[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.14"]
[Round "1.1"]
[White "Williams, A. Howard"]
[Black "Haigh, Tony"]
[Result "1-0"]
[ECO "A92"]
[WhiteElo "2246"]
[BlackElo "1773"]
[Annotator "kemen"]
[PlyCount "62"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,17,19,12,39,-11,48,35,35,41,44,44,44,44,58,57,51,52,49,24]} 1. Nf3 e6
2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. d4 Ne4 (6... d6) (6... d5 {main
lines}) 7. Nc3 (7. Nbd2) (7. Qc2) (7. b3) 7... d5 (7... Bf6) (7... Nxc3) 8. Ne5
c6 9. Qb3 (9. f3 {main}) 9... Nd7 10. cxd5 {4 Wh wins, 1 draw} (10. Nxd7 Qxd7
11. cxd5 cxd5 12. Bf4 {1 Wh win, 3 draws}) 10... Nxc3 (10... cxd5 $11 {
Stockfish11- not yet played}) 11. bxc3 (11. Qxc3 Nxe5 12. d6 Nf3+ 13. Bxf3 Bxd6
14. b3 (14. e4 $14) 14... Qf6 15. Bb2 $11 {Mitter-Neubauer, Feffernitz Raika
op 2011,1-0}) 11... Nxe5 12. dxe5 exd5 13. c4 $14 dxc4 14. Qxc4+ Kh8 15. Bf4
Qe8 16. Rfd1 Bd8 (16... Qf7) 17. a4 Be6 18. Qc3 Rf7 (18... a5) 19. a5 $16 Rc8 (
19... a6) 20. Rd6 (20. a6 bxa6 21. Bxc6 Qg8 22. Rxa6 $16 {Stockfish11}) 20...
c5 (20... Bc7) 21. Rad1 $18 b6 22. Bc6 Qe7 23. Bg5 (23. Qd3) (23. Qf3) 23...
Qxg5 24. Rxe6 Rf8 25. f4 Qh5 26. Bf3 (26. Qc4) 26... Qf7 27. Red6 (27. Bd5)
27... Qe8 28. e4 (28. Rd7) (28. Kg2) 28... fxe4 29. Bxe4 Qa4 30. Bc2 Qxa5 31.
Qd3 c4 (31... g6 32. Rd7 Rg8 33. Rxh7+ Kxh7 34. Qd7+ Kh8 35. Qxc8 Be7 36. Qh3+
Kg7 37. Bxg6 {mating- Stockfish11}) 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.14"]
[Round "1.2"]
[White "Knight, Colin B"]
[Black "Zeidler, Sven P."]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "1759"]
[BlackElo "2186"]
[Annotator "kemen"]
[PlyCount "92"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

1. d4 f5 2. Nf3 Nf6 3. h4 {anticipating a g6} e6 4. Nc3 (4. Bg5) (4. h5) 4...
d5 5. Bf4 Bd6 (5... Bb4) (5... c5) (5... a6) 6. e3 O-O (6... Nbd7 7. g3 a6 8.
h5 O-O 9. h6 g6 10. Bxd6 cxd6 11. Bg2 b5 12. Ne2 Nb6 13. Nd2 Bd7 14. c3 Qc7 15.
Kf1 Rf7 {Luchsinger-Campanile, Bratto op 1999,0-1}) 7. Be2 Ne4 8. Nxe4 fxe4 9.
Ne5 Nc6 (9... c5 {Stockfish11}) 10. Qd2 (10. h5 {Stockfish11}) 10... Qf6 11.
Ng4 Qf5 12. Bxd6 cxd6 13. f3 Bd7 14. Nf2 (14. O-O-O $16 {Stockfish11}) 14...
Rac8 15. f4 (15. O-O-O) 15... Qf7 16. g4 (16. c4) 16... Rfe8 (16... e5 $15 {
Stockfish11}) 17. c3 (17. O-O-O $16 {Stockfish11}) 17... Na5 18. b3 b6 19. O-O
$14 (19. h5 $16 {Stockfish11}) 19... Rc7 20. Rac1 Rec8 21. g5 (21. Kh2) (21.
Nh1) 21... Qe8 22. h5 Kh8 23. h6 (23. Nh1 Nc6 24. Ng3 Qd8 25. Kg2 a5 26. a4 Ne7
$11) 23... gxh6 $17 {Stockfish11} 24. Ng4 (24. gxh6 Qg6+ (24... e5 25. Ng4 Bxg4
26. Bxg4 Qg6 27. Qg2 Rg8 $19) 25. Ng4 e5 $19) 24... hxg5 25. Ba6 Rd8 (25...
gxf4 $19 {Stockfish11}) 26. fxg5 (26. Qh2 $11 {Stockfish11} gxf4 27. Qh4 Bc8
28. Bxc8 Rdxc8 29. Rxf4 Rg7 30. Kh1 Nc6 31. Nh6 Ne7 32. Rg1 Ng6 33. Qf6 Rcc7
34. Rxg6 Qxg6 (34... hxg6 35. Rh4 g5 36. Nf7+ Kg8 37. Rh8#) 35. Qd8+ Rg8 36.
Nxg8 Qh5+ 37. Rh4 Qf3+ 38. Kh2 Qe2+ 39. Kh1 Qe1+ $11) 26... Qh5 $19 27. Nf6
Qxg5+ 28. Qg2 (28. Kh1 Bc8 $19) 28... Qxe3+ 29. Kh2 Qh6+ 30. Kg1 Qg6 (30... e5
$1 $19 {Stockfish11}) 31. Be2 Qxg2+ (31... Be8) 32. Kxg2 Bc8 33. Rh1 Rg7+ 34.
Kh2 Rf8 35. Rcf1 Rgf7 36. Nh5 e5 37. Ng3 Rxf1 38. Rxf1 Rxf1 39. Nxf1 exd4 40.
cxd4 Nc6 41. Ne3 Nxd4 42. Bg4 Bxg4 43. Nxg4 Kg7 44. Kg3 Kg6 (44... h5 45. Ne3
Kf6 {Stockfish11}) 45. Kf4 h5 46. Ne3 Ne2# 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.14"]
[Round "1.3"]
[White "Jones, Iolo C"]
[Black "Dixon, Chris"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2163"]
[BlackElo "1754"]
[Annotator "kemen"]
[PlyCount "115"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,14,16,20,24,16,49,35,28,21,79,40,46,35,24,23,52]} 1. d4 Nf6 2. Nf3 g6
3. Bg5 Bg7 4. Nbd2 d6 5. c3 O-O 6. e4 h6 7. Be3 (7. Bh4 {main}) 7... c6 (7...
Nbd7) (7... Nc6) 8. h3 Qc7 (8... Nbd7 {1 result each possibilty}) 9. Qc2 a6 10.
a4 a5 11. Bd3 Re8 (11... c5) (11... e5) 12. O-O Nbd7 13. Rfd1 e5 14. dxe5 dxe5
15. Nc4 Nh5 (15... b6 16. b4 Bf8 (16... Ba6 17. Bf1 Bf8 18. Rab1 Reb8 19. bxa5
bxa5 20. Rxb8 Qxb8 21. Rb1 Qc8 22. Nfd2 $14 {Stockfish11}) 17. Qd2 Ba6 18. Bxh6
Nxe4 19. Bxe4 Bxc4 20. Qxd7 Qxd7 21. Rxd7 Bxh6 22. Bxc6 $16 {Stockfish11}) 16.
Bf1 (16. Qd2 Nf4 17. Bf1 Kh7 18. Qd6 Qxd6 19. Nxd6 Re7 20. g3 Nh5 21. Nd2 $18 {
Stockfish11}) 16... Re7 17. Qd2 (17. b4) 17... Kh7 18. Qd6 Qxd6 19. Nxd6 $18
Nf8 20. Bc5 (20. Nxc8 Rxc8 21. Nd2) (20. Nd2) 20... Be6 21. Nc4 Ree8 22. Bb6 (
22. Nfxe5 Bxe5 23. Nxe5 Bb3 24. Nd7 Bxd1 25. Nxf8+ Rxf8 26. Bxf8 Bb3 27. Bd6
$16 {Stockfish11- Wh does have 2 Bs & an extra pawn}) 22... Nd7 23. Bc7 Nc5 (
23... Ra7 24. Nb6 Nc5 25. Nxe5 Na6 26. Bd6 Bxe5 27. Bxe5 Bb3 28. Nd7 Bxd1 29.
Rxd1 Nc5 30. Bd4 b6 31. Nxc5 bxc5 32. Bxc5 Rb7 33. b4 $16 {Stockfish11}) 24.
Nd6 Re7 25. Bb6 Nb3 26. Rab1 f5 (26... Nf4 27. Kh2 $16) (26... Kg8 27. Kh2 $16)
27. exf5 gxf5 28. Bc4 (28. Nh4 $18 {Stockfish11} Rf8 29. Bd3 e4 30. Bc2 Be5 31.
g4 $18 (31. Ndxf5 Bxf5 32. Nxf5 Rxf5 33. g4 $18 (33. Bxe4 Bh2+ $11) (33. Bxb3
$18))) 28... Bxc4 29. Nxc4 Nf4 30. Nfd2 (30. Nh4 Rf8 31. Nd6 Nd5 32. Nhxf5 Rd7
33. Be3 $16 {Stockfish11}) 30... Nxd2 31. Rxd2 Nd5 (31... e4 $14 {Stockfish11})
32. Bc5 Re6 33. Nb6 (33. Rbd1 $16) 33... Nxb6 34. Bxb6 Re7 (34... Ra6 35. Bc7
e4 36. Rd7 b5 37. b3 Kg6 38. c4 Ra7 39. Rbd1 bxa4 40. bxa4 Bf8 41. Bf4 Rxd7 42.
Rxd7 Bc5 43. Rc7 h5 $14 {Stockfish11}) 35. Rbd1 $18 Ra6 36. Bc5 Rf7 37. Rd7
Rxd7 38. Rxd7 Ra8 39. Rxb7 Rd8 40. Kf1 Kg6 41. Rc7 f4 (41... Rd1+ 42. Ke2 Ra1
43. Rxc6+ Kf7 44. Rc7+ Kg6 45. Ra7 Rxa4 46. b4 $18 {Stockfish11}) 42. Rxc6+ Kf5
43. Rc7 Bf6 44. Rf7 Kg6 45. Rb7 Rd1+ 46. Ke2 Rg1 47. Rb8 Kf5 48. Rf8 Ke6 49.
Kf3 Re1 50. g3 (50. Kg4 {Stockfish11} Rg1 51. Re8+ Kd5 52. Rc8 Rxg2+ 53. Kf5
Bh4 54. c4+ Kxc4 55. Be7+ Kb3 56. Rb8+ Kc2 (56... Kxa4 57. b3#) 57. Bxh4 $18)
50... fxg3 51. Kxg3 (51. fxg3) 51... Rb1 52. Rb8 (52. b4) 52... Ra1 53. Ba3 e4
54. Rb6+ Kf5 55. Rb5+ Be5+ 56. Kg2 Rd1 57. Bc5 Rd2 58. Bd4 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.14"]
[Round "1.4"]
[White "Barnaby, Nicholas M S"]
[Black "Powell, Lloyd"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "1750"]
[BlackElo "2064"]
[Annotator "kemen"]
[PlyCount "88"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,88,19,31,43,-8,37,30,24,25,13,26,42,12,49,42,50,49,49,50,50,41,43,41,
32,34,30,41,41,46,42,29,19,10,10,5,5,-2,14,14,32,9,16,7,28,28,34,45,64,85,92,
92,94,95,179,169,188,193,192,181,173,173,176,132,165,121,118,96,95,72,79,58,64,
45,36,45,113,11,0,13,13,0,0,1,1,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4.
Nf3 Nf6 5. Nc3 Nc6 6. Bf4 e6 (6... Bf5) (6... a6) 7. e3 Be7 8. h3 O-O 9. Bd3 a6
(9... Bd7) 10. O-O b5 11. Rc1 Bb7 12. a4 (12. Ne5) (12. Qe2) 12... b4 13. Nb1
Rc8 14. Nbd2 {6 Wh wins, 3 draws, 1 Bl win} Qb6 (14... Na5) 15. Nb3 (15. Qe2)
15... Na5 (15... Ne4 16. Nc5 Bxc5 17. dxc5 Qa5 18. Bxe4 dxe4 19. Ng5 Nb8 20.
Qc2 Nd7 21. Bd6 Rfd8 22. Rfd1 h6 23. Nxe4 Bxe4 24. Qxe4 Nxc5 25. Bxc5 Rxd1+ {
Vul-Sikora, Tatry op, Tatranske Zruby 2012, draw agreed}) 16. Rxc8 Rxc8 17.
Nxa5 Qxa5 18. Ne5 $11 {Engines have been here as long ago as 2014.} Qb6 19. Qb1
(19. Qe2) 19... h6 20. Rc1 Rxc1+ 21. Qxc1 {Wh had 43 mins left -to Bls 24.} b3
{(draw?)} 22. Qc3 $16 Bd6 23. f3 Qb4 (23... Ne8) 24. Qxb4 Bxb4 25. Be2 $18 g5
26. Bh2 a5 27. Bb5 $18 (27. Bd1 $18) 27... Kf8 28. Nd3 Be7 29. Bc7 Ne8 30. Bxa5
Nd6 31. Bb4 $18 (31. Nc5 $18 {Stockfish11}) 31... Nc4 32. Bxe7+ (32. Bc3 Nxe3
33. a5 $18 {Stockfish11}) 32... Kxe7 33. Nc5 (33. e4 f6 34. e5 $18 {Stockfish11
}) 33... Nxb2 34. Nxb3 $16 Nd1 35. Nc5 Ba8 36. e4 dxe4 37. fxe4 Nc3 (37... Kd6
38. Be2 Nc3 39. Bf3 e5 40. Nd3 f6 (40... Bxe4 41. Bxe4 Nxe4 42. Nxe5 $18) 41.
a5 $18 {Stockfish11}) 38. Bd3 (38. e5 $18 {keeps the Bl K out}) 38... Kd6 $11
39. Kf2 e5 40. Ke3 Nd1+ 41. Kd2 exd4 42. Nb3 (42. Kxd1 Kxc5 43. a5 Kb4 44. a6
Kc3 $11) 42... Nc3 43. Nxd4 Nxe4+ (43... Nxa4 44. Nf5+ Ke5 45. Nxh6 Kf4 46.
Nxf7 Nc5 47. g3+ Kxg3 48. Nxg5 Kh4 49. Nf3+ Kxh3 $11 {Stockfish11}) 44. Ke3 (
44. Bxe4 Bxe4 45. g3 Kc5 46. Ke3 Bg2 47. h4 Bh3 $11 {Stockfish11}) 44... Nc5
$11 {(draw?)} 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.14"]
[Round "1.5"]
[White "Young, Alan"]
[Black "Jones, Martin C"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2051"]
[BlackElo "1745"]
[Annotator "kemen"]
[PlyCount "69"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,16,61,32,69,46,63,29,22,9,66,75,75,52,63,57,72,70,56]} 1. e4 c5 2. Nf3
e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 (6. Bd3) (6. Be2) 6... Nc6 7. Bg2 Bc5
(7... Nf6) (7... d6) 8. Nb3 Be7 (8... Ba7 9. Qg4 (9. O-O)) 9. O-O Nf6 10. Be3 (
10. a4) 10... d6 (10... b5) 11. a4 b6 12. f4 Bb7 13. Kh1 Rd8 $146 14. Qe2 O-O
15. Rad1 Nb4 16. Bg1 Nd7 (16... Rfe8) 17. Rd2 Nc5 18. Nd4 Qd7 (18... d5 $11 {
Stockfish11- it's usually good for Bl in the Sicilian if this move can be made
without immediate penalty}) 19. b3 {weakens c3} (19. Rfd1) (19. f5) 19... Rc8
20. e5 $6 (20. Nd1) 20... Bxg2+ 21. Qxg2 d5 (21... dxe5 22. Nf3 Qc7 23. Nxe5
Nxb3 24. cxb3 Qxc3 25. Nd7 Rfe8 26. Nxb6 Rcd8 27. Rxd8 Rxd8 28. Qf3 Rd3 29.
Qa8+ Rd8 30. Qf3 Nd3 $15 {Stockfish11}) (21... Nxb3 22. cxb3 Rxc3 23. f5 Re8
$11 (23... Nd5 $11 {Stockfish11})) 22. f5 Nxb3 (22... Rfe8 $11) 23. cxb3 Rxc3
24. f6 $16 Bc5 25. Qh3 Nd3 (25... Rb8 26. fxg7 Nd3 27. b4 Bxd4 (27... Bxb4 28.
Rf6 $18) 28. Bxd4 Rb3 29. Qh6 Qc7 30. b5 axb5 31. axb5 Ra8 $14) 26. fxg7 $6 {
gums up the position for Wh's pieces} (26. Qg4 $1 g6 27. Qf3 {picks up a piece
& leaves Bl facing Qh6 threats} Bxd4 28. Bxd4 Rxb3 29. Rxd3 Rxd3 30. Qxd3 Qxa4
31. Qe3 $18 {Stockfish11}) (26. Rf3 Nxe5 27. Rxc3 Bb4 28. Re2 Bxc3 29. Rxe5
Bxd4 30. Bxd4 $18 {Stockfish11}) 26... Rc8 $11 27. Nf3 Qe7 (27... Be7 28. Qh5
Qe8 29. Bxb6 Rxb3 $11 {Stockfish11}) 28. Qh5 $18 (28. Qh6 $18 {Stockfish11-
even stronger}) 28... f5 29. exf6 Qxf6 30. Ng5 Qg6 (30... Qxg7 31. Nxe6 $18)
31. Qxg6 hxg6 32. Nxe6 Rc1 (32... Be7 33. Kg2 $18 {Stockfish11}) (32... Re8 33.
Bxc5 Rxe6 34. Bd4 Rc1 35. Rxc1 Nxc1 36. Rc2 Re1+ 37. Kg2 Re2+ 38. Rxe2 Nxe2 39.
Bxb6 Kxg7 40. Kf3 $18 {Stockfish11}) 33. Rxc1 Nxc1 34. Bxc5 bxc5 35. Rf2 {
mating soon with a new Q} 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.14"]
[Round "1.6"]
[White "Greatorex, Roger"]
[Black "Waddington, Mike P"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1735"]
[BlackElo "2046"]
[Annotator "kemen"]
[PlyCount "46"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,13,23,23,27,-16,21,16,16,-26,-26,-75,-61,-71,-69,-84]} 1. d4 d5 2. c4
c6 3. Nc3 Nf6 4. Bg5 (4. Nf3) (4. e3) 4... dxc4 (4... e6) 5. Bxf6 (5. a4) 5...
exf6 6. e4 (6. e3) 6... b5 7. a3 {1 Wh win, 11 Bl wins} Bd6 8. Nf3 O-O 9. Be2
Nd7 (9... Bb7 {0-2}) 10. d5 Ne5 (10... a6 11. dxc6 Nc5 $17 {Stockfish11}) 11.
dxc6 a6 12. Nd4 (12. Nxe5 Bxe5 (12... fxe5) 13. Qxd8 Rxd8 14. a4 Be6 15. axb5
axb5 16. Rxa8 Rxa8 17. Kd2 $15 {Stockfish11}) 12... Bc5 $19 13. Nd5 (13. Nf3
Nxc6 {a bit better for Wh}) 13... Bxd4 (13... f5 $19 {Stockfish11}) 14. Qxd4
Nxc6 15. Qc5 Qa5+ 16. Kf1 (16. Nc3) 16... Bb7 17. Rd1 Rad8 $19 18. f3 Ne5 19.
Ne7+ Kh8 20. Kf2 Rd2 21. Kg3 Re8 22. Qa7 Qc7 23. Nd5 (23. Rxd2 Nc6+) 23... Rxd5
0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.14"]
[Round "1.7"]
[White "Garcia, Jason"]
[Black "Van Kemenade, Julie"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "2029"]
[BlackElo "1689"]
[Annotator "kemen"]
[PlyCount "51"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

1. Nf3 d6 2. g3 g6 3. c4 Bg7 4. Bg2 e5 5. d3 Nd7 (5... f5) (5... Nc6) 6. Nc3 c6
7. O-O Ne7 8. Rb1 O-O (8... a5 $5) 9. b4 f5 10. Qb3 $146 {Stockfish11} (10. Bd2
{main}) 10... Kh8 11. a4 Nf6 (11... a5 12. b5 Nc5 13. Qa3 Ne6 $14 {Stockfish11}
) 12. c5 Nh5 (12... Ned5 13. Bb2 Nxc3 14. Qxc3 e4 15. dxe4 fxe4 16. Nd4 d5 $14
{Stockfish11}) 13. cxd6 Qxd6 14. Nd2 (14. b5 c5 15. Nd2 Be6 16. Nc4 Bxc4 17.
Qxc4 Rab8 18. a5 b6 19. axb6 axb6 20. Ra1 $16 {Stockfish11}) 14... Be6 15. Qc2
Nd5 $11 16. b5 Nxc3 (16... e4 17. Nxd5 cxd5 18. Bb2 Rac8 19. Bxg7+ Kxg7 20.
Qb2+ Nf6 21. Rfd1 Qe7 22. a5 $14 {Stockfish11}) 17. Qxc3 Bd5 $2 (17... e4 {
needs to be played} 18. Qa3 Qxa3 19. Bxa3 Rfd8 20. bxc6 bxc6 21. Be7 Rd4 (21...
Rd7 22. Bg5 h6 23. Be3 Rad8 24. dxe4 Rxd2 25. Bxd2 Rxd2 26. Rfd1 Rxd1+ 27. Rxd1
fxe4 28. Rd8+ Kh7 29. Bxe4 $16) 22. Bg5 (22. Nb3 Bxb3 23. Rxb3 Rxa4 24. Rfb1
Be5 25. dxe4 fxe4 26. Rc1 a5 27. Rxc6 Ra1+ 28. Bf1 a4 29. Rb5 Bg7 30. Ra5 Re8
31. Bc5 $16)) 18. Ba3 $18 Qe6 19. Bxf8 Rxf8 20. Bxd5 cxd5 21. Qc7 Rf7 22. Qb8+
Bf8 23. Rbc1 Kg7 (23... e4 $5) 24. Rc7 f4 25. Rxf7+ Qxf7 (25... Kxf7 26. Qxb7+)
26. Qxe5+ (26. Rc1) 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.14"]
[Round "1.8"]
[White "Pinch, David"]
[Black "Pleasants, Allan J"]
[Result "1/2-1/2"]
[ECO "E91"]
[WhiteElo "1667"]
[BlackElo "2028"]
[Annotator "kemen"]
[PlyCount "59"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,59,16,28,67,43,66,44,44,27,39,34,30,27,81,31,63,31,61,31,84,27,-5,10,
25,-5,0,-4,-4,-13,-13,-9,-14,-23,-12,-16,-21,-39,6,-26,44,5,44,17,51,56,49,23,
39,-3,2,18,69,37,40,18,45,47,96,86,49,48]} 1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4
Nf6 5. Be3 (5. Nf3) (5. f3) 5... O-O (5... Ng4 $5 {scores well for Bl}) 6. Nf3
Na6 (6... e5) (6... Ng4 {gives Bl a plus score}) 7. Be2 c5 (7... e5 {main}) 8.
O-O (8. d5 {alternative}) 8... cxd4 (8... Ng4 {also}) 9. Bxd4 $146 (9. Nxd4 Nc5
10. f3 {main, 70% for Wh}) 9... Nc7 (9... Nc5) 10. Qc2 (10. e5) 10... Ne6 11.
Be3 b6 (11... Ng4 12. Bd2 Ne5 $11 {Stockfish11}) 12. Rfd1 (12. Rad1 Ng4 13. Bc1
) 12... Ng4 13. Bc1 Bb7 14. h3 Ne5 15. Nxe5 Bxe5 16. Be3 (16. Bh6) 16... Rc8 (
16... f5 17. exf5 gxf5 18. Nd5 $11 {Stockfish11}) 17. Rac1 Nf4 18. Nd5 Nxd5 19.
exd5 Qd7 20. Qd2 (20. a4 $14 {Wh keeps a space advantage}) 20... Rc7 21. Rc2 (
21. Bg4 f5 22. Bf3) 21... Qa4 22. b3 Qa3 23. Rdc1 Bg7 24. Bd4 (24. h4 $16 {
Stockfish11starting an attack , as Bl's K side is a little sparse on defenders}
) 24... Bxd4 25. Qxd4 Qc5 26. Qxc5 (26. Qb2 $16 {the Wh Q has K side
opportunities}) 26... bxc5 27. Rc3 a5 28. Re3 f5 29. f4 Ra8 30. a4 $11 {
Bl has little play, though solid enough to hold.} 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.14"]
[Round "1.9"]
[White "May, Frank"]
[Black "Francis, Matthew"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2019"]
[BlackElo "1642"]
[Annotator "kemen"]
[PlyCount "120"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,17,20,20,76,76,73,75,90,102,84,84,72,62,54,50,43,28,76,51]} 1. d4 d6
2. e4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bc4 Be6 7. Bxe6 fxe6 8. Nf3 (
8. f3) (8. Be3 {main lines}) 8... Bd6 9. Bg5 (9. Be3) (9. O-O Ke7 10. Be3 Nbd7
11. Rfd1 a6 12. a3 b5 {J Brewer-Francis, Dyfed League 2020,1/2-1/2}) 9... Ke7
10. O-O-O Nc6 11. Rhe1 a6 12. Nd2 (12. h3) 12... Kf7 (12... b5 {0-2}) (12... h6
13. Bh4 g5 14. Bg3 Nh5 {Granovski-Deviatkin, Tula op 2000,0-1}) (12... Bb4 13.
a3 Bc5 (13... Bxc3 14. bxc3 h6) 14. f4 Kf7 15. Nf3 Rae8 16. fxe5 Ng4 17. Rd7+
Kg6 18. Rxc7 Rb8 {Slepankova-Snasel, Brno Duras open 2013,1-0}) 13. Nc4 Rad8
14. f3 b5 15. Nd2 Nd4 16. Ne2 c5 17. c3 Nc6 18. Be3 Be7 (18... Nh5 $14 {
Stockfish11}) 19. Kc2 Nd7 (19... c4) 20. Rf1 Rhf8 21. g3 Kg8 22. f4 c4 $11 23.
f5 (23. Nf3) 23... exf5 24. exf5 Nc5 (24... Nf6 $15) 25. Bxc5 Bxc5 26. g4 (26.
Ne4) 26... Be7 27. Ne4 Rxd1 28. Rxd1 Rd8 29. Rxd8+ Nxd8 30. Ng1 $16 {Wh has
mobilizeable K side pawns, while Bl's e5 pawn gets in the way of Bl's activity}
Nc6 31. Nf3 h6 32. b3 (32. Kd2) 32... cxb3+ 33. axb3 Kf7 (33... a5 {prepares
for an outside passed pawn should Wh over-extend on the K side}) 34. b4 Bf8 {
(draw?)} 35. Kd3 $16 Be7 36. Nf2 (36. Ng3 {Wh is close to winning}) 36... Bd6
37. Ke4 Ke7 (37... Bc7 38. g5 (38. h4)) 38. Nd3 $18 (38. Kd5 $18 Kd7 39. h4 (
39. Ne4 $2 Ne7#) 39... Ne7+ 40. Ke4 Ke8 41. Nd3 $18 {Stockfish11}) 38... Bc7 (
38... a5) 39. Ndxe5 (39. Kd5 Nd8 40. Ndxe5 $18) (39. h3 {moves the pawn out of
reach of the B as a precaution}) (39. h4 {looks good on principle too, though
there are some tactics to be considered} a5 40. Kd5 a4 41. Nd2 e4 42. Nxe4 a3
43. Nc1 Bf4 44. Na2 Ne5 45. g5 (45. Nd6 Nxg4 46. Nxb5 h5 47. Nxa3 Bg3 $11 {
Stockfish11}) 45... Nd3 46. f6+ gxf6 47. gxf6+ Kf7 48. Nd6+ Kxf6 49. Nxb5 Nc1
50. Nxc1 Bxc1 51. Nxa3 Bxa3 {and Bl can't win because his B is the wrong
colour; but the Wh pawns are far enough advanced for Wh to have any chances
either}) 39... Nxe5 40. Nxe5 Kf6 41. Nf3 a5 $11 42. bxa5 Bxa5 43. Kd3 h5 44.
gxh5 (44. h3 hxg4 45. hxg4 g6 46. fxg6 Kxg6 47. Nd4 Bxc3 48. Kxc3 Kg5 49. Nxb5
Kxg4 $11) 44... Kxf5 45. Nd4+ Kg5 46. Nxb5 Kxh5 $11 47. Ke2 Kh4 48. Kf1 Kh3 49.
Kg1 Bb6+ 50. Kh1 g5 51. Nd4 g4 52. Ne2 Ba7 (52... Bc7 53. c4 Bd6) 53. Nf4+ Kh4
54. Kg2 Kg5 55. Nd3 Kh4 56. c4 Bb8 57. c5 Kg5 58. c6 Kf5 59. Nc5 Bf4 60. Nd3
Bc7 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.14"]
[Round "1.10"]
[White "Morgans, Justin"]
[Black "Hewitt, William"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1605"]
[BlackElo "1990"]
[Annotator "kemen"]
[PlyCount "122"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,20,20,19,28,20,38,20,11,6,6,5,34,8,8,4,34,25,25,25,51,22,16]} 1. d4
Nf6 2. Nf3 g6 3. e3 (3. c4) (3. g3) (3. Bf4) 3... Bg7 4. Be2 (4. Bd3) 4... O-O
5. O-O d6 6. c4 Nbd7 7. Nc3 e5 8. dxe5 (8. Qc2) (8. b4) 8... dxe5 9. e4 {
only 20% for Wh, who has spent 2 moves getting a pawn to e4} Re8 (9... c6 {main
}) 10. Bg5 h6 (10... c6) 11. Bxf6 $146 Qxf6 $15 12. Qc2 (12. Nd5 Qd8 13. b4 c6
14. Ne3 b6 $15) 12... c6 13. Rad1 Nc5 14. h3 Ne6 15. Rd6 Bf8 (15... Nd4 {
Stockfish11} 16. Rxf6 Nxc2 17. Rd6 Nd4 18. Rd1 Bf8 $19 (18... Be6 $19)) 16.
Rfd1 (16. Rdd1 h5 $17 {Stockfish11}) 16... Bxd6 17. Rxd6 Qe7 $19 {Bl is now an
exchange up, but in what follows it proves difficult to find an entry for the
slightly heavier forces.} 18. Rd1 Nf4 19. Kh2 Kg7 20. Bf1 Qf6 21. Ng1 Be6 22.
g3 Nh5 23. b3 Rad8 24. Qe2 Rxd1 25. Nxd1 b6 (25... Qd8) 26. Ne3 Kh7 27. Nf3 Ng7
28. Bg2 Bc8 29. Qb2 Qd6 30. h4 f6 31. Bh3 Bxh3 32. Kxh3 Qd3 33. Qc2 (33. Nd2 {
looks just too passive} Rd8 34. Nef1 Ne6) 33... Qxc2 34. Nxc2 a5 (34... Ne6 35.
Nb4 Rc8 {puts the R into a defensive position}) 35. Ne3 f5 (35... Ne6 36. Ne1
Nc5 37. f3 Rd8 38. N1c2 Rd3 $19 {Stockfish11}) 36. exf5 gxf5 37. Kg2 (37. c5 $5
b5) 37... Kg6 38. Kf1 Kf6 39. Ke2 Ne6 40. Kf1 e4 (40... Rd8) (40... h5) 41. Ne1
Rd8 42. N1c2 Nd4 43. Nxd4 Rxd4 44. Ke2 b5 {Bl needs to create a bit more space
for the R} (44... Rd3) 45. cxb5 cxb5 46. Nc2 Rd5 47. Ne3 Rc5 48. Kd2 a4 (48...
Ke5) 49. b4 Rc6 50. Nd5+ Ke5 51. Nc3 Kd4 (51... Rd6+ 52. Kc2 Rd3 53. Nxb5 Rf3
$19 {Stockfish11}) 52. Nxb5+ Kc4 53. Na3+ Kxb4 54. Nc2+ Kc5 55. Ne3 Rf6 (55...
Rd6+ {Stockfish11} 56. Kc2 a3 57. Kc3 Rb6 58. Nc4 Rb1 59. Nxa3 Rd1 $19 (59...
Rf1 $19)) 56. g4 fxg4 57. Nxg4 Rf4 58. Nxh6 Rxh4 (58... Rxf2+ 59. Ke3 Rxa2 {
the a pawn is the most dangerous one for Wh}) 59. Nf5 (59. Ng8 Rf4 60. Ke2 Rf3
$19 61. Nh6 Ra3) 59... Rf4 60. Ng3 Rxf2+ 61. Ke3 (61. Ke1 Rxa2) (61. Ne2 Rxe2+
62. Kxe2 Kb4) 61... Rf3+ 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.14"]
[Round "1.11"]
[White "Miles, Richard"]
[Black "Ley, Cyril"]
[Result "1/2-1/2"]
[ECO "A41"]
[WhiteElo "1968"]
[BlackElo "1603"]
[Annotator "kemen"]
[PlyCount "98"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,10,20,19,47,31,44,33,38,48,68,31,66]} 1. d4 g6 2. c4 Bg7 3. Nc3 d6 4.
Nf3 a6 (4... Nf6) (4... Nd7) (4... Bg4) 5. g3 (5. e4) 5... Nc6 6. Bg2 Rb8 (6...
Bg4) (6... Nf6) 7. O-O Bg4 8. e3 (8. d5 Bxf3 9. exf3 Ne5 10. Qe2 c5 11. f4 Nd7
12. Re1 Bxc3 13. bxc3 Kf8 {Hahn-Heisterkamp, NRW Verbandsliga 2013,0-1}) 8...
Nf6 (8... Qd7 9. Qa4 Nf6 10. b4 O-O 11. b5 axb5 12. cxb5 Nd8 13. Re1 c5 {
Sassi-Rantanen, Jyvanskyla We JyS 1998,0-1}) 9. h3 Bd7 10. Qe2 (10. e4 $16 {
Stockfish11}) 10... O-O 11. b3 (11. d5) 11... Na7 12. Bb2 (12. e4 {Stockfish11}
) 12... b5 13. cxb5 axb5 14. b4 Be6 (14... Nc8 15. e4 Nb6 $11 {Stockfish11}) (
14... c6 15. e4 Nc8 16. Rfc1 Nb6 $11 {Stockfish11}) 15. Nd2 Qd7 16. Kh2 Rfc8 (
16... Nc8) 17. e4 Qd8 (17... c6) 18. d5 (18. f4 $18 {Stockfish11}) 18... Bd7
19. Rfc1 c5 (19... e5) 20. a3 (20. bxc5 Rxc5 21. f4 b4 22. Nd1 Rxc1 23. Rxc1
Nb5 24. e5 $14 {Stockfish11}) 20... Rc7 (20... e5 $11) 21. Nd1 (21. f4 $16)
21... Rbc8 22. bxc5 (22. e5 dxe5 23. Bxe5 $18 {Stockfish11}) (22. f4 Be8 23.
Qe3 $18 {Stockfish11}) 22... Rxc5 23. Rxc5 Rxc5 24. Nb3 Rc7 25. Ne3 Qb8 {
(draw?)} 26. Qd2 (26. e5 Ne8 27. f4 $18 {Stockfish11}) 26... Nc8 27. Rc1 (27.
Na5) 27... Rxc1 28. Nxc1 Nb6 29. Qb4 Qc7 30. Nd3 Nc4 31. Bc1 Nxe3 (31... h5 $15
) 32. Bxe3 Qc4 33. Qxc4 bxc4 34. Nb4 Ne8 (34... Ba4) 35. Bf1 Bb2 36. Bxc4 Bxa3
{(draw?)} 37. Nc2 (37. Nc6) 37... Bb2 38. Bd4 Bxd4 39. Nxd4 Nf6 40. f3 Ba4 $11
41. Kg2 Kf8 42. Kf2 h6 43. Ke3 Nd7 44. Bb5 Bxb5 45. Nxb5 Ke8 46. f4 Nc5 47. Kd4
Nb3+ 48. Kc3 Nc5 49. Kd4 Nb3+ 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.14"]
[Round "1.12"]
[White "Orton, Paul"]
[Black "Taylor, Robert Graham"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1580"]
[BlackElo "1844"]
[Annotator "kemen"]
[PlyCount "142"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,22,30,28,27,27,38,34,51,16,31,26,28,15,37,15,15,15,15,12,25,-14,-14,
-28,-24]} 1. d4 Nf6 2. Bf4 d6 3. e3 g6 4. Nd2 Bg7 5. Ngf3 O-O 6. Bd3 Nbd7 7. h3
c5 (7... Re8) (7... Qe8) 8. c3 b6 9. O-O Bb7 10. e4 (10. Qe2) 10... cxd4 11.
cxd4 e5 12. Bh2 Re8 (12... Qe7) 13. dxe5 dxe5 14. Re1 Re7 (14... Nc5 15. Bb5
Nfd7 16. b4 a6 17. Bc4 Ne6 18. Rc1 Bh6 19. Qb3 a5 20. a3 axb4 21. axb4 b5 22.
Bxb5 Bxd2 23. Nxd2 Nd4 24. Qd3 Re6 25. Bxd7 Qxd7 26. Nc4 f6 27. f4 Ba6 28. Qe3
Rc8 29. Na5 Rxc1 30. Rxc1 Ne2+ {Duarte Gomez-Perez, Dominican ch 2019,0-1}) 15.
Rc1 (15. b4) 15... Nc5 16. Bb1 (16. Bf1) 16... Nfd7 (16... Bh6 $17) 17. Nc4 (
17. b4 Ne6 18. Nc4 f6 19. a4 (19. Nd6 Ndf8 20. Nxb7 Rxb7 21. Qb3 Rc8 22. Bd3
Rbc7 23. Rxc7 Rxc7 (23... Qxc7 24. Ba6) 24. Bc4 Qc8 25. Bd5 $11) 19... Bh6 20.
Rc3 a5 21. Nd6 axb4 22. Nxb7 Qb8 23. Rc4 Qxb7 24. Rxb4 Qc7 25. Ba2 Kg7 $11 {
Stockfish11}) 17... Ba6 18. b4 Bxc4 19. Rxc4 Ne6 20. Qc1 (20. a3 $16) (20. Rc6
Rc8 21. Rd6 $16) 20... Re8 21. Rd1 Qe7 22. a3 a5 23. Qd2 (23. Bg3) 23... Red8
24. Qc3 axb4 25. axb4 (25. Rxb4) 25... Nd4 (25... b5 26. Rc6 Ndc5 27. Qe1 Na4 (
27... Nb3) 28. Bxe5 Bxe5 29. Nxe5 Rxd1 30. Qxd1 Rd8 31. Qg4 Qf6 (31... Qxb4 32.
Nxf7 $18 {Stockfish11}) 32. f4 h5 33. Qf3 Kg7 34. Bd3 Nd4 35. Rxf6 Nxf3+ 36.
gxf3 Kxf6 37. Bxb5 Rd1+ 38. Kf2 Nb6 $11 {Stockfish11}) 26. Nxd4 exd4 27. Qc2 b5
(27... Ne5 28. Bxe5 Bxe5 29. Qd2 Qh4 30. Rf1 $11 {Stockfish11}) 28. Rc6 (28.
Rc7 Qxb4 29. Ba2 Ra3 30. Rb1 d3 31. Rxb4 dxc2 32. Rxc2 $11 {Stockfish11}) 28...
Qxb4 29. Bd6 Qa4 30. Qd3 (30. f4 Bf8 31. e5 Qxc2 32. Bxc2 Rac8 33. Be4 Rxc6 34.
Bxc6 Bxd6 35. exd6 Nb8 36. Bxb5 Rxd6 37. Kf2 $15 {Stockfish11-a centre pawn
may well be held against}) 30... Rdc8 $17 31. Rdc1 Rxc6 32. Rxc6 Rd8 (32... b4
33. Rc7 b3 34. Rb7 Qc6 35. Qb5 Qxb5 36. Rxb5 Ra6 37. Be7 Rb6 $19 {Stockfish11})
33. Qc2 (33. g3 $11) (33. Bc2 Qa1+ 34. Kh2 Qe1 35. Qxb5 $11 (35. Rc7 $11 {
Stockfish11})) 33... Qxc2 (33... Qa8) 34. Bxc2 Ne5 35. Bxe5 Bxe5 36. Bd3 $15 b4
37. Rb6 Bd6 (37... Rc8 38. Kf1 Rc3 39. Ke2 Rb3 $15 {Stockfish11}) 38. Kf1 $11 {
Wh has the more active R} Kf8 39. Ke2 (39. Rb7 {looks better- keeping the K
out. Stockfish11 then swaps Rs, but,though Bl has 2 passed pawns in the
opposite colour B ending, they are probably too close together to force a win.
If one is sacrificed, then the Wh K is still near to the other.}) 39... Ke7 40.
Kd2 (40. Rb7+) 40... Bf4+ 41. Kd1 Bd6 42. Rb7+ (42. Bc4) 42... Rd7 43. Rxd7+
Kxd7 44. Kc2 Kc6 45. Kb3 Kc5 46. f3 (46. g3 {may be better, to ensure no K
entry via the K side}) 46... Bg3 47. Bc4 f6 48. Bd3 (48. Bg8 {worth a try} h6
49. Bf7 g5 (49... d3 50. Bxg6 d2 51. Kc2 Be1 52. e5 fxe5 53. Kd1 Kc4 54. g4 Kd4
55. Ke2 Kc4 56. Kd1 Kc3 57. Bb1 Kb2 58. Bg6 b3 59. Bf7 Ka3 60. Bg6 Ka2 61. Bf7
Kb2 62. Bg6 Kc3 63. Bf7 {scary, but looks like holding}) 50. Bc4 Be1 51. e5 $1
{blocks the Bl K entry & gives Wh's B a longer run} fxe5 52. g4 d3 53. Bxd3 Kd4
54. Bb1 Ke3 55. Be4 Kf2 56. Bc6 Kg3 57. Kc4 Kxh3 58. Be4 {and Wh is holding-
Stockfish11 nudged}) 48... Be1 49. Bc4 Kd6 50. Bd3 (50. f4 Bg3 51. Kxb4 Bxf4
52. Bg8 h6 53. Kc4 Ke5 54. Kd3 {and Bl has only one passed pawn#}) 50... Ke5
51. Kc4 Bc3 52. g3 g5 $19 53. Be2 h5 (53... Be1 54. f4+ gxf4 55. gxf4+ Kxe4 56.
Bd3+ Kxf4 57. Kxd4 Bc3+ 58. Kc4 h6 $19 {should also work}) 54. g4 hxg4 (54...
h4 {looks better as Bl can force the win of h3, then push his h pawn, which is
furthest away from the Wh K}) 55. hxg4 Kf4 56. Bd1 Ke3 57. f4 Kxf4 (57... gxf4)
58. Kd3 Kg3 (58... b3 {Stockfish11} 59. Bxb3 Kxg4 {gives Bl more widely
separated passed pawns}) 59. Kc4 Kf2 60. Kd3 Ba1 61. Bb3 Bc3 62. Bc4 Kf3 63.
Be6 Kf4 64. Bd7 b3 65. Ba4 b2 66. Bc2 Kxg4 67. Ke2 Kf4 68. Kf2 g4 69. Bd3 g3+
70. Kg2 Ke3 71. Bb1 d3 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.14"]
[Round "1.14"]
[White "Lawrence, Alex"]
[Black "Marin Marin, Francisco Javier"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1466"]
[BlackElo "1776"]
[Annotator "kemen"]
[PlyCount "48"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,13,19,28,59,59,46,44,59,59,44,44,50,47,50,50]} 1. e4 c5 2. Nf3 e6 3.
d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bf4 (6. Ndb5) (6. Nxc6 bxc6 7. e5 {main lines
}) 6... a6 (6... Bb4) (6... d6) 7. e5 (7. a3 {4 Wh wins, 1 draw, 1 Bl win})
7... Qc7 (7... Nd5 {4-1}) (7... Ng8 8. Nxc6 {4.5-1.5}) 8. Nxc6 dxc6 $146 (8...
bxc6 {2-1}) 9. Bg3 (9. Qd2 {Stockfish11} Nd5 10. Ne4 Nxf4 11. Qxf4 f6 12. Nd6+
Bxd6 13. exd6 Qa5+ 14. c3 e5 15. Qg3 O-O 16. Bc4+ Kh8 17. O-O-O $16 (17. Qe3
$16)) 9... Nd7 10. Qd4 (10. Qh5) 10... Bc5 (10... c5 11. Qe3 b5 12. a4 bxa4 13.
Be2 Be7 14. O-O Bb7 15. Rxa4 O-O $14 {Stockfish11}) 11. Qf4 O-O 12. O-O-O $14 (
12. Ne4 Bd4 13. Nf6+ Nxf6 14. Qxd4 Nd5 15. Bd3 $14 {Stockfish11}) 12... b5 13.
Ne4 (13. Qh4 Nxe5 14. Ne4 Be7 15. Bxe5 Qxe5 16. Qxe7 Qxe4 17. Bd3 $14 (17. Bxb5
g6 (17... axb5 18. Rd8 $18) 18. Bd3 Qxg2 19. Qh4 $11 {Stockfish11})) (13. Bd3
Be7 14. h4 {threatening K side breakthrough} f5 15. exf6 Qxf4+ 16. Bxf4 Nxf6
17. f3 $14 {Wh is better developed & Bl has a weakened pawn structure}) 13...
Be7 14. Nd6 (14. Be2) 14... a5 (14... Nb6 $14) 15. Bd3 (15. h4) 15... a4 16.
Be4 (16. Qe4 {Stockfish11} g6 (16... f5 17. exf6 Nxf6 18. Qh4 $18) 17. Bxb5 Bb7
18. Bc4 $18) 16... f6 {Bl is short of space & it is is difficult to find a way
of getting activity} (16... h6 17. Qg4 b4 18. Bf4 f5 19. Qg6 fxe4 20. Bxh6 Bf6
21. exf6 Nxf6 22. Rhe1 a3 23. b3 Nd5 24. Qg3 Nc3 25. Bd2 Nxd1 26. Rxd1 e3 27.
Bxe3 Ra5 $16 {Stockfish11}) (16... b4 17. Bh4 f6 18. Nf5 Nc5 19. Nxe7+ Qxe7 20.
Bxc6 Ra5 21. exf6 gxf6 22. Qg3+ Kh8 23. Qd6 $16 {Stockfish11}) (16... Nb6 17.
Bh4 a3 18. b3 Nd5 19. Bxd5 exd5 20. Bf6 (20. Bxe7 Qxe7 21. Rhe1 Be6 $11) 20...
Bxf6 21. exf6 Bf5 22. Qg3 Bg6 23. Nf5 (23. fxg7 Rfd8) 23... Qxg3 24. Ne7+ Kh8
25. fxg7+ Kxg7 26. hxg3 Ra6 27. Rhe1 $14 {Stockfish11}) 17. Qh4 $18 h6 18. Qg4
(18. exf6 Nxf6 19. Be5 Nxe4 20. Qxe4 Bf6 21. Bxf6 Rxf6 22. f3 Bb7 23. Rd2 Raf8
24. Re1 $18 {Stockfish11}) 18... f5 19. Qg6 Bg5+ 20. f4 (20. Kb1 fxe4 21. Qxe6+
Kh7 22. Nxc8 Qxc8 23. Qxd7 Qxd7 24. Rxd7 Rae8 25. Rd4 e3 26. f4 Be7 27. Re4 Bc5
28. b4 axb3 29. cxb3 Re6 30. Rc1 Bb6 31. Bh4 $16 {Stockfish11}) 20... Nxe5 21.
fxg5 $2 (21. Qh5 Be7 22. fxe5 fxe4 23. Nxe4 $14 (23. Qg6 $14)) 21... Nxg6 $132
22. Nxf5 Nf4 23. Nd6 hxg5 (23... a3) 24. h4 $2 Ne2+ 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.14"]
[Round "1.15"]
[White "Harding, Gareth"]
[Black "Probert, Malcolm"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1557"]
[BlackElo "1565"]
[Annotator "kemen"]
[PlyCount "58"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,15,28,24,29,21,24,23,50,43,30,24,49,41,34,14,31,20]} 1. d4 d5 2. Nc3
Nf6 3. Bf4 g6 4. e3 Bg7 5. h4 {one of the latest elite GM fashions} h5 6. Nf3
O-O 7. Be2 c5 8. O-O (8. Nb5) (8. Ne5 {main lines}) 8... a6 (8... cxd4 9. exd4
Bg4 10. Ne5 Bxe2 11. Qxe2 Qb6 12. Qd3 Nc6 13. Rfd1 Rac8 14. Rab1 {Krupa-Ihnat,
SVK ch tm U20, 2018, 1/2-1/2; Mrudal-Soumya, IND ch women, Managiri 2019, 1/
2-1/2}) 9. dxc5 Qa5 (9... Bg4) 10. Nxd5 Nxd5 11. Qxd5 Bxb2 (11... Nd7 12. Ng5
Qxc5 13. Qb3 Qf5 14. c3 $16 {Stockfish11}) 12. Rab1 (12. Ne5 Bxe5 13. Qxe5 Nc6
14. Qg5 e5 15. Bxe5 Nxe5 16. Qxe5 $18 {Stockfish11}) 12... Rd8 (12... Bf6 13.
Bc4 Nc6 14. Ng5 $16 {Stockfish11}) 13. Qb3 $18 (13. Qe4 $18) 13... Bg7 14. Ne5
(14. Ng5 Rf8 15. Bc4 e6 16. Bd6 $18 {Stockfish11}) (14. Rfd1 Nc6 15. Ng5 Rf8
16. Bc4 e6 17. Bd6 (17. g4 hxg4 18. h5 $18) 17... Re8 18. Bd3 $18 {Stockfish11}
) 14... Bxe5 15. Bxe5 Nd7 (15... Qxc5 16. Bd4 Qf5 17. Ba1 Nc6 18. Rfd1 $16 {
Stockfish11}) 16. Bc3 Qc7 17. Rfd1 Nxc5 18. Qc4 (18. Rxd8+ {Stockfish11} Qxd8
19. Qb4 Qc7 20. Qd4 f6 (20... e5 21. Qxe5 Qxe5 22. Bxe5 Bf5 23. Bf3 Rc8 24.
Bxb7 Nxb7 25. Rxb7 Bxc2 26. f3 $16) 21. Bb4 Ne6 22. Qe4 $18) 18... Rxd1+ (18...
Be6 19. Qb4 Bxa2 $15 {Stockfish11}) 19. Rxd1 Be6 20. Qd4 f6 21. Bb4 b6 $2 (
21... Rc8 $11) 22. Bf3 (22. Bxc5 $18 Rb8 (22... Qxc5 23. Qe4 Kf7 (23... Qc8 24.
Qxg6+ Kh8 25. Rd5 Bxd5 26. Bd3 f5 27. Bxf5 Qxf5 28. Qxf5 $18) 24. Qxa8 $18 {
Stockfish11})) 22... Rc8 23. Bd5 Rd8 (23... Bxd5 24. Qxd5+ Kg7 $11) 24. Qc4
Rxd5 25. Rxd5 Bxd5 26. Qxd5+ Kg7 27. Bxc5 Qxc5 28. Qxc5 bxc5 29. c4 Kf7 $11
1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.15"]
[Round "2.1"]
[White "Waddington, Mike P"]
[Black "Williams, A. Howard"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2046"]
[BlackElo "2246"]
[Annotator "kemen"]
[PlyCount "114"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,114,30,48,109,47,51,32,46,35,27,14,43,11,40,8,5,-3,37,44,13,20,-5,-6,
23,-27,-23,-8,18,10,16,29,38,5,4,-20,35,38,34,46,30,37,36,8,43,37,54,40,29,27,
50,18,32,48,58,35,33,38,49,15,31,53,54,20,28,2,81,74,76,77,82,68,61,90,92,97,
91,91,91,91,80,79,72,79,87,89,82,70,82,39,28,4,26,19,30,22,24,22,22,22,46,46,
45,46,43,43,43,43,43,43,43,43,43,43,43,43,70]} 1. Nc3 c5 2. e4 Nc6 3. f4 (3.
Bb5 Nd4 {J Richmond-Williams, Dyfed open 2016,1/2-1/2; Dyfed Open 2019, 1/2-1/2
}) 3... g6 4. Nf3 Bg7 5. Bb5 Nd4 6. O-O a6 (6... Nxb5 7. Nxb5 d5 8. exd5 a6 9.
Nc3 Nf6 {main}) 7. Bd3 d6 8. Nxd4 cxd4 9. Ne2 Qb6 {59% for Wh} (9... Nf6 {
main, 39 % for Wh}) 10. Kh1 Nf6 11. c3 e5 $146 {Stockfish11} (11... dxc3 {
3 Wh wins, 4 draws,2 Bl wins}) 12. Qe1 (12. Bc2 {starts untangling the Q side})
12... O-O 13. Qh4 d5 (13... exf4 14. Rxf4 d5 15. exd5 Nxd5 16. Rf1 dxc3 17.
dxc3 Bd7 $15 {Stockfish11}) (13... Bg4 $15) 14. fxe5 Nxe4 15. Bxe4 (15. cxd4
$11) 15... dxe4 16. Qxe4 (16. cxd4) 16... Bf5 17. Qxd4 Qc7 18. Qe3 (18. Rxf5
gxf5 19. Qf2 Qxe5 20. d4 Qd5 21. Ng3 Rae8 22. Bd2 $11 {|Stockfish11}) 18...
Bxe5 19. d4 Bg7 20. Ng3 (20. Rxf5 gxf5 21. Qf2 $14 {Stockfish11}) 20... Bd7 21.
Qf4 Qxf4 22. Bxf4 Bc6 23. Rfe1 Rfe8 24. Kg1 $14 f5 25. Kf2 Kf7 26. Nf1 (26. h4)
26... Bf6 27. g3 g5 28. Bc7 Rac8 29. Bd6 (29. Bb6) 29... Be4 30. Nd2 Bd5 31.
Rxe8 Rxe8 32. Nf3 Bc4 (32... g4 $11) 33. Ne5+ (33. Be5 $16 {Stockfish11}) 33...
Bxe5 34. Bxe5 Bd5 35. b3 b5 36. Rc1 Rc8 37. Bd6 Rc6 38. Bc5 Rh6 39. Kg1 f4 40.
c4 Be4 41. Re1 (41. gxf4 $16) 41... Re6 42. gxf4 gxf4 43. Kf2 Bd3 44. Rxe6 Kxe6
45. cxb5 (45. d5+ Kf5 46. d6 Ke6 47. Kf3 bxc4 48. bxc4 Bxc4 49. a3 h5 50. Kxf4
Bb5 $11 {Wh still has only one passed pawn}) 45... axb5 46. a4 bxa4 47. bxa4
Be4 48. a5 Bb7 49. Bf8 Kd5 50. Kf3 Kxd4+ 51. Kxf4 Kc4 $11 52. Be7 Kb5 53. Bd8
Bd5 54. Ke5 Ba2 55. Kd6 Bb1 56. Bb6 Bc2 57. Kc7 Ka6 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.15"]
[Round "2.2"]
[White "Zeidler, Sven P."]
[Black "Garcia, Jason"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2186"]
[BlackElo "2029"]
[Annotator "kemen"]
[PlyCount "97"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,97,30,19,75,51,45,37,39,22,20,12,15,3,0,14,-6,-26,23,-8,-7,-39,-55,
-47,-29,-36,-36,-35,23,30,11,-29,-17,-29,7,7,27,-17,-2,-6,13,13,23,-53,-68,-72,
-77,-61,-10,-10,-10,-10,39,-2,-26,-40,-53,-53,-45,-53,-10,-10,-13,-10,-14,-55,
-69,-55,-51,-56,-58,-60,-41,-39,-11,-9,-25,-5,0,0,0,0,0,0,0,0,27,38,88,143,158,
154,154,155,203,203,219,255,484,520]} 1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7
5. Bb5 Nd4 6. O-O a6 7. Bd3 d6 8. b3 (8. Nxd4 cxd4 9. Ne2 {played on board1
next to this game}) 8... b5 $146 {Stockfish11} (8... Bg4 {most frequent}) (8...
Nf6 9. Rb1 O-O 10. Qe1 e6 11. a4 Bd7 12. Bb2 Bc6 13. Nxd4 cxd4 14. Na2 Nd7 15.
Nb4 Nc5 16. Nxc6 bxc6 17. Qe2 Nxd3 18. Qxd3 c5 19. f5 {Zeidler- D Grant, 4NCL
2018,1/2-1/2}) 9. Rb1 Nf6 10. Qe1 O-O 11. Bb2 Bb7 $17 12. a4 Qb6 13. Kh1 Nh5 (
13... e6 $17) 14. Nxd4 cxd4 15. Ne2 (15. Nd5 $11) 15... e5 16. Qh4 Bc6 (16...
Qd8 $17) 17. fxe5 dxe5 18. Ba3 b4 (18... Rfe8 $15) 19. Bb2 Qb7 (19... a5 $17)
20. Rf2 Bh6 (20... Rac8) 21. g4 (21. Ng3 $11) 21... Bxe4+ 22. Kg1 Bxd3 23. cxd3
Bxd2 24. gxh5 Be3 25. Qf6 Rae8 26. h6 Bxh6 27. Qf3 (27. Bc1 Bg7 28. Qh4 f5 29.
Bh6 $11 {Stockfish11}) 27... Qxf3 28. Rxf3 f5 (28... Rc8 $17) 29. Bc1 Bxc1 30.
Rxc1 Rc8 31. Rff1 a5 $11 32. Rxc8 Rxc8 33. Rc1 Rxc1+ 34. Nxc1 Kf7 $17 35. Ne2
Ke6 (35... f4 $19 {Stockfish11-restricts the N} 36. Kf2 Kf6 37. Ng1 e4 $1 $19 (
37... g5 38. Nf3 g4 39. Nd2 h5 40. Ne4+ Kf5 41. Nd6+ Kf6 (41... Ke6 42. Nb7 $18
) 42. Ne4+ $11 (42. Nb7 e4 43. dxe4 d3 $19)) 38. dxe4 Ke5 39. Kf3 g5 40. Nh3
g4+ 41. Kxg4 Kxe4 42. Nxf4 d3 $19 {Stockfish11}) 36. Ng3 $11 Kd5 37. Kf2 e4 38.
Ke2 (38. dxe4+ fxe4 39. Ke2 $11) 38... Ke5 39. Nf1 e3 40. h4 h6 (40... f4 $11)
(40... Kf4 $11 41. Nh2 Kg3 42. Nf3 f4 43. Nxd4 Kxh4 44. Nf3+ Kg4 45. d4 Kf5 46.
d5 h6 47. d6 Ke6 48. Ne5 g5 49. d7 Ke7 50. Kf3 Kd8 51. Ke2 h5 52. Kf3 h4 53.
Nf7+ Kxd7 54. Nxg5 Kc6 55. Kxf4 e2 56. Nf3 h3 57. Kg3 h2 58. Kxh2 Kc5 59. Kg3
e1=Q+ 60. Nxe1 Kd4 61. Kf4 (61. Nf3+) 61... Kc3 62. Ke4 Kxb3 63. Kd3 Kxa4 64.
Kc2 Kb5 65. Kb2 $11 {Stockfish11}) 41. Nh2 $16 Kd5 (41... Kf4) 42. Nf3 $18 Kc5
(42... Kd6 43. Nxd4 f4 44. h5 gxh5 45. Kf3 $18) 43. h5 gxh5 44. Nh4 Kd5 45.
Nxf5 Ke5 46. Nh4 Kf4 47. Nf3 h4 48. Nxh4 Kg3 (48... Ke5 49. Kf3) 49. Nf5+ 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.15"]
[Round "2.3"]
[White "Hewitt, William"]
[Black "Jones, Iolo C"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "1990"]
[BlackElo "2163"]
[Annotator "kemen"]
[PlyCount "64"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,64,32,48,53,56,43,19,26,13,13,14,-18,12,17,11,31,39,26,-5,5,-5,4,-8,
-12,-30,-30,-30,34,6,18,13,9,-16,11,6,44,6,14,18,17,-31,-17,-17,-18,-18,9,-22,
170,155,147,155,161,157,164,169,184,205,202,138,113,113,193,0,0,0,0]} 1. e4 e5
2. Nf3 Nf6 3. Nc3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5
cxd5 9. O-O O-O 10. Bg5 {main} (10. h3 c6 11. Qf3 Bd6 (11... Re8 12. Bf4 h6 13.
Rad1 Bd6 14. Rfe1 Be6 15. Na4 c5 16. b3 Bxf4 17. Qxf4 Qa5 18. Qd2 Qc7 19. c3
Red8 20. Bb1 {Hewitt-Davison, 4NCL 2020,0-1}) 12. Re1 Bc7 13. Bf4 Bxf4 14. Qxf4
Bd7 15. Na4 {Toczek-Jones, WCPL 2020,1-0}) 10... c6 11. Qf3 (11. h3 h6 12. Bh4
Rb8 13. Qf3 Be7 14. Rab1 Rb4 15. Bg3 Bd6 {Hewitt-Van Kemenade, Dyfed Closed
2016,1/2-1/2}) (11. Na4 Be6 12. Rc1 h6 13. Bh4 Bd6 14. Qf3 Re8 15. Bxf6 Qxf6
16. Qxf6 gxf6 17. c4 d4 18. c5 Bf4 19. Ra1 Rab8 {Waterfield-Jones, Dyfed Open
2012,0-1}) 11... Bd6 (11... Be7 {but Bl need not fear the doubled pawns}) 12.
h3 (12. Rfe1) 12... Rb8 (12... h6 13. Bf4 Rb8 14. b3 Bxf4 (14... Rb4 {main})
15. Qxf4 Be6 16. Na4 Qa5 17. Rac1 c5 18. Bf5 Rbe8 {Hewitt-CM Jones, 4NCL 2020,
0-1}) 13. b3 (13. Rab1) 13... Be5 14. Bf4 Re8 $146 (14... Bxc3 15. Bxb8 Bxa1
16. Rxa1 Bg4 17. hxg4 Qxb8 {elite GM games}) (14... Bxf4 15. Qxf4 Be6 {seems
to favour Bl a little}) 15. Bxe5 (15. Rae1 $14 {Stockfish11}) 15... Rxe5 16.
Ne2 (16. Qf4) 16... Nd7 (16... c5) 17. Nd4 Rb6 18. Rae1 c5 19. Nf5 Rbe6 20.
Rxe5 (20. Qg3 Rg6 (20... Qf8 21. f4 Rxe1 22. Rxe1 g6 23. Rxe6 fxe6 24. Ne3 $14)
21. Nh6+ Rxh6 22. Rxe5 Nxe5 23. Qxe5 Re6 24. Qb8 a6 25. Rd1 $14 {Stockfish11})
20... Nxe5 21. Qg3 Qf6 $11 (21... g6 $11) 22. Ne3 Rd6 (22... d4) 23. Rd1 (23.
Re1 $14) 23... Rd8 $2 (23... Kf8 $11) 24. Nxd5 $18 Rxd5 25. Bxh7+ Kxh7 26. Rxd5
Nd7 (26... Ng6) 27. Rh5+ (27. Qd3+ g6 28. Rxd7 Bxd7 29. Qxd7 $18 {Wh is 2
pawns up with a centralised Q}) 27... Kg8 28. Qc7 Qa6 29. Qd8+ (29. Rd5 Kh7 30.
c4 (30. Rxd7 Bxd7 31. Qxd7 Qxa2 32. Qf5+ Kg8 33. Qxc5 $18) 30... Nf6 31. Rxc5
Qa3 32. Kh2 Be6 33. Ra5 Qb4 34. Rxa7 $18 {Stockfish11}) (29. c4 Nf8 30. Rxc5
$18 {Stockfish11}) (29. Kh2 $18 {Stockfish11}) 29... Nf8 30. Rxc5 Qa3 31. Rxc8
{allows a perpetual} (31. Qc7 $18 {Stockfish11}) (31. Qd4 Be6 32. c4 Qxa2 33.
Rb5 $18 {Stockfish11}) 31... Qc1+ 32. Kh2 Qf4+ 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.15"]
[Round "2.4"]
[White "Taylor, Robert Graham"]
[Black "Young, Alan"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1844"]
[BlackElo "2051"]
[Annotator "kemen"]
[PlyCount "92"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,92,19,29,40,15,25,8,3,4,19,19,16,19,14,11,9,-17,-4,-21,-12,-5,12,-23,
38,3,34,28,32,22,22,-10,21,-2,34,-31,-43,-43,-27,-23,-37,-69,-90,-145,-82,-64,
-77,-128,-109,-120,-118,-95,-99,-118,-103,-136,-116,-109,-86,-113,-63,-133,-63,
-63,-73,-312,-203,-451,-463,-573,-671,-726,-365,-380,-357,-357,-381,-381,-381,
-389,-371,-463,-449,-522,-487,-501,-515,-515,-301,-511,-436,-532,-529,-591,
-643]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. a3 (6. Re1) (6.
c3) (6. Bb3) 6... d6 7. h3 Be6 8. Nbd2 (8. Bxe6) (8. Nc3) 8... Qd7 9. c3 a6 (
9... Rad8 10. Qe2 h6 11. Rd1 Rfe8 12. b4 Bf8 13. Bxe6 Qxe6 14. c4 Ne7 15. d4
exd4 16. Nxd4 Qe5 17. Bb2 c5 18. N2f3 Qxe4 19. Qxe4 Nxe4 20. Nb5 Nc6 21. Nc7
Re7 22. Nd5 Ree8 23. Nc7 Re7 24. Nd5 {Barcal-Rajter, CRO ch tm 2016,1/2-1/2})
10. Re1 Rad8 11. b4 (11. Nf1 d5 12. exd5 Bxd5 13. Bxd5 Qxd5 14. Bg5 Rfe8 15.
Qc2 Nh5 16. Bxe7 Rxe7 17. Rad1 Nf4 18. Ne3 Qe6 19. d4 e4 {Filgueiras-Perdomo,
Curitiba IEP & Copel op 2017,0-1}) 11... Rfe8 (11... d5 $11) 12. b5 Nb8 13.
Bxe6 Qxe6 14. bxa6 Nxa6 15. Ng5 (15. Qc2) 15... Qd7 16. Qb3 Bf8 (16... d5 $15 {
Stockfish11}) 17. Qxb7 Nc5 18. Qb1 h6 (18... d5 $15 {Stockfish11}) 19. Ngf3 d5
20. d4 (20. exd5 Qxd5 21. d4 $11 {Stockfish11} e4 (21... exd4 22. Rxe8 Rxe8 23.
cxd4 Ne6 24. Qb3 Nxd4 25. Qxd5 Ne2+ 26. Kf1 Nxd5 27. Bb2 Nef4 $11) 22. Ne5 Rxe5
23. dxe5 Qxe5 24. Nf1 Nd3 $11) 20... exd4 21. Nxd4 (21. cxd4 Ncxe4 $17) 21...
Ncxe4 (21... dxe4 $19) (21... Rb8 22. Qc2 dxe4 $19) 22. Nxe4 Nxe4 $17 23. Bb2
c5 $19 {the Wh pieces are badly placed} 24. Nf3 c4 25. Qc2 Bc5 26. Re2 Re6 27.
Nd4 Rf6 (27... Rg6) 28. Rae1 g6 (28... Bd6 29. Bc1 Bc7) 29. Bc1 Kh7 30. Kh2
Bd6+ (30... Qc7+ 31. Kg1 Qa5 $19 {Stockfish11}) 31. Kg1 Nc5 32. Nf3 (32. Be3 $5
) 32... Nd3 (32... Rxf3 33. gxf3 Qxh3 $19) 33. Rf1 Rxf3 34. gxf3 Qxh3 $19 35.
f4 Bxf4 (35... Qg4+ 36. Kh1 Bxf4) 36. Bxf4 Nxf4 37. f3 Qg3+ 38. Rg2 Nxg2 39.
Qxg2 Qe5 40. f4 Qxc3 41. Rf2 Qe1+ 42. Rf1 Qe3+ (42... Qe6 43. Qd2 d4) 43. Kh2
Qe4 (43... d4) 44. Qg3 Qf5 45. Qh4 Re8 46. Rf2 d4 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.15"]
[Round "2.5"]
[White "Marin Marin, Francisco Javier"]
[Black "Heap, Gerry"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1776"]
[BlackElo "2111"]
[Annotator "kemen"]
[PlyCount "102"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,102,19,29,72,49,81,7,25,-18,-8,-15,7,-6,20,-10,1,-1,16,18,16,20,26,12,
0,-60,-24,-16,-1,-9,24,4,72,122,120,140,112,-52,-52,-34,-62,-62,-32,-60,-80,
-80,-88,-105,-33,-153,-156,-176,-163,-211,282,282,256,269,229,153,296,229,234,
215,211,209,197,199,189,157,208,208,389,208,221,147,318,168,176,147,333,175,
173,140,146,142,163,111,108,108,155,151,118,19,109,90,86,-98,-15,-1372,-1904,
-29987,-29988,-29997,-29998]} 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bd3 (4. d3 g6 5.
Be2 Bg7 6. O-O O-O 7. Na3 a6 8. Nc2 b5 9. Re1 Nc6 {Denham-Heap, Dyfed Closed
2018,0-1}) 4... Nc6 5. Bc2 Bg4 6. O-O g6 7. h3 Bxf3 8. Qxf3 Bg7 9. d3 O-O 10.
Nd2 (10. Qe2) 10... b5 11. Nb3 {3 Wh wins, 3 draws} (11. Qe2 {main, 41 % for Wh
}) 11... Nd7 12. Re1 (12. Be3 {main}) 12... a5 13. a3 (13. Bd2 a4 14. Nc1 b4
15. Ne2 Qb6 16. Nf4 e6 17. Qd1 a3 18. bxa3 Rxa3 19. Bb3 Re8 {Kerciku-Kaniewska,
EU ch girls U14, Budva 2013,0-1} (19... bxc3 $19)) 13... Nb6 (13... b4) 14. Be3
(14. Bg5) 14... b4 15. axb4 a4 (15... cxb4 $15) 16. Nxc5 $16 dxc5 (16... a3 17.
Nb3 axb2 18. Rxa8 Qxa8 19. Bxb6 Bxc3 20. Rd1 Nxb4 21. Bb1 $16 {Stockfish11})
17. bxc5 $18 a3 (17... Nd7 18. Bxa4 $18 {4 mobile pawns for a piece is more
than enough}) 18. Rxa3 (18. cxb6 $18 axb2 19. Rxa8 Qxa8 20. e5 $1 (20. d4 Qa5
$11) 20... Nxe5 21. Qxa8 Rxa8 22. Rb1 $18 {Stockfish11}) 18... Rxa3 19. bxa3
Bxc3 20. Rc1 Nc8 $17 (20... Nd7 $19) 21. Ba4 Nd4 $19 22. Qd1 Qa5 23. c6 Nb6 24.
c7 Rc8 25. Bb3 e6 26. Kh1 Qxa3 $2 (26... Nd7 27. Bf4 e5 28. Bg5 Bb2 29. Rb1
Qxa3 $19 {Stockfish11}) (26... Na8 27. Rb1 Nxc7 $19 {Stockfish11}) 27. Rxc3 $18
Qd6 28. Bxd4 (28. Ba2) 28... Qxd4 29. Qc2 (29. Rc6) 29... Kg7 30. Rc6 Qa1+ 31.
Kh2 Qe5+ 32. g3 Na8 33. Rc5 (33. Qa2 Nxc7 34. Qc2 Rb8 35. Rxc7 Rxb3 36. Rxf7+
Kxf7 37. Qxb3 $18 {Stockfish11}) 33... Qd4 34. Rc4 Qb6 35. Rc6 Qa7 36. Kg2 (36.
Qb2+ $1 {Stockfish11} Kh6 (36... Kg8 37. Rxe6 Qxc7 38. Qf6 Rb8 39. Bd5 Nb6 40.
Re7 $18) 37. g4 Nxc7 38. Qf6 Qa5 39. h4 $18) 36... Rxc7 37. Qb2+ Kh6 (37... Kf8
38. Rxc7 Nxc7 39. Qh8+ Ke7 40. Qxh7 {Stockfish11}) (37... Kg8 38. Rd6 Rd7 39.
Rxe6 fxe6 40. Bxe6+ Rf7 41. Qf6 Qc7 42. d4 $18 {Stockfish11}) 38. Qd2+ (38. Qf6
$1 {Stockfish11} Rxc6 39. g4 Rc1 40. g5+ Kh5 41. Qg7 Kxg5 42. h4+ Kh5 43. Qxh7+
Kg4 44. Qh6 e5 45. f3# (45. Qg5#)) (38. Qh8 $18 {Stockfish11}) (38. Rxc7 Nxc7
39. Qf6 Ne8 40. Qd8 Ng7 41. g4 $18 {Stockfish11} Qa1 (41... Qb7 42. Qf6 (42.
g5+ Kh5 43. Bd1+ Kh4 44. Qd6 Nh5 45. Bxh5 Kxg5 (45... Kxh5 46. Qf4 f5 47. Kg3
e5 48. Qh4#) 46. Bf3 $18) 42... Qxb3 43. Qf4+ g5 44. Qf6#) 42. Qh4+ (42. f4)
42... Nh5 43. gxh5 gxh5 44. Qf4+ Kg6 45. Qg3+ Kf6 46. Qe3) 38... Kg7 39. Qb2+
Kh6 40. Qc1+ Kg7 41. Rxc7 (41. Qc3+) 41... Nxc7 42. Qc6 $18 Na6 43. Ba4 (43. d4
$18) 43... Nc5 44. Bb5 Qa3 (44... Nb3 45. Qd6 Nd4 46. Be8 $16 {Stockfish11})
45. Qd6 Qc3 46. Kf3 (46. h4 $16) (46. e5 $14) 46... Nb3 (46... Nb7 $11) 47. Kg2
Nd2 48. Qc6 (48. Qf4 $16) 48... Qa1 49. g4 (49. Kh2 Nf3+ 50. Kg2 Ne1+ 51. Kh2
Nf3+ $11 {perpetual} (51... Qd4 52. Kg1 Nxd3 $11)) 49... Qf1+ 50. Kg3 e5 {
closing the mating net} 51. g5 Qg1+ 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.15"]
[Round "2.6"]
[White "Richmond, Jane"]
[Black "Barnaby, Nicholas M S"]
[Result "1/2-1/2"]
[ECO "C86"]
[WhiteElo "2101"]
[BlackElo "1750"]
[Annotator "kemen"]
[PlyCount "28"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,28,80,29,21,26,50,28,24,-4,2,-2,7,18,20,-10,-12,-6,36,-75,42,-17,44,
13,43,33,26,-45,15,-15,4]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5
6. Bb3 Be7 (6... Bc5 7. Qe2 d6 8. c3 Bb6 9. a4 {Richmond-Jukes, Dyfed Open
2018,1-0}) 7. Qe2 O-O 8. a4 (8. c3 d6 (8... d5)) 8... Rb8 (8... b4) (8... Bb7 {
main lines}) 9. c3 (9. axb5 axb5 10. Nc3) 9... d5 10. d3 (10. exd5 Nxd5 11.
Nxe5 Nf4 12. Qe3 Nxe5 13. Qxf4 Bd6 14. Qg3 Nd3 15. f4 Re8 {Kaladnik-Budner,
corr 1956,0-1}) 10... h6 (10... Qd6 11. axb5 axb5 12. Bg5 Be6 13. Nbd2 d4 {
Arnold-R Van Kemenade, Rose Foregrove-Huddersfield 1986,1/2-1/2}) 11. Nbd2 Be6
(11... b4 $15 {Stockfish11}) 12. axb5 axb5 13. Ra6 Qd7 14. h3 Rfe8 $11 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.15"]
[Round "2.7"]
[White "Powell, Lloyd"]
[Black "Pinch, David"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "2064"]
[BlackElo "1667"]
[Annotator "kemen"]
[PlyCount "85"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,85,26,75,3,-31,1,41,60,40,66,66,104,64,61,54,71,34,13,26,26,17,19,26,
28,25,63,44,81,64,34,81,83,73,88,83,123,84,110,87,110,98,105,95,133,121,125,98,
120,112,121,114,105,123,122,120,150,151,151,143,159,-260,156,161,190,178,185,
189,215,234,342,271,271,301,378,355,363,388,377,301,435,330,493,477,579,665,
755,774]} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 (4. Nf3 d6 {Hurn-Pinch, Welsh
Seniors 2019,1/2-1/2}) 4... a6 5. bxa6 g6 6. Nc3 Bxa6 7. g3 (7. e4 Bxf1 8. Kxf1
d6 9. Nf3 Bg7 10. g3 O-O 11. Kg2 Nbd7 12. Qc2 Ra6 {S Williams-Pinch, West
Wales Major 2019,1/2-1/2}) 7... d6 8. Bg2 Bg7 9. Nf3 O-O 10. O-O Nbd7 11. Rb1 (
11. Qc2) (11. Re1) 11... Qa5 12. Bd2 Nb6 (12... Rfb8 {main}) 13. b3 Qa3 14. Ne1
Bb7 15. Nc2 Qa7 {2 games each} (15... Qa6 {main, 77% for Wh}) 16. Ne3 $146 (16.
e4 Ba6 17. Re1 {2-0}) 16... Ba6 (16... e6 17. dxe6 fxe6 18. Bh3 Rfe8 19. Nb5
Qb8 20. Nc4 $16 {Stockfish11}) 17. a4 Nfd7 18. h3 (18. a5 Nc8 19. Re1 $18 {
Stockfish11}) 18... Rfb8 19. Nc2 Nc8 20. Na3 Qb7 21. Qc2 Na7 22. Nc4 (22. Rfe1)
22... Qc7 23. Kh2 Ne5 24. Na3 (24. Nxe5 Bxe5 25. Ne4 {Stockfish11}) 24... Rb7
25. Rfe1 Rab8 26. f4 Nd7 27. Nc4 (27. Na2 {Stockfish11}) 27... Qd8 (27... Bxc4
{Stockfish11} 28. bxc4 Rb4 29. Nb5 Nxb5 30. cxb5 Rxb1 31. Rxb1 c4 32. e4 Bd4
33. Bb4 (33. Rb4)) 28. e4 Qc7 29. Na2 Bxc4 30. bxc4 $2 (30. Qxc4) 30... Rxb1 (
30... Rb2 $1 {wins a piece} 31. Qd3 Rxa2 32. a5 Bd4 $19) 31. Rxb1 Nc8 32. a5
$18 Rxb1 33. Qxb1 Nb8 34. Qb5 Na7 35. Qe8+ Bf8 36. Nc3 Na6 37. Nb5 (37. h4 {
brings the B into the game}) 37... Qc8 38. Qxc8 Nxc8 39. Bf3 (39. h4) 39... e6
40. Kg2 Be7 41. e5 Kf8 42. dxe6 fxe6 43. Bb7 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.15"]
[Round "2.8"]
[White "Pleasants, Allan J"]
[Black "Williams, R Gareth"]
[Result "1-0"]
[ECO "A95"]
[WhiteElo "2028"]
[BlackElo "1642"]
[Annotator "kemen"]
[PlyCount "69"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

1. Nf3 f5 2. g3 Nf6 3. Bg2 e6 4. d4 d5 5. O-O Be7 (5... Bd6) 6. c4 O-O 7. Nc3 (
7. b3 c6 8. Ba3 {is another plan}) 7... c6 8. Qb3 (8. b3) 8... Qb6 (8... Nbd7)
(8... Kh8 {main lines}) 9. Bf4 (9. c5 {1.5-0.5}) 9... Ne4 10. Nxe4 (10. Na4 Qb4
11. c5 Na6 12. h4 Qa5 13. Rad1 Qd8 14. Nc3 Nb8 15. Bh3 {Alonso Torno-Chans
Farina, Asturias ch 2001,1-0}) 10... fxe4 11. Qxb6 axb6 12. Nd2 (12. Ne5) 12...
Nd7 (12... b5 $11 {Stockfish11}) 13. Bh3 Nf6 14. Bc7 (14. a3 c5 15. Rac1 $11)
14... Ra6 (14... e5 {Stockfish11} 15. Bxc8 Rfxc8 16. Bxe5 Bb4 17. Rfd1 Bxd2 18.
Rxd2 dxc4 19. Bxf6 gxf6 20. a3 Rd8 $11) 15. a3 Ne8 16. Be5 Bd6 $2 (16... Nd6
$11) 17. cxd5 Bxe5 (17... cxd5 18. Rfc1 Bd7 19. Bxd6 Nxd6 20. Rc7 Bc6 21. Bxe6+
$18 {Stockfish11}) 18. dxe5 cxd5 19. Rac1 $18 Bd7 20. Nb3 Ra4 21. e3 Kf7 22.
Nd4 Ke7 23. Rc3 b5 24. Rfc1 (24. b4) 24... b4 (24... Rc4 25. b3 Rxc3 26. Rxc3
$18 {Stockfish11}) 25. Rb3 bxa3 26. bxa3 Ra7 27. Rb6 Kd8 28. Bxe6 Ra6 29. Rxa6
bxa6 30. Bxd5 (30. Kg2) (30. Rc5) 30... Nc7 31. Bxe4 h6 32. f4 Bh3 33. Rb1 (33.
f5) 33... Rf7 34. Nc6+ (34. Rb8+ Kd7 35. Bb7) 34... Kd7 35. Rd1+ 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.15"]
[Round "2.9"]
[White "Ley, Cyril"]
[Black "May, Frank"]
[Result "0-1"]
[ECO "A26"]
[WhiteElo "1603"]
[BlackElo "2019"]
[Annotator "kemen"]
[PlyCount "70"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,70,33,-34,58,-38,18,-1,-6,1,0,0,0,-31,-2,-4,-2,-1,16,2,4,-7,-2,-21,11,
-13,15,-14,-13,-41,1,-8,-13,-30,-30,-30,9,-41,-42,-47,-35,-46,-54,-57,-54,-70,
-53,-103,-96,-210,-138,-248,-144,-164,-220,-276,-42,-295,-197,-225,-160,-186,
-233,-313,-163,-129,-138,-429,-432,-1448,-1555,-1609,-1652]} 1. c4 g6 2. g3 Bg7
3. Bg2 e5 4. Nc3 d6 5. d3 Nc6 (5... f5) 6. e4 Nf6 (6... Nge7) (6... f5) 7. Nge2
O-O 8. O-O Nh5 (8... Be6) 9. a3 (9. Be3) (9. Nd5) (9. f4) 9... f5 10. b4 $146 (
10. exf5 gxf5 {1 draw, 2 Bl wins} (10... Bxf5 11. h3 Bd7 12. Nd5 {Gawain
Jones-Rudd, Hastings Masters 2009,1-0})) (10. Nd5 {1-1}) (10. f4 {1-1}) 10...
f4 $15 11. f3 g5 12. Rb1 Be6 $17 13. Rf2 Qd7 14. Qf1 Rf7 (14... Ne7 $19 {
Stockfish11}) 15. g4 Nf6 16. h3 Raf8 17. Bd2 h5 $19 18. Bh1 Ne7 (18... hxg4 19.
fxg4 Nxg4 20. hxg4 Bxg4 21. Bf3 Bxf3 22. Rxf3 g4 23. Rf2 Nd4 $19 {Stockfish11})
19. Nd5 Ng6 20. Rh2 Nh4 (20... Nh7 21. gxh5 Nh4 22. Be1 c6 $19 {Stockfish11})
21. Be1 c6 22. Nxf6+ Bxf6 23. Bxh4 gxh4 24. Rg2 Rg7 (24... hxg4 25. hxg4 (25.
fxg4 f3 26. Qxf3 Bg5 $19) (25. Rxg4+ Bxg4 26. hxg4 h3 $19) 25... h3 26. Rh2
Bxg4 $19 {Stockfish11}) 25. Rb2 Bd8 {if the Bl B can get to the K this way, it
mostly is curtains for Wh, especially if Wh's QB is no longer on the board} 26.
Kh2 Bb6 27. Qe1 Qd8 (27... hxg4 28. hxg4 h3) 28. Rc2 Be3 29. Nc3 Kh7 30. Nd1
Bd4 31. gxh5 Rfg8 (31... Rg3) 32. Rxg7+ Rxg7 33. Rg2 Rg3 34. Rxg3 hxg3+ 35. Kg2
Qh4 {Wh's Q side play got no further than b4} 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.15"]
[Round "2.10"]
[White "Francis, Matthew"]
[Black "Miles, Richard"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "1642"]
[BlackElo "1968"]
[Annotator "kemen"]
[PlyCount "80"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,80,66,20,103,49,71,45,76,50,42,55,41,-8,-1,10,51,-6,2,-2,-8,-48,-56,
-98,-78,-117,55,-89,-94,-95,-102,-95,-98,-97,-103,-131,-130,-121,-130,-131,
-124,-129,-130,-130,-128,-109,-99,-115,-67,-69,-79,-79,-81,-93,-102,-125,-120,
-141,-133,-146,-112,-116,-117,-109,-109,-127,-137,-144,-102,-102,-131,-137,
-150,-136,-126,-177,-154,-279,-314,-318,-331,-1353,-1375]} 1. e4 c5 2. Nf3 Nc6
3. Bb5 g6 4. O-O Bg7 5. Re1 Nf6 6. c3 (6. e5) 6... O-O 7. d4 (7. h3 {
alternative}) 7... d5 (7... cxd4 8. cxd4 d5) 8. exd5 (8. e5 Ne4 9. Bxc6 bxc6 {
53% for Wh}) 8... Qxd5 {34% for Wh} 9. c4 Qd6 10. d5 Nd4 11. Nxd4 cxd4 12. Bg5
(12. Nd2) (12. h3 {main lines}) 12... e6 $146 (12... a6 13. Ba4 b5 {1 draw, 2
Bl wins}) (12... Ng4 13. g3 Qb6 14. Bxe7 d3 15. Rf1 a6 16. Ba4 Qxb2 17. Bxf8
Kxf8 18. Nd2 Nxf2 $19 {Stockfish11}) 13. dxe6 (13. Qxd4 Nxd5 (13... exd5 14. c5
Qd8 $14) 14. Qd2 a6 15. cxd5 axb5 16. Nc3 b4 17. Ne4 Qxd5 18. Qxb4 Bd7 $11 {
Stockfish11}) 13... Bxe6 $19 14. Nd2 a6 (14... Ng4 15. Nf3 a6 16. Ba4 (16. c5
Qxc5 17. Bf1 Bd5 $17) 16... h6 17. Bh4 Ne5 $17 {Stockfish11}) 15. Bxf6 Bxf6 16.
Ne4 (16. Ba4 Be5 $17) 16... Qd8 $19 17. Nxf6+ Qxf6 18. Ba4 Bxc4 19. Qd2 Rfd8
20. Bd1 Bd5 (20... d3) (20... Rac8 {also}) 21. Be2 Kg7 22. b3 h5 (22... Rac8) (
22... d3) 23. Bd3 Rd7 24. Rac1 Rad8 25. Qe2 Qg5 (25... Rd6) 26. Qe5+ Qxe5 27.
Rxe5 Kf6 28. Rce1 Rd6 (28... Rc7) 29. f4 Re6 30. Kf2 Rde8 31. Rxe6+ Rxe6 32.
Rxe6+ (32. Rd1 $5 {worth a try}) 32... Kxe6 33. g3 f5 34. Ke2 Kd6 35. Kd2 Kc5
36. Kc1 b5 37. Kb2 Be4 38. Be2 d3 39. Bd1 Kd4 40. Kc1 (40. b4 d2) 40... Kc3 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.15"]
[Round "2.11"]
[White "Probert, Malcolm"]
[Black "Bourne, Johnathan D"]
[Result "0-1"]
[ECO "E60"]
[WhiteElo "1565"]
[BlackElo "1904"]
[Annotator "kemen"]
[PlyCount "108"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,108,20,15,34,-9,49,-12,-6,-12,-12,8,4,-7,31,30,33,-43,29,29,16,15,10,
-30,34,23,29,31,-6,29,18,15,31,-31,17,46,46,68,75,-35,-34,-34,-34,-44,-30,-140,
-35,-30,-32,-129,13,13,20,-53,33,18,0,-24,6,8,17,12,-2,-2,7,-37,-48,-26,-26,
-14,-21,-29,-25,-23,-40,-36,-49,-56,-36,-36,-22,-45,-35,-110,-56,-56,0,0,0,-17,
93,-37,57,-83,-46,-64,-51,-45,-8,-73,-64,-149,-84,-78,-138,-157,-177,-188,-170,
-338,-410]} 1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 d6 5. d4 O-O 6. g3 (6. e3 {
quite popular}) 6... Nbd7 7. Bg2 c5 (7... e5) (7... c6) 8. d5 (8. O-O {main})
8... a6 (8... b5) 9. Nbd2 $146 (9. O-O) (9. a4) 9... Rb8 10. O-O b5 {
transposing back to played lines} 11. Qc2 (11. Re1) 11... Nb6 12. Rab1 (12. e4
e5 13. Rfb1 Nh5 14. Bf1 Bd7 15. Nh4 f5 16. Be2 Nf4 17. Bf1 Nh5 18. exf5 gxf5
19. Re1 f4 {Hobson-Vassiades, Skopje ol 1972,0-1}) 12... Bd7 13. Rfe1 bxc4 14.
bxc4 e5 15. e4 (15. dxe6 fxe6 16. Qd3 Qe7 17. Bc3 $14 {Stockfish11}) 15... Qc8
(15... Na4) 16. Nxe5 Ba4 (16... dxe5 17. Bxe5 Rb7 18. Ba1 Re8 19. f4 $14 {
Stockfish11}) 17. Qd3 dxe5 18. Bxe5 Rb7 19. Qc3 (19. Qa3 {Stockfish11} Re8 20.
Ba1 Qb8 21. Rbc1 $18 (21. e5 Nfd7 22. f4 $18 (22. e6 $18))) 19... Nbd7 20. Rxb7
Qxb7 21. Rb1 Qc8 $15 22. Bh3 Qd8 (22... Nxd5 $1 23. cxd5 Bxe5 24. Qc4 Bb5 25.
Qc2 Bd4 $19 {Stockfish11}) 23. Bxd7 (23. Bxf6) 23... Bxd7 24. Rb8 (24. Qb2 Bh3
$17) 24... Qe7 (24... Nxd5 $1 $19 {Stockfish11}) 25. Rxf8+ (25. d6 Qe6 26.
Rxf8+ Kxf8 27. Nb3 Kg8 28. Nxc5 Nxe4 29. Nxe6 Nxc3 30. Bxg7 Ne2+ 31. Kf1 Bxe6
32. Bb2 Bxc4 33. d7 Nd4+ 34. Ke1 Nc6 35. Bf6 Bxa2 36. d8=Q+ Nxd8 37. Bxd8 {
Stockfish11 & the opposite colour Bs draw}) 25... Kxf8 26. f4 Ne8 (26... Bh3
$17) 27. Bxg7+ Nxg7 28. e5 (28. Qa5 g5 29. Qxa6 gxf4 30. gxf4 Kg8 $15 {
Stockfish11}) (28. Qe3 Kg8 29. e5 Bf5 30. Nb3 Qb7 31. Qxc5 h5 $15 {Stockfish11}
) 28... Qd8 (28... g5) 29. Qa3 $11 Qb6 30. Nb3 Qb4 31. Qxb4 cxb4 32. c5 Bb5 33.
c6 (33. Kf2) 33... Ke7 34. d6+ Kd8 35. Na5 Ne6 36. Kf2 $11 Kc8 37. Ke3 Nd8 38.
c7 Nb7 39. Nb3 Bd7 40. Nd4 Nc5 41. Kd2 Ne6 42. Nb3 Nxc7 43. dxc7 Kxc7 $17 {
Wh's K side pawns are halted, while Bl's can advance on the Q side} 44. Kd3 Kb6
45. Kc2 a5 46. Nd2 Bf5+ 47. Kb2 Bd3 48. Nf3 (48. a3) 48... h6 (48... Bc4) 49.
Ng1 Kc5 50. h3 a4 51. a3 bxa3+ 52. Kxa3 Kd4 53. Nf3+ Ke3 54. Ne1 Be4 {end of N}
0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.15"]
[Round "2.13"]
[White "Haigh, Tony"]
[Black "Greatorex, Roger"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "1773"]
[BlackElo "1735"]
[Annotator "kemen"]
[PlyCount "56"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,56,20,20,20,-16,-17,-10,17,27,31,8,50,4,14,6,39,0,21,12,7,3,1,-157,
-167,-159,-34,-37,18,-61,-58,-60,-60,-135,-87,-87,-136,-192,-196,-200,-255,
-248,-159,-269,-80,-89,-41,-50,-134,-149,0,0,207,210,205,204,432,442,750]} 1.
d4 d5 2. c4 e6 3. Nc3 c6 4. cxd5 exd5 5. Qc2 (5. Nf3) 5... g6 (5... Bd6) (5...
Nf6 {main lines}) 6. e3 (6. Bf4) (6. Nf3) 6... Bg7 (6... Bf5 {Wh 33% from 42
games}) 7. Nf3 f5 $146 (7... Nf6) (7... Nd7) 8. Ne5 (8. b3) 8... Nf6 9. Be2 O-O
10. Bd2 Nbd7 11. b4 (11. f4 $11) 11... Nxe5 12. dxe5 Ng4 (12... Ne4 $19 13. O-O
(13. Nxe4 fxe4 14. O-O Qg5 $19) 13... Nxd2 14. Qxd2 Bxe5 $19 {Stockfish11}) 13.
f4 d4 14. exd4 (14. Nd1) 14... Qxd4 $15 15. Bxg4 (15. Nd1 $11 Be6 (15... Qxa1
16. Bc3 {wins Q}) 16. Qc3 Qd5 17. Qf3 Qd8 $11) 15... fxg4 $17 16. Qb3+ (16. Rd1
) 16... Kh8 $19 17. O-O-O a5 18. bxa5 Rxa5 19. Rhe1 Rc5 20. Re2 Bf5 (20... Rc4
21. e6 Qc5 $19 {Stockfish11}) 21. a4 (21. g3 $5) 21... Ra8 (21... Rc4 $19) (
21... b5 $19) 22. Kb2 Qc4 23. Qxc4 Rxc4 $19 24. g3 Be6 (24... Rb4+ 25. Kc1 b5
$19 {Stockfish11}) (24... b5 $19) (24... Bf8 $19) (24... Kg8 $19) 25. Re4 $11
Raxa4 (25... Rxe4 26. Nxe4 Rxa4 27. Nc5 Ra2+ 28. Kc3 Bf5 29. Nxb7 Ra3+ 30. Kc4
$11 {Stockfish11}) 26. Nxa4 $18 Rxe4 27. Nc5 Bxe5+ (27... Bf5) 28. fxe5 Rxe5
1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.15"]
[Round "2.14"]
[White "Van Kemenade, Julie"]
[Black "Knight, Colin B"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1689"]
[BlackElo "1759"]
[Annotator "kemen"]
[PlyCount "107"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

1. e4 c5 2. Nc3 d6 3. Bc4 Nf6 4. d3 Nc6 5. h3 (5. f4) 5... a6 6. a3 (6. a4)
6... e6 (6... b5 7. Ba2) 7. Nf3 Be7 8. O-O O-O 9. Re1 e5 (9... b5 10. Ba2 Bb7
11. Ne2 {main}) 10. Ng5 (10. Nd5 {Stockfish11}) 10... h6 11. Nf3 Be6 12. Nd5
Nd7 13. c3 b5 14. Bb3 (14. Ba2) 14... Na5 15. Bc2 Nf6 (15... f5 16. Nxe7+ Qxe7
17. exf5 Bxf5 18. b4 $14 {Stockfish11}) 16. Ne3 Nc6 17. d4 Bd7 18. Nf5 (18.
dxc5 dxc5 19. a4 $16) (18. b4 $14) 18... Bxf5 19. exf5 Qc7 (19... exd4 20. cxd4
Rc8 21. Bf4 cxd4 22. a4 Nd5 23. Bg3 Bf6 24. axb5 axb5 25. Bd3 Qb6 26. Qb3 Ndb4
27. Bf1 Rfd8 28. Red1 $11 {Stockfish11}) 20. Be3 (20. dxc5 dxc5 21. a4 $14)
20... e4 21. Nh4 (21. d5) 21... d5 (21... cxd4 22. cxd4 d5 $17 {Stockfish11})
22. dxc5 Rad8 23. g4 Nd7 (23... d4 24. cxd4 Nxd4 $19 {Stockfish11}) 24. Ng2 (
24. f6 Bxf6 25. Qxd5 (25. Nf5 Nde5 26. Bf4 Ne7 $19) 25... Bxh4 26. Qxe4 Nf6 $19
) 24... Nde5 25. Bf4 (25. Kh1 Bxc5 $19 {Stockfish11}) 25... Bxc5 26. Kf1 Qb6 (
26... Qe7 $19) 27. Re2 Nf3 (27... Rfe8 $19) (27... Qb7 $19) 28. Qc1 (28. b4 Be7
29. Ne3 d4 30. Nd5 Rxd5 31. Bxe4 Rdd8 32. Bxf3 dxc3 33. Qc1 Bf6 $17 {
Stockfish11}) 28... Nce5 29. Be3 d4 (29... Bxe3 30. Qxe3 d4 $19 {Stockfish11})
30. cxd4 Bxd4 (30... Nxd4 31. Bxd4 Rxd4 32. Qf4 (32. Bxe4 Nc4) 32... Nc4 33.
Bxe4 Re8 $19 {Stockfish11}) 31. Bxe4 Rc8 (31... Bxe3) 32. Rc2 Nc4 (32... Rc4
33. Rxc4 bxc4 34. Bxf3 Nxf3 35. Bxd4 Nh2+ 36. Kg1 Nf3+ 37. Kf1 Qxd4 $11 {
Stockfish11}) 33. Bxf3 $18 Rfd8 34. Bxd4 Qxd4 35. Kg1 Rb8 36. Ne3 Ne5 37. Bg2 (
37. Qd1) 37... Qf4 38. Nf1 Qd4 39. Qe3 Qd6 40. Rac1 Nc4 41. Qg3 Qf6 42. Ne3
Nxb2 43. Rc6 (43. Nd5 Qd4 44. Ne7+ Kh7 45. Nc6 $18 {Stockfish11}) 43... Qd4 44.
f6 g6 45. Nd5 (45. Nf5) 45... Nc4 46. Ne7+ (46. Re1) 46... Kh7 47. Bd5 (47. Qc7
) (47. Nxg6 Ne5) (47. Rxa6) 47... Ne5 48. g5 (48. Rc7) (48. Bb3) 48... Nxc6 (
48... Rxd5 {despite initial concerns might be a way to hold} 49. Nxd5 (49. Rc7)
49... Nxc6 50. Ne7 (50. Ne3 Ne5 51. Rc7 hxg5 52. Re7 b4 53. Qxe5 Qxe5 54. Rxe5
b3 55. Nd1 b2 56. Nxb2 Rxb2 57. Re7 Rb3 58. Rxf7+ Kg8 59. Rg7+ Kf8 60. Kg2 Rxa3
61. Rxg6 Ra5 62. Rg7 Rf5 63. Kg3 a5 64. Ra7 a4 (64... Rxf6 65. Rxa5 Kg7 66.
Rxg5+ Kh6 {draws with the split pawns}) 65. Kg4 Rxf6 66. f3 Kg8 67. Rxa4 Kg7
68. Kxg5 Rxf3 $11) 50... Nxe7 51. Qxb8 Qd2 52. Rc5 Nf5 53. Qe8 Qd1+ 54. Kh2
Qd6+ 55. Re5 Qc7 56. gxh6 Nh4 57. Kg3 Nf5+ 58. Kg2 Nh4+ $11) 49. Nxc6 (49. Bxc6
$18) 49... Qxd5 50. Nxb8 Qd2 (50... Rxb8 $1 51. Rc7 (51. Qxb8 Qxg5+ 52. Kh2
Qxc1 $19) 51... hxg5 52. Rxf7+ Qxf7 53. Qxb8 Qxf6 $11) 51. Qc7 (51. Rc7 $18)
51... Kg8 (51... Qxg5+ 52. Kh1 (52. Kf1 Qd5 53. Nxa6 Qh1+ 54. Ke2 Qe4+ 55. Kf1
Qh1+ $11) 52... Qxf6 53. Nd7 Qxf2 54. Ne5 (54. Qxd8 Qf3+ $11) 54... Rd2 55.
Qxf7+ Qxf7 56. Nxf7 Rd3 57. Kg2 Rxa3 $11 {Stockfish11}) 52. gxh6 $18 Qd5 53.
Rc5 Qd1+ 54. Kg2 (54. Kg2 Rd2 55. Qe7 Rxf2+ 56. Kxf2 Qd2+ 57. Kf3 Qd3+ 58. Qe3
$18) 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.15"]
[Round "2.15"]
[White "Dixon, Chris"]
[Black "Morgans, Justin"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1754"]
[BlackElo "1605"]
[Annotator "kemen"]
[PlyCount "35"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,35,19,31,75,63,83,64,75,71,72,35,28,28,40,12,2,21,7,24,30,40,39,34,81,
84,122,108,103,104,111,112,105,97,104,83,68,67]} 1. e4 d6 2. d4 Nf6 3. Nc3 g6
4. Be3 Bg7 5. Qd2 O-O 6. f3 e5 7. dxe5 (7. Nge2) (7. d5) (7. O-O-O) 7... dxe5
8. O-O-O Qxd2+ 9. Rxd2 Be6 (9... c6) 10. Nh3 (10. Bb5) 10... Bxh3 (10... Nc6)
11. gxh3 c6 12. Be2 (12. Bc4) 12... Nbd7 13. Rhd1 Nb6 14. Kb1 Rfe8 15. a4 Bf8
16. a5 Nc8 17. Bg5 Kg7 18. Na2 $14 (18. Bxf6+ Kxf6 19. Rd7 Re7 20. a6 $14)
1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.15"]
[Round "2.16"]
[White "Jones, Martin C"]
[Black "Lawrence, Alex"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1745"]
[BlackElo "1466"]
[Annotator "kemen"]
[PlyCount "107"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,107,19,5,5,-36,53,41,41,47,47,25,8,2,6,1,16,8,14,3,28,-7,6,6,38,18,79,
-8,4,5,-19,-21,-20,-20,-3,-5,8,-19,-15,-56,-13,-55,-48,-86,-21,-26,-24,-21,-23,
-69,12,19,12,-9,6,-8,-22,-87,-98,-91,-115,-99,-113,-127,-115,-139,-133,-170,
-145,-158,-156,-170,-172,-196,-149,-179,-143,-144,-152,-181,-117,-231,-105,-99,
-116,-126,-141,-167,-113,-160,-173,-203,-174,-178,-200,-234,-267,-263,-178,
-208,0,-180,637,748,29985,29986,29987,29988,29989,29990]} 1. d4 Nf6 2. c4 g6 3.
Nc3 Bg7 4. Nf3 d6 5. Bg5 h6 6. Bh4 g5 7. Bg3 O-O (7... Nh5) 8. e3 c5 (8... Nh5)
9. d5 Qb6 (9... Nh5 {225 games}) 10. Qc2 (10. Rb1 {3.5-0.5}) 10... Na6 (10...
Bf5 $11 {1 game each}) 11. a3 (11. Nd2 $16) 11... Nh5 (11... Bf5) 12. Be2 Bf5 {
too late now, as Wh can 0-0 out of trouble} (12... f5 13. Nd2 Nf6 14. f4 $18)
13. e4 (13. Qxf5 Qxb2 14. O-O Qxc3 15. Bd3 Rfd8 (15... Nf6 16. h4 $18 (16. Ne5
$18)) 16. h4 g4 17. Nh2 Nf6 18. f3 gxf3 19. Nxf3 $18 {Bl's K side is too open})
13... Bh7 (13... Bg6) 14. Bd3 (14. Nd2) 14... Nb8 15. O-O Nd7 $11 16. Rad1 Nxg3
(16... Rae8 $15) 17. hxg3 Ne5 18. Na4 (18. Nxe5 Bxe5 19. Rb1 $11 {Stockfish11})
18... Qc7 19. b4 b6 (19... Nxd3 20. Qxd3 cxb4 21. axb4 Rfc8 22. Nd2 (22. Rc1 b5
$19) 22... b5 23. cxb5 Qc2 $19 {Stockfish11}) 20. bxc5 bxc5 21. Rb1 Qd7 (21...
Nxd3 22. Qxd3 Qa5 23. Qc2 f5 $19 {Stockfish11}) 22. Nxe5 Bxe5 23. Nc3 Rfb8 (
23... Rab8) 24. Qa4 Rd8 (24... Qxa4 25. Nxa4 Kg7 $15 {Wh has a bad B , while
Bl's Bs are very useful}) 25. Qxd7 Rxd7 26. Na4 {the N is going offside -
where will it go to from here?} (26. Ne2 $11) 26... Rf8 (26... e6 $17) 27. Rb5
e6 28. Rfb1 exd5 29. cxd5 f5 $19 30. exf5 Bxf5 31. Bxf5 Rxf5 32. Nb2 Bd4 33.
Nd1 Rdf7 $19 (33... Rxd5 $19) (33... Re7 $19) 34. Rb8+ Kg7 35. Re8 Rxd5 $19 (
35... h5 $19) 36. Rbb8 Kg6 (36... c4 37. Rec8 Rc5 38. Rxc5 Bxc5 $19 {
Stockfish11}) 37. Rbd8 Rb7 38. Ne3 Bxe3 (38... Rb1+ 39. Nf1 (39. Kh2 Bxe3 40.
fxe3 {transposes to game}) 39... Bf6 40. Re6 Rdd1 41. Kh2 Rxf1 42. g4 Rxf2) 39.
fxe3 (39. Rxe3 Rb1+ 40. Kh2 g4 $19) 39... Rb1+ (39... Kh5) 40. Kh2 Rdd1 (40...
Kh5 41. g4+ Kh4 42. Rb8 Ra1 43. Re4 Rd2 44. Rc4 Raa2 $19 {Stockfish11}) 41. g4
Kf7 42. Rf8+ Ke6 43. Rde8+ Kd7 (43... Kd5 {running forward to shelter}) 44.
Rd8+ Kc6 45. Rf6 Rb3 (45... Rb7 46. Rxh6 Re7) 46. e4 Re3 47. Ra8 Rxe4 48. Rxa7
Ree1 $19 (48... c4 $19) (48... Rxg4 $19) 49. Ra6+ Kc7 (49... Kb5 50. Raxd6 Rxd6
51. Rxd6 c4 $19) (49... Kd7) 50. Ra7+ (50. Rf7+ Kb8 51. Rb6+ Kc8 52. Rc6+ Kb8 (
52... Kd8 53. Ra6 Ke8 54. Rh7 $19) 53. Rb6+ $11 {perpetual- Stockfish11}) 50...
Kd8 (50... Kc6 $19) (50... Kb6 $19 51. Rd7 c4) 51. Rff7 (51. Rf8+ Re8 52. Rff7
{mating soon}) 51... Rh1+ 52. Kg3 Rd3+ 53. Kf2 Ke8 54. Rfb7 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.15"]
[Round "3.1"]
[White "Young, Alan"]
[Black "Zeidler, Sven P."]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2051"]
[BlackElo "2186"]
[Annotator "kemen"]
[PlyCount "93"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,93,19,31,38,34,66,72,79,77,86,61,60,47,59,35,59,43,72,63,70,62,59,24,
64,25,26,24,29,5,28,20,1,15,-4,-4,69,61,94,21,186,66,159,186,186,178,178,178,
172,119,117,102,103,83,151,140,166,177,222,220,226,226,241,238,241,236,252,236,
249,190,184,194,262,241,246,203,218,199,202,198,209,211,209,211,243,234,274,
279,283,282,281,584,599,692,703,741]} 1. e4 Nc6 2. Nf3 d6 3. d4 Nf6 4. Nc3 g6
5. h3 Bg7 6. Be3 a6 7. Qd2 O-O 8. d5 Nb8 (8... Na7 $5 {0.5-1.5}) 9. Bh6 b5 10.
Bxg7 Kxg7 11. a3 $146 {Stockfish11} (11. Bd3 {all 3 results in 3 games}) 11...
c6 12. dxc6 Nxc6 13. Be2 Bb7 14. O-O {a Sicilian-type position has been
reached, transposing to games already played} Rc8 (14... Ne5 {Stockfish11} 15.
Qd4 Qc7 16. Rfe1 Rac8 17. Nd2 Qc5 {Annaberdiev-Semiev, Alushta Summer 2005,1/
2-1/2}) (14... Qc7 15. Rfd1 Rfd8 16. Nd5 Nxd5 17. exd5 Ne5 18. Qe3 Rac8 19.
Rac1 Re8 20. Rd4 Nxf3+ 21. Bxf3 Qc5 22. Qd2 $11 {Franciskovic-Kaksa, CRO ch tm
U20, 2007,1-0}) 15. Rad1 Qb6 {Stockfish11} (15... Qa5 $11 {1.5-0.5}) 16. Nd5
Nxd5 17. exd5 Na5 (17... Ne5 $11) 18. Rfe1 $16 (18. b3 $16 {Stockfish11}) 18...
Rc7 19. Nd4 (19. b3 $18) (19. b4 Nc4 20. Bxc4 bxc4 21. Nd4 $16 {both
Stockfish11}) 19... h6 (19... Bxd5 20. Nf5+ gxf5 21. Qg5+ Kh8 22. Rxd5 $16 {
Stockfish11}) 20. Qe3 $18 Kh7 21. Ne6 (21. b4 Nc4 22. Bxc4 bxc4 23. Ne6 Qxe3
24. Nxf8+ Kg8 25. fxe3 Kxf8 26. e4 $18 {Stockfish11}) 21... Qxe3 22. Nxf8+ Kg7
23. fxe3 Kxf8 24. b4 (24. Rd2) 24... Nc4 25. Bxc4 Rxc4 26. Re2 (26. e4 Rc3 27.
Rd2 Rxa3 28. Rd3 $18 {Stockfish11}) 26... Rc3 (26... f5) 27. Rd3 Rxd3 28. cxd3
Ke8 (28... Bxd5 29. Rc2 Ke8 30. Rc7 Kd8 31. Ra7 $18 {Stockfish11}) 29. e4 Kd8
30. Rc2 {sooner or later the R will be able to force an entry} Bc8 31. Kf2 Bb7
32. Ke3 Bc8 33. Kd4 Bb7 34. e5 (34. h4) 34... Kd7 35. Re2 Kd8 36. Rf2 (36. e6
f6 37. g4 Bc8 38. h4 Kc7 39. Rf2 Kb6 40. g5 $18 {Stockfish11= the B is just
out of the game}) 36... Ke8 37. a4 bxa4 38. Ra2 Kd7 39. Rxa4 Kc7 40. Ra2 Kd7
41. Rf2 Ke8 42. e6 f6 43. g4 Kd8 44. h4 Ke8 45. g5 hxg5 46. hxg5 fxg5 47. Rh2
1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.15"]
[Round "3.2"]
[White "Williams, A. Howard"]
[Black "Pleasants, Allan J"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2246"]
[BlackElo "2028"]
[Annotator "kemen"]
[PlyCount "83"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,83,36,22,22,-22,47,45,32,36,31,26,54,21,18,28,26,13,19,30,64,64,62,51,
58,67,64,43,66,65,65,69,89,69,84,77,82,81,95,94,97,103,123,130,153,142,154,140,
148,156,169,144,175,146,168,169,193,195,195,189,248,251,252,327,301,180,175,
169,199,242,242,271,279,159,159,170,176,176,206,230,217,235,232,225,218,222]} 
1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 O-O 5. Bg5 c5 (5... d6 {main}) 6. e3 (6.
d5) 6... cxd4 7. exd4 d6 (7... d5 {Bl gets good play for the gambitted pawn} 8.
Bxf6 Bxf6 9. Nxd5 Bg7 10. Nc3 Bg4) 8. Be2 Nc6 9. d5 {at 75%; scores better for
Wh than the more frequent} (9. O-O {48% for Wh}) 9... Nb4 {Stockfish11} (9...
Nb8 {4.5-1.5}) 10. O-O (10. a3 Na6 11. b4 Bg4 12. Rc1 Rc8 13. Qb3 Nb8 14. O-O
Nbd7 15. Nb5 a6 16. Nbd4 $16 {Certic-Starcevic, Belgrade Winter op 2004,1-0})
10... Na6 11. Nd4 Nc5 12. Be3 (12. Bf3 $5) 12... a5 13. Bf3 Bd7 14. Re1 {
Stockfish11} (14. b3 {also considered by Stockfish11}) 14... Rc8 15. Rc1 (15.
h3 $5) 15... Qb6 16. Ndb5 Bxb5 17. Nxb5 Nfd7 18. b3 {Bl is in a cramped
position} Ne5 19. Be2 f5 20. f4 $18 Nf7 21. Bf3 g5 {this leaves Bl with more
problems on the K side as Wh's pieces are better placed to exploit any opening
of the position} 22. g3 (22. fxg5 $18 {is also good}) 22... g4 23. Bg2 Nh8 24.
Qc2 (24. h3 h5 25. hxg4 hxg4 {Stockfish11- & Wh will make more use of the h
file}) 24... Qd8 25. Nd4 Qd7 26. a3 {Wh is no hurry & takes up more Q side
space.} (26. Ne6 Nxe6 27. dxe6 Qc7 28. h3 $18 {Stockfish11}) (26. h3 Bxd4 27.
Bxd4 Ng6 28. hxg4 fxg4 29. Bxc5 Rxc5 30. Be4 Rf6 31. Kg2 $18 {Stockfish11})
26... Ng6 (26... a4 27. b4 Bxd4 28. Bxd4 Nb3 29. Qc3 Ng6 30. Rc2 Nxd4 31. Qxd4
Qd8 32. h3 $18 {Stockfish11}) 27. b4 axb4 28. axb4 Na6 29. Qb3 Kh8 (29... Bxd4
30. Bxd4 Rf7 31. Bf2 $18 {Stockfish11}) 30. Ne6 Rf7 31. c5 Qb5 32. cxd6 (32. c6
$1 bxc6 33. dxc6 Rf6 (33... Qxb4 34. Qa2 Ra8 35. Qxa6 Rxa6 36. c7 $18 {
Stockfish11}) 34. Rb1 Nc7 (34... Nc5 35. Qd5) 35. Nd4 Qb8 36. b5 e5 37. b6 exd4
38. Bxd4 Rf7 39. Qc4 (39. Qxf7) 39... d5 40. Bxg7+ Rxg7 41. Qd4 Na6 42. Ra1 $18
{Stockfish11}) 32... Rxc1 33. Rxc1 exd6 34. Rc8+ Nf8 35. Bd2 Qe2 36. Nxg7 (36.
Qc2) (36. Qe3 Qxe3+ 37. Bxe3 Nxb4 38. Bc1 Na6 39. Ba3 Nc5 40. Bxc5 dxc5 41. d6
$18 {Stockfish11}) 36... Kxg7 37. Qc3+ Kg6 (37... Kg8 38. Qd4) 38. Bf1 Qe4 39.
Bd3 Qf3 40. Bxa6 Qxc3 41. Bxc3 bxa6 42. Rc6 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.15"]
[Round "3.3"]
[White "Jones, Iolo C"]
[Black "Harding, Gareth"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2163"]
[BlackElo "1557"]
[Annotator "kemen"]
[PlyCount "109"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

1. d4 e6 2. Nf3 d5 3. c4 Nf6 4. Nc3 Be7 5. Bf4 (5. Bg5 {main}) 5... O-O 6. e3
c6 (6... c5 {main}) 7. Bd3 Nbd7 8. h3 dxc4 9. Bxc4 Nb6 (9... b5 10. Bd3 Bb7 (
10... a6)) 10. Be2 (10. Bd3) (10. Bb3 {main lines; seeking more control over
the centre- though the B might get to f3}) 10... Nbd5 11. Nxd5 (11. Bh2 Bb4 12.
Qb3 Qa5 13. Rc1 Ne4 14. O-O Bxc3 15. bxc3 Nexc3 16. Bd3 Na4 (16... f5) 17. e4
Nf6 18. Bd6 Nb6 (18... Re8 19. Bb4 Qc7 20. Qxa4) 19. e5 Nfd7 20. Rfe1 Qa4 21.
Qc3 Nd5 22. Qd2 {Matt-Prager, Bundesliga Ost 2019,1-0}) (11. Be5 Qa5 12. O-O
Nxc3 13. bxc3 Qxc3 14. a4 $11 {Stockfish11}) 11... exd5 (11... Nxd5) 12. O-O h6
(12... Bf5 $11) 13. Ne5 (13. Bd3 {Stockfish11}) 13... Be6 14. Rc1 (14. a4 Bd6
15. a5 a6 16. Nd3 Bxf4 17. Nxf4 Bf5 $11 {Stockfish11}) (14. Qb3 Qb6 $11) 14...
a5 15. Qb3 Bc8 $11 (15... Qc8 $11) 16. Bd3 a4 17. Qd1 (17. Qc3 $11) 17... Qb6 (
17... a3 18. b3 Be6 $11 {Stockfish11}) 18. Qe2 (18. Rb1 c5 19. dxc5 Bxc5 20.
Nf3 Bd7 21. b4 Be7 22. a3 Rac8 23. Rc1 Rxc1 24. Qxc1 Rc8 25. Qa1 Bb5 26. Bf5
Rd8 27. Rc1 Bc4 28. Qb1 Bd6 29. Bxd6 Qxd6 30. Nd4 $14 {()tockfish11}) 18... Be6
19. Bb1 (19. a3) 19... Rad8 20. Nd3 a3 (20... Bf5 $11 {Stockfish11}) 21. b3 $14
(21. Rc3 axb2 22. Rb3 Qa7 23. Qxb2 b5 24. Rc1 Bd7 25. Ne5 $16 {Stockfish11})
21... Bf5 (21... Rfe8) 22. f3 {controls e4, but leaves e3 a little vulnerable}
(22. b4 Qa6 23. Qd1 $16 {Stockfish11}) 22... Rfe8 $11 23. Qd2 Bf8 24. Bg3 Be7
$11 (24... Bg6 $11) 25. Bf2 Qc7 26. Bc2 (26. b4 $11) 26... Bd6 27. Ne1 (27. b4
$11) 27... Bxc2 28. Nxc2 (28. Rxc2) 28... Qe7 $15 {Bl is centralized- a3 is
weak, but so could e3 be. However if a3 drops, a Wh piece or two will be
temporaliry displaced- while e3 is nearer to crucial Wh squares} 29. Qe1 g5 30.
Bg3 Nh5 31. Bxd6 Qxd6 $15 {the Bl pieces are slightly better placed} 32. Qd2
Rd7 $17 33. Rfe1 Rde7 $17 (33... Ng3 34. Qf2 f5 $19 {Stockfish11}) (33... f5
$19 {Stockfish11}) 34. b4 Ra8 (34... f5 {Bl should continue with the K side
buildup} 35. b5 g4 36. hxg4 fxg4 37. fxg4 Ng3 $17 {Stockfish11- which suggests
Whneeds to try e4 to get some K protection underway}) 35. Rb1 (35. b5 Ra4 36.
bxc6 bxc6 37. Rb1 Ng3 $11 38. Rb6 Nf5) 35... f5 $15 36. Qd3 f4 (36... Rae8 $15
37. Qxf5 Rf8 38. Qd3 Ref7 39. Qxa3 Rxf3 $15 {Stockfish11}) 37. e4 (37. exf4
Nxf4 (37... Rae8 38. fxg5 Nf4 39. Rxe7 Rxe7 40. Qf5 Ne2+ 41. Kf2 Qg3+ 42. Kf1
Qh2 43. Kf2 Qg3+ $11) 38. Qd2 Rae8 39. Rxe7 Rxe7 40. Re1 Rxe1+ (40... Nxh3+ 41.
gxh3 Qg3+ 42. Kh1 Qxh3+ 43. Qh2 Rxe1+ 44. Nxe1 Qf1+ 45. Qg1 Qh3+ 46. Qh2 Qf1+
$11) 41. Qxe1 Kg7 $11 {Stockfish11}) 37... dxe4 38. Rxe4 Rxe4 39. Qxe4 (39.
fxe4 Rf8 40. e5 Qd5 41. Qxa3 Ng3 42. Qb3 Ra8 $11 {Stockfish11-Bl seems to have
enough counterplay each time Wh tries for an advantage on the Q side}) 39...
Ng3 $11 (39... Qd5 $11) (39... Kg7 $11) (39... Qf6 $11) 40. Qd3 Re8 41. Nxa3 (
41. b5 Re2 42. bxc6 Qxc6 (42... bxc6 43. Rb7 Kf8 $11) 43. Nxa3 Re3 44. Qc4+
Qxc4 45. Nxc4 Rd3 46. Ne5 Rxd4 47. h4 (47. Rxb7 $2 Rd1+ 48. Kf2 (48. Kh2 Rh1#)
48... Rf1#) 47... b5 $11) 41... Qxd4+ (41... Re3 $1 {Stockfish11} 42. Nc4 (42.
Qc4+ Kg7 $19 43. Nc2 Rc3 $1 $19) 42... Rxd3 43. Nxd6 b5 44. h4 Rxd4 45. Nb7 Rd2
46. Nc5 Rxa2 $17 {Stockfish11}) 42. Qxd4 Ne2+ 43. Kf1 (43. Kf2 {a little better
} Nxd4 44. Rd1 Nf5 45. Nc4 b5 46. Na5 Re6 $15 {Stockfish11}) 43... Nxd4 $15 44.
Rd1 (44. Nc4 Ra8 45. Rb2 Nf5 $15) 44... Nf5 $17 {shortly from now on both
players were surviving on increments} 45. Nc4 (45. Rd2 Ne3+ 46. Kf2 Ra8 47. Nb1
Nc4 48. Re2 Kf7 49. g3 Ne3 $15 {the Bl pieces are more active & Wh has to take
care to keep his K safe}) 45... Ng3+ (45... b5 $19 46. Nd6 (46. Na5 Ne3+ 47.
Ke1 Nxd1+ 48. Kxd1 Ra8 49. Kc2 c5 $19) 46... Rd8 47. Nxf5 Rxd1+ $19) 46. Kg1
Re2 $17 47. a4 {perhaps Wh was still hoping to have some winning chances?} (47.
Nd6 Rxa2 48. Nxb7 Nf5 $17) 47... Re7 (47... Ra2 $1 {Stockfish11- keeps the R
attacking rather than defending a pawn} 48. a5 (48. Nd6 Rxa4 49. Rb1 (49. Nxb7
Rxb4 $19) 49... b5 $19 (49... Ra2 50. Nxb7 Nf5 51. Kh1 Rc2 52. Rg1 Kf7 $17) 50.
h4 Ra2 51. Re1 Rd2 52. Nb7 Nf5 53. hxg5 hxg5 54. Re5 Ng3 55. Re1 Kf7 56. Na5
Rc2 57. Nb3 Kf6 $19 {the Wh pieces are tied down, having to see to the
security of their K} 58. Nc5 Re2 59. Rb1 Rd2 60. Re1 Rd4 61. Na6 Nf5 62. Kh1
Ne3 63. g3 Rc4 64. gxf4 gxf4 65. Kg1 Ke5 (65... Nc2) (65... Rc2) 66. Kf2 Kd4
$19 {Stockfish11}) 48... Ra4 49. Rb1 c5 50. Kf2 Rxb4 $19 (50... cxb4 $19)) 48.
a5 $11 Kf7 49. Nd6+ Ke6 50. Nc8 (50. Nc4) 50... Rd7 51. Re1+ (51. Rxd7 Kxd7 52.
Nb6+ Kc7 53. h4 $11 {Stockfish11}) 51... Kf7 (51... Kf5) 52. Nb6 Re7 53. Rd1 (
53. Rxe7+ Kxe7 54. Na4 Kd6 $11 {Stockfish11}) 53... Ke6 (53... Kg6) 54. Kf2 Kf7
55. Rd7 $11 {however Wh lost on time} 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.15"]
[Round "3.4"]
[White "Heap, Gerry"]
[Black "Hewitt, William"]
[Result "1/2-1/2"]
[ECO "A39"]
[WhiteElo "2111"]
[BlackElo "1990"]
[Annotator "kemen"]
[PlyCount "90"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

1. g3 Nf6 2. c4 g6 3. Bg2 Bg7 4. Nc3 O-O 5. e4 d6 6. Nge2 c5 7. O-O Nc6 8. d4 (
8. d3 {main}) 8... cxd4 9. Nxd4 Nxd4 {47% for Wh} (9... Nxe4 {Stockfish11=21%
for Wh} 10. Nxc6 Nxc3 11. Nxd8 Nxd1 12. Nxb7 Bxb7 13. Bxb7 Rab8 14. Rxd1 Rxb7
15. Rb1 Rc8 16. b3 Rxc4 {2-4}) 10. Qxd4 Bd7 (10... Be6 {main}) (10... Nd7) 11.
Qd3 Bc6 12. Bd2 (12. Bf4 $16 {Stockfish11- not yet played}) 12... a5 (12... Nd7
{2-0}) 13. b3 $14 Nd7 14. Rad1 (14. Rac1 $14 {2-0}) (14. Qe2 $14 {Stockfish11-
not yet played}) 14... Nc5 (14... a4 15. Nd5 axb3 16. axb3 Nc5 $11 {Stockfish11
}) 15. Qe2 b6 (15... Re8 16. h4 h5 17. Rfe1 $14 {Stockfish11}) 16. Nd5 (16. f4
Rc8 17. g4 Re8 18. Rf3 (18. Be1) 18... e6 19. Rh3 f5 $11 {Stockfish11}) 16...
e6 17. Nf4 Qc7 $11 (17... Qb8 $11) 18. Nd3 Rad8 19. Bg5 Rd7 20. Bf4 f6 (20...
Rfd8 $11 {Stockfish11}) (20... e5 21. Nxc5 dxc5 22. Rxd7 Bxd7 $11 {Stockfish11}
) 21. h4 (21. Nxc5 bxc5 22. h4 a4 $11 {Stockfish11}) 21... e5 22. Bc1 (22. Nxc5
dxc5 23. Rxd7 Bxd7 24. Be3 Bc6 25. Rd1 Rd8 $14 {Stockfish11}) 22... Ne6 23. Bb2
(23. f4 Nd4 $11) 23... Qb7 (23... b5 $11) 24. Bh3 (24. f4 b5 25. f5 gxf5 26.
exf5 Nc7 27. Bxc6 Qxc6 28. Nf2 bxc4 29. bxc4 Rc8 30. Ne4 Na6 $11 {Stockfish11})
24... f5 25. f3 Re7 26. exf5 gxf5 $15 27. Rde1 (27. Qf2) 27... e4 {dissipates
Bl's advantage} (27... b5 $17 {Stockfish11}) 28. fxe4 Nd4 29. Bxd4 Bxd4+ 30.
Kh2 Bxe4 31. Bxf5 $6 (31. Qd2 $16 {Bl has 2 Bs, but split pawns} b5 32. Nf2
Bxf2 33. Rxf2 bxc4 34. bxc4 Qc7 35. Bg2 Bxg2 36. Rxe7 Qxe7 37. Kxg2 Qe4+ 38.
Kh2 Qxc4 39. Qxd6 $14 {Stockfish11}) 31... Bxf5 32. Qxe7 Qxe7 33. Rxe7 Bxd3 34.
Rd1 Rf2+ 35. Kh3 {now the Bs & R can create multiple mating nets, forcing the
win of a Wh R for one of the Bs} (35. Kh1 Rf3 (35... Rf1+ 36. Rxf1 Bxf1 $17)
36. Kg2 Rf2+ 37. Kh1 $11) 35... Bf6 $19 (35... Bf1+ 36. Kg4 Be5 37. Re1 Be2+
38. Kh3 (38. Kg5 Bf6+) 38... h5 {threatening mate, forces Wh to give up one of
his Rs}) 36. Re3 (36. Re8+ Kf7 37. Rxd3 Kxe8 $19 {best try-Stockfish11}) 36...
Bf1+ 37. Kg4 Be2+ (37... Be5 $1 38. Rde1 Kg7 39. h5 (39. Kh5 Rf5+ 40. Kg4 Kg6
41. h5+ Kf6 42. Rd1 Bg2 43. Rd2 Bc6 44. Red3 Be4 45. Re3 (45. Rxd6+) 45... Rg5+
46. Kh4 Bf5 47. Rf3 Rg4+ 48. Kh3 Rxg3+ 49. Kh2 Rxf3+ $19) 39... a4 40. Kg5 (40.
bxa4 Bxc4 41. Kh4 Be6 42. g4 Rh2+ 43. Rh3 Rg2 {mating} 44. Re4 (44. Rg3 Rxg3
45. Rxe5 Rxg4+ 46. Kh3 dxe5 47. a5 bxa5 48. a3 Kh6 49. a4 e4 {Qs & mates-
Stockfish11}) 44... Bf6+ 45. g5 Bxg5#) 40... h6+ 41. Kg4 a3 {Zugzwang}) 38.
Rxe2 Rxe2 39. Rxd6 Be7 40. Rxb6 Rxa2 41. Kf5 Kf7 42. Rb5 a4 43. bxa4 Rxa4 44.
c5 Rc4 45. g4 (45. Ra5 {holds, as if} Rxc5+ 46. Rxc5 Bxc5 47. Kg4 {the Wh K
retreats to h1& Bl's B is the wrong colour}) 45... Rxc5+ (45... Bxh4 $1 {
gives Bl winning chances though, if now the c pawn can be taken by by the B
retaining Rs.} 46. g5 (46. Rb7+ Be7 47. Rc7 Rd4 48. c6 Rc4 49. Rc8 Rc5+ 50. Kf4
Bf6 51. Rc7+ Kg6 52. Ke4 Bc3 53. Kd3 Be5 54. Rc8 Kg5 55. c7 (55. Rg8+ Kf4 56.
g5 Rxc6 {Bl mates in 26, Lomonosov tablebases}) 55... Bg7 56. Re8 (56. Ke4 Kxg4
{Bl mates in 25, Lomonosov}) 56... Rxc7 {Bl mates in 28, Lomonosov tablebases})
46... Bg3 47. Rb7+ Kg8 48. Kf6 Rxc5 {and Bl mates in 44 moves,Lomonosov table
bases; longest starting with Rg7ch}) 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.15"]
[Round "3.5"]
[White "May, Frank"]
[Black "Powell, Lloyd"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2019"]
[BlackElo "2064"]
[Annotator "kemen"]
[PlyCount "52"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Bd3 Nbd7 8.
Nge2 (8. Qc2) 8... h6 9. Bh4 O-O 10. O-O Re8 11. Qc2 Nf8 (11... Ne4 12. Bxe7 {
main, 64% for Wh}) 12. f3 {72% for Wh} Ne6 13. Rad1 b6 14. Bf2 (14. Kh1) 14...
Bb7 15. h3 {5 Wh wins, 1 draw, 2 Bl wins} (15. Bf5 {5 Wh wins, 1 draw}) (15.
Kh1 {13 Wh wins, 4 draws, 3 Bl wins}) 15... Rc8 (15... c5 $16 {Stockfish11; 2
Wh wins, 2 draws, 2 Bl wins}) 16. e4 {3-0} a6 (16... Nh5) (16... c5 {played})
17. e5 Nd7 18. f4 c5 19. Qd2 (19. Bf5) 19... Qc7 20. Bb1 $18 Red8 21. Qd3 Ndf8
22. Kh1 (22. Rc1 Bc6 23. f5 Nxd4 24. f6 $18 {Stockfish11}) (22. f5 Ng5 23. h4
Ne4 24. f6 gxf6 25. Qf3 $18 {Stockfish11- the Bl K side is opened while most
of the Bl pieces are across on the Q side}) 22... cxd4 23. Bxd4 (23. Nxd4 $18
Nxf4 24. Qf3 N4e6 25. Bg3 Bc5 26. Nf5 Ng6 27. Qh5 $18 {Stockfish11}) 23... Nc5
(23... Rd7 24. Qg3 $16 {Stockfish11}) 24. Qe3 (24. Qg3 Ne4 25. Bxe4 dxe4 26. f5
Bc5 27. Bxc5 Qxc5 {Stockfish11}) 24... Nfe6 25. f5 (25. Bf5 Kh8 26. Bxe6 fxe6
27. Qg3 $16 {Stockfish11}) (25. b4 Nxd4 (25... Nd7 26. a3 Nxd4 27. Rxd4 Nf8 28.
Ba2 $18) 26. bxc5 Ne6 27. cxb6 Qc6 28. Qd3 Nf8 29. f5 $18 {Stockfish11}) 25...
Nxd4 (25... Bg5 26. Qg3 Nxd4 27. Rxd4 (27. Nxd4 Bf6 $17) 27... Ne4 $11 {
Stockfish11}) 26. Nxd4 Ne4 {(draw?)} (26... f6 $11 {Stockfish11} 27. e6 (27.
exf6) 27... Qe5 28. Rfe1 Ne4 $11) (26... Ne4 27. f6 $18 (27. Nxe4 dxe4 28. f6
Bc5 29. Qg3 g6 30. Ne6 $1 Rxd1 31. Rxd1 Bf2 (31... fxe6 32. Qxg6+ Kf8 33. Qxh6+
Ke8 34. Qg6+ Kf8 (34... Qf7 35. Bxe4 Rc7 36. Bb1 $18) 35. a3 $18) 32. Qxf2 Qxe5
(32... fxe6 33. Qd4 $18) 33. Nf4 Qxf6 34. Kg1 $18 {Stockfish11}) 27... Bc5 28.
Rf5 g6 29. Qxh6 Ng3+ 30. Kg1 Nxf5 31. Bxf5 Bf8 32. Qf4 $18 Re8 (32... gxf5 33.
Rd3 {mating}) 33. Bxc8 Bxc8 34. Nf3 {Stockfish11}) 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.15"]
[Round "3.6"]
[White "Bourne, Johnathan D"]
[Black "Waddington, Mike P"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "1904"]
[BlackElo "2046"]
[Annotator "kemen"]
[PlyCount "89"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,89,19,28,13,1,20,-3,10,31,50,-33,18,-44,4,14,47,38,50,41,24,28,32,40,
51,56,60,53,54,74,109,114,113,80,86,84,89,73,90,75,88,73,93,63,103,113,104,95,
83,85,97,97,101,116,92,105,167,153,230,254,282,273,260,276,313,274,274,268,271,
294,374,333,333,266,327,333,343,736,858,1161,1423,1537,1705,1932,1192,2959,
29975,29976,29997,29998,29999,-30000]} 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. c3 Bg4 (
4... Nf6) 5. Qa4+ (5. Bc4) (5. h3 {main lines}) 5... Nd7 $15 (5... Qd7 {0.5-1.5
}) (5... c6 {0-2}) 6. Be2 c6 (6... Qe7 7. d4 $14 exd4 8. cxd4 Qxe4 9. Nc3 Qe7
10. dxc5 {Rodriguez Guerras-Villar Moron, Mondragon Arriasate Hiria op 2005,1-0
}) (6... Ngf6 $17 7. d4 exd4 8. cxd4 Bb6 9. Nc3 O-O 10. O-O Re8 11. Bd3 c5 12.
Be3 cxd4 13. Bxd4 Nc5 {Garcia Serrano-Sirera Ripoll, Madrid ch 2016,0-1}) 7. d4
Bxf3 (7... Bb6 $11) 8. Bxf3 Bb6 9. O-O (9. Na3) 9... Ngf6 10. Be3 O-O 11. Nd2
Re8 12. Rae1 Bc7 (12... Nf8) 13. Qc2 (13. g4 $16) 13... b5 14. g4 Nb6 (14...
Nf8 15. g5 N6d7 16. h4 $16 {Stockfish11}) 15. g5 Nfd7 16. Bh5 (16. h4 $18) (16.
f5 $18) (16. Re2 $18) 16... exf4 (16... g6 17. Bd1 $18) 17. Bxf4 $18 g6 18. Bf3
(18. Bg4) 18... Nf8 19. h4 a5 20. Qd3 (20. Bg3 $18) (20. d5 $18) 20... Qd7 (
20... d5) 21. Rf2 d5 22. Bxc7 Qxc7 23. e5 $18 Nc4 24. Nf1 b4 25. Nh2 bxc3 26.
bxc3 (26. Qxc3) 26... Ne6 27. Bg2 (27. Ng4) 27... Re7 28. Ng4 Ra7 29. Ref1 Qd8
30. Bh3 Kg7 31. Nh6 c5 32. Qf3 (32. Bxe6 fxe6 33. h5 $18 {Stockfish11}) 32...
Re8 33. Nxf7 Qe7 34. Nh6 cxd4 (34... Nxg5 35. hxg5 Qxg5+ 36. Ng4 h5 37. Qf6+
Qxf6 38. exf6+ (38. Nxf6 $18) 38... Kf8 39. f7 Ree7 40. Nf6 $18 {Stockfish11})
35. Bxe6 Qxe6 36. cxd4 a4 37. Qg3 Qb6 38. Rf7+ Rxf7 39. Rxf7+ Kh8 40. Qf2 Qb1+
41. Kh2 Qb2 42. Qxb2 Nxb2 43. e6 (43. Ng4 Re6 44. Nf6 Rxf6 45. gxf6 $18 {
Stockfish11}) 43... Rxe6 (43... Nc4 44. e7 Nd6 45. Rf6 $18) 44. Rf8+ Kg7 45.
Rg8# 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.15"]
[Round "3.7"]
[White "Miles, Richard"]
[Black "Richmond, Jane"]
[Result "1/2-1/2"]
[ECO "E42"]
[WhiteElo "1968"]
[BlackElo "2101"]
[Annotator "kemen"]
[PlyCount "10"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,10,26,26,26,-21,-11,-21,4,28,26,7,27]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4
4. e3 c5 5. Nge2 cxd4 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.15"]
[Round "3.8"]
[White "Garcia, Jason"]
[Black "Jones, Martin C"]
[Result "1-0"]
[ECO "A09"]
[WhiteElo "2029"]
[BlackElo "1745"]
[Annotator "kemen"]
[PlyCount "47"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,47,26,26,23,-22,5,-16,-16,-23,22,18,-9,-11,-13,-13,-2,-19,-1,-1,24,-5,
57,59,58,19,10,4,69,62,62,71,67,65,89,67,77,42,18,4,4,10,46,50,85,57,57,57,365,
348]} 1. Nf3 d5 2. c4 d4 3. e3 (3. g3) 3... Nc6 4. b4 (4. exd4) 4... Nxb4 (4...
dxe3 5. fxe3 Nxb4 {main}) (4... Bg4) 5. exd4 e6 {3 Wh wins, 1 draw, 3Bl wins} (
5... e5 {2 Wh wins, 2 draws,1 Bl win}) 6. a3 Nc6 7. Bb2 Nf6 8. g3 (8. d3 Be7 9.
g3 O-O 10. Bg2 Ne8 11. Nbd2 Nd6 12. Ne5 (12. d5 exd5 13. cxd5 Nb8 14. O-O Bf5
15. Nc4 Bg4 16. Ne3 Bxf3 17. Qxf3 Bf6 18. Bxf6 Qxf6 19. Qxf6 gxf6 20. Rfc1 Na6
21. d4 {Shamkovich-Goldenov, URS ch 1964,1-0}) 12... Nxe5 13. dxe5 Nf5 14. Be4
Rb8 15. a4 b6 16. O-O Bb7 {Semjonovs-Sulskis, Panevezys Elite op 2019,0-1})
8... Be7 9. Bg2 O-O 10. O-O Bd7 (10... Ne8 $11 {Stockfish11} 11. Qa4 Bf6 12. c5
Ne7 13. Nc3 Bd7 14. Qc2 Bc6 15. Ne4 Nf5 {Neubert-Lins, GER corr 1994,0-1}) 11.
d3 $14 Rb8 12. a4 (12. Nbd2) 12... Nb4 13. Ne5 c5 (13... Bc6 $11 {Stockfish11})
14. dxc5 Bxc5 15. d4 $16 Be7 16. Nc3 a6 17. d5 exd5 18. cxd5 (18. Nxd5 Nbxd5
19. cxd5 Bd6 20. Nxd7 Nxd7 21. a5 $16 {Stockfish11}) 18... Bf5 19. Qf3 Bc2 20.
Rfc1 Bd6 (20... Rc8 $11) (20... h6 21. Ba3 Bh7 $11 {Stockfish11}) 21. Nc4 (21.
Ba3 a5 22. Nc4 Bc5 23. Bxb4 axb4 24. Rxc2 bxc3 25. d6 (25. Qxc3 Nxd5 26. Qe5
Nb4 27. Rd2 Bxf2+ 28. Kh1 Qc8 29. Qb5 Bc5 30. Rf1 $16) 25... Ne8 26. Rd1 Nxd6
27. Rd5 Qc7 28. Qxc3 Rfc8 29. Bh3 Rd8 30. Qe5 Bb4 31. Ne3 Qb6 32. Bg2 $18 Rbc8
33. Rxc8 Rxc8 34. Qb2 Rc6 35. h4 $18 {Stockfish11-looks like a lot of heavy
pressure, but as yet unclear as to how to force a win?}) 21... Rc8 (21... Bg6
22. Nxd6 Qxd6 23. Ba3 Qb6 24. Na2 Nxa2 25. Rxa2 Rfe8 26. d6 $16 {Stockfish11})
22. Nxd6 Qxd6 23. Ba3 Qb6 (23... Bg6 24. Na2 a5 25. Qb3 Nfxd5 26. Bxd5 Qxd5 27.
Qxd5 Nxd5 28. Bxf8 $18) 24. Bxb4 $18 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.15"]
[Round "3.9"]
[White "Barnaby, Nicholas M S"]
[Black "Taylor, Robert Graham"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "1750"]
[BlackElo "1844"]
[Annotator "kemen"]
[PlyCount "129"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,129,19,31,75,39,46,9,12,12,14,8,78,73,68,63,76,56,130,139,124,124,107,
81,83,76,75,74,86,73,86,77,79,62,87,60,99,93,114,69,158,53,52,56,66,66,67,49,
71,38,47,31,39,30,57,44,130,135,170,128,126,141,140,132,149,136,132,107,139,92,
161,152,152,158,136,143,122,120,126,114,107,102,90,88,88,86,91,95,89,93,89,105,
105,67,126,108,115,103,105,110,126,123,118,113,122,70,106,111,100,136,152,70,
67,73,63,15,8,0,0,0,16,29,19,0,0,0,0,0,0,0,0,0]} 1. d4 f5 2. Qd3 e6 (2... d5) (
2... d6) 3. e4 (3. g4) 3... fxe4 4. Qxe4 Nf6 5. Qh4 g6 (5... Be7 6. Bd3 O-O 7.
Bg5 g6 {1-1}) 6. Bd3 Bg7 7. Nf3 (7. Bg5 Qe7 (7... O-O 8. Nd2 c5 9. dxc5 Qa5 10.
Ngf3 (10. b4 $18) 10... Qxc5 11. O-O $14 {Krzyzanowski-Wozniak, Suwalki
Warakomska memorial 2017,1-0}) 8. Nc3 O-O 9. O-O-O Qf7 10. Nf3 Nc6 11. Kb1 (11.
Rhe1 $18) 11... a6 12. Bh6 Bxh6 13. Qxh6 Nb4 14. Ng5 Qg7 15. Qxg7+ Kxg7 16. Be2
Nbd5 17. Nxd5 Nxd5 18. Bf3 {Van Herck-Verrijssen- BEL CC ch 2001,1/2-1/2}) 7...
d6 8. O-O c6 (8... Nc6 9. c3 Qe7 10. Re1 Bd7 11. b4 Nh5 12. Bg5 Qf7 13. b5 Ne7
14. Nbd2 $16 {Stockfish11}) 9. Bh6 (9. Nc3 $18) (9. Bg5 $18) 9... O-O 10. Bxg7
(10. Nbd2 $18) (10. Re1 $18) 10... Kxg7 11. Nbd2 Nd5 12. Qxd8 Rxd8 13. c3 $14
Nd7 14. Rfe1 N7f6 15. g3 Nc7 16. Rad1 Rf8 17. Kg2 $16 Bd7 18. Nc4 Nce8 19. Re2
Rd8 20. Rde1 (20. Ng5 d5 21. Ne5 Bc8 22. h4 $18 {[%eval 0,0] Stockfish11- l
will struggle with the bad B}) 20... b5 21. Ncd2 Kg8 22. Bc2 Ng7 23. Bb3 a5 24.
a3 Bc8 25. Bc2 (25. Ng5 Nd5 26. c4 Nc7 27. c5 dxc5 28. dxc5 h6 29. Ngf3 Nf5 30.
h4 $16 {Stockfish11}) 25... Bb7 26. Be4 Nfh5 (26... Nxe4 27. Nxe4 c5 28. dxc5
dxc5 29. Ne5 Rf5 30. f4 g5 31. Nf3 Bxe4 32. Rxe4 gxf4 33. g4 (33. Rxf4 Rxf4 34.
gxf4 Nh5 $11) 33... Rf7 34. R1e2 $14 {Stockfish11}) 27. Ng5 Nf6 28. Bf3 b4 29.
axb4 (29. Nxe6 $18) 29... axb4 30. Nxe6 (30. c4 $5) 30... Nxe6 31. Rxe6 bxc3
32. bxc3 Bc8 33. R6e2 $16 (33. Re7 $16) 33... c5 34. Ne4 (34. Nf1) 34... cxd4 (
34... Nxe4 35. Bxe4 d5 36. Bc2 cxd4 37. cxd4 Kg7 38. Bb3 $16) 35. Nxf6+ Rxf6
36. Bd5+ Kf8 37. cxd4 $16 (37. Re7 d3 38. Rxh7 d2 39. Rd1 Be6 40. Bxe6 Rxe6 41.
Rxd2 $18 {Stockfish11-the 2 extra pawns & Bad Bl K placing should be enough})
37... Rf5 38. Bc6 (38. Bf3 h5 39. h4 $16) 38... Bd7 39. Bxd7 Rxd7 40. Re8+ Kf7
41. Rc8 Rd5 42. Rc4 (42. Re4) 42... Ra7 43. Re3 Kf6 44. h4 Rb7 45. g4 h6 46.
Kg3 Re7 (46... Ra5) 47. Kf3 (47. Rxe7 Kxe7 48. Kf3 Ke6 49. Ke4 Ra5 50. Rc8 h5 (
50... Ra2 51. Rh8 $18) 51. g5 Ra1 52. d5+ Kf7 53. Rc7+ Kf8 54. Rd7 $18 {
Stockfish11}) 47... Rd7 48. Rb4 Ra5 49. Kg3 g5 50. f4 (50. h5 $18 {the Bl h
pawn will get lost eventually}) 50... gxf4+ 51. Kxf4 Ra1 $16 52. d5 (52. Rb5)
52... Rf1+ (52... Kg7 $11) 53. Kg3 Rd1 (53... Rg1+ 54. Kf2 Rd1 $11 {Stockfish11
}) 54. Rf4+ (54. Re6+ $1 {Stockfish11-but it takes very careful calculation}
Kg7 55. h5 $18 Rxd5 56. Rf4 (56. Rg6+ Kh7 57. Rf4 Rg7 $11) 56... Rg5 57. Rff6
Kg8 58. Rxh6 Rdg7 59. Re8+ Kf7 60. Re4 Rd5 61. Rb4 Rd1 62. Rb7+ Kg8 63. Rxg7+
Kxg7 {and the 2 connected passed pawns win through}) 54... Kg7 55. Rf5 (55. Re6
h5 56. g5 Rxd5 57. Rh6 Rd3+ 58. Rf3 Rxf3+ 59. Kxf3 d5 60. Rxh5 d4 $11 {manages
to hold as the Wh R is cut off, & the Bl pawn far advanced- thus giving its R
space behind it- Lomonosov tablebases}) 55... Rg1+ 56. Kf4 Ra7 57. Re6 (57. h5
Raa1 58. Re6 Rgf1+ {perpetual}) 57... Ra4+ 58. Ke3 Rgxg4 $11 (58... Raxg4 $11 {
also}) 59. Rxd6 Ra3+ (59... Rxh4) 60. Kf2 Rxh4 61. Rd7+ Kg6 62. Rdf7 Rh2+ 63.
Kg1 Rd2 64. R7f6+ Kg7 65. Rf7+ 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.15"]
[Round "3.10"]
[White "Van Kemenade, Julie"]
[Black "Marin Marin, Francisco Javier"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1689"]
[BlackElo "1776"]
[Annotator "kemen"]
[PlyCount "132"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,132,51,19,40,44,53,-1,21,28,19,-57,-45,-45,-53,-58,-38,-52,-23,-34,
-34,-27,12,7,6,18,18,10,68,33,105,79,202,163,219,212,195,204,510,514,490,-38,
-52,-81,-75,-69,-73,-98,-57,-55,-47,-50,-51,-94,-93,-109,-110,-153,-152,-149,
-141,-141,-141,-132,-89,-233,-125,-145,-137,-230,-109,-170,-180,-189,-186,-186,
-180,-275,-180,-246,-180,-294,-167,-177,-162,-315,-185,-247,-192,-284,-179,
-180,-210,-213,-176,-321,-287,-337,-324,-344,-423,-447,-447,-481,-481,-530,
-352,-554,-539,-1061,-1316,-1534,-1962,-29983,-529,-593,-625,-674,-674,-674,
-642,-699,-715,-791,-862,-973,-968,-972,-964,-1160,-1227,-1854,-1858,-1977,
-2856]} 1. e4 c5 2. Nc3 e6 3. d3 (3. g3) (3. f4) 3... Nc6 4. Nf3 (4. g3) 4...
d5 5. Qe2 (5. exd5) (5. g3) 5... d4 {1 draw, 4 Bl wins} 6. Nb1 (6. Nd1) 6... e5
7. g3 Nf6 (7... f6 {Stockfish11- a reverse Samisch}) 8. Bg2 Be7 9. O-O O-O 10.
Nbd2 (10. a4) 10... b5 11. a4 b4 12. Nc4 Qc7 13. Nh4 (13. b3 Bb7 14. Nh4 g6 15.
Bd2 (15. f4 $16) 15... Nd7 16. Nf3 Bf6 17. Bh6 Bg7 18. Qd2 {Isler-Mella,
Zurich op 1992,0-1}) 13... Bb7 (13... Bg4) 14. Nf5 (14. f4 Ba6 15. Nxe5 Nxe5
16. fxe5 Nd7 17. e6 fxe6 18. Qg4 Rxf1+ 19. Bxf1 Nf8 20. Bf4 Bd6 21. Bxd6 Qxd6
22. b3 $14 {Stockfish11}) 14... Rfe8 15. f4 Nd7 (15... Bf8 16. fxe5 Nxe5 17.
Nxe5 Qxe5 18. b3 Kh8 19. g4 $16 {Stockfish11}) 16. Qg4 $18 Bf6 (16... Bf8 17.
Nh6+ $18) 17. Bh3 $18 (17. Nh6+ Kf8 (17... Kh8 18. Nd6 $18) 18. Qh5 gxh6 19.
fxe5 Ncxe5 20. Rxf6 Nxf6 21. Bxh6+ Ke7 22. Bg5 Rg8 23. Rf1 Rxg5 24. Qxg5 Neg4
25. e5 $18 {Stockfish11}) 17... Rad8 (17... Kh8 18. Nxg7 Bxg7 19. Qxd7 Qxd7 20.
Bxd7 Re7 21. Bxc6 Bxc6 22. fxe5 $18 {Stockfish11}) 18. Ncd6 $18 (18. Nh6+ Kf8
19. Qh5 gxh6 20. fxe5 Rxe5 21. Bxh6+ Ke7 22. Qf3 Ba6 23. Bxd7 Bxc4 24. Qxf6+
Kxd7 25. dxc4 $18) 18... Re6 (18... Ndb8) 19. Nh6+ Kf8 (19... Kh8 20. Ndxf7#)
20. Nhxf7 {the wrong N} (20. Ndxf7 $1 Re7 21. fxe5 (21. Nxd8 Qxd8 22. Nf5 $18)
21... Rxf7 22. exf6 Nxf6 23. Qh4 Ne5 24. Nxf7 Qxf7 25. Bg5 $18 {Stockfish11}) (
20. Nxb7 Qxb7 21. Nxf7 Re7 22. Nxd8 Nxd8 23. fxe5 Nxe5 24. Rxf6+ gxf6 25. Bh6+
Rg7 26. Qf5 $18 {Stockfish11}) (20. Nb5 Qb8 21. Nxf7 Re7 22. Nxd8 $18) 20...
Rxd6 21. Nxd8 (21. Nxd6 Qxd6 22. Qh5 Kg8 $17) 21... Qxd8 $17 22. Bd2 (22. Qh5
Kg8 23. b3) 22... Kg8 (22... c4 $19) 23. Rf2 (23. b3) 23... Be7 (23... c4) 24.
Raf1 Nf6 (24... exf4 25. Bxf4 Nde5 $19) 25. Qe2 Bc8 26. f5 (26. Bxc8 Qxc8 27.
b3 $17) 26... h6 (26... c4 $19) 27. g4 Nh7 28. g5 Bxg5 29. Bg4 Bxd2 30. Qxd2
Qh4 31. Rg2 Ng5 $19 32. Qe2 Rf6 (32... h5 33. Bxh5 Nh3+ 34. Kh1 Nf4 $19 {
Stockfish11}) 33. Qd1 Kh8 (33... h5) 34. Qe2 Nb8 35. Rg3 Nd7 36. Qg2 Rf8 37.
Bd1 Nf6 38. Kh1 Bd7 (38... c4 $19) 39. Rg1 Be8 (39... Bxa4) 40. Be2 Bh5 41.
Bxh5 Qxh5 42. h3 Rg8 43. Kh2 Qf7 (43... c4) 44. Qd2 Ngh7 45. Rg6 Nh5 46. Re6
N7f6 47. Rg6 (47. Rc6 c4 48. Rxc4 Nxe4 49. Qe2 Ng5 $19 {Stockfish11- the Ns
infiltrate}) 47... Nf4 48. Rexf6 gxf6 49. Rxh6+ Kg7 50. Rh4 Kf8 51. Rxf4 exf4
52. Qxf4 {there may be some chances of a perpetual?} Qe7 53. Qb8+ Kf7 54. Qb5
Qe5+ 55. Kh1 Rg3 56. Qd7+ Qe7 (56... Kf8 57. Qh7 Qf4 58. Qh8+ Ke7 59. Qh7+ Kd6
{mating- Stockfish11}) 57. Qd5+ Kg7 58. Kh2 Re3 59. Kg2 Re2+ 60. Kf3 Rxc2 61.
Kg4 Rxb2 (61... Kh6 {mating soon}) 62. h4 b3 63. h5 Rg2+ 64. Kh3 b2 65. Qa2 Re2
66. Qb1 Qf7 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.15"]
[Round "3.11"]
[White "Haigh, Tony"]
[Black "Orton, Paul"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1773"]
[BlackElo "1580"]
[Annotator "kemen"]
[PlyCount "37"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,37,34,34,34,-34,-4,12,24,28,17,36,35,40,67,85,76,92,84,87,116,106,122,
114,111,100,111,85,116,110,132,132,154,127,158,138,460,482,497,483]} 1. d4 Nf6
2. Bg5 h6 (2... Ne4) (2... e6) 3. Bxf6 gxf6 (3... exf6 {main}) 4. e3 (4. e4 d5
{5-0}) 4... d5 5. c4 c6 6. Nc3 Bf5 {2-1} (6... e6 {9 Wh wins, 1 draw, 1 Bl win}
) (6... Rg8 {1 Wh win,4 Bl wins}) 7. Qb3 $146 (7. Nf3 {2 games each}) (7. cxd5
cxd5 {1-2} 8. Qb3 Nd7 (8... e6 9. Qxb7 Nd7 10. Bb5 Rc8 11. Qxa7 Rc7 12. Qa4 $18
{Santacroce-Marziali, Udine Tre Circoli op 2012,0-1 ( Bl got his Q trapped on
h5)}) 9. Qxd5 $18 {Stockfish11}) 7... Qd7 (7... Qb6 8. Qxb6 axb6 9. cxd5 $16)
8. cxd5 cxd5 9. Qxd5 (9. Bb5 Nc6 10. e4 Bxe4 11. Nxe4 dxe4 12. d5 $18 {
Stockfish11}) 9... Qxd5 (9... e6 $5) 10. Nxd5 Kd8 11. Nc3 Nc6 12. O-O-O (12.
Rd1) 12... Rc8 13. a3 Na5 14. Bd3 Bg6 15. Nge2 e6 16. Bxg6 fxg6 17. d5 (17. Kb1
) (17. Nf4 Bxa3 18. Nxe6+ Ke7 19. Nf4 $18 Rxc3+ 20. Kb1 Rb3 21. Nxg6+) 17...
exd5 (17... e5) 18. Rxd5+ Ke8 19. Rxa5 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.15"]
[Round "3.12"]
[White "Williams, R Gareth"]
[Black "Dixon, Chris"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1642"]
[BlackElo "1754"]
[Annotator "kemen"]
[PlyCount "72"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,72,62,23,14,14,11,25,66,44,42,37,42,38,28,21,15,14,20,2,9,-6,2,4,-6,
-9,-5,-108,-111,-103,-103,-133,-155,-149,-156,-164,-165,-157,-167,-225,-218,
-289,-272,-264,-261,-307,-293,-293,-246,-291,-275,-321,-230,-278,-289,-305,
-209,-265,-292,-337,-350,-360,-382,-478,-490,-478,-484,-494,-523,-558,-573,
-708,-850,-921,-937]} 1. d4 d5 2. Nc3 Nf6 3. Bf4 c5 (3... g6 4. e3 Bg7 5. h4 {
Harding-Probert, Dyfed Open rd1, 2020, 1/2-1/2}) 4. e3 cxd4 5. exd4 a6 6. Nf3
e6 7. Bd3 Nc6 8. O-O Bd6 (8... Be7) 9. Bg3 $146 (9. Qd2) (9. Bg5) 9... Bxg3 10.
hxg3 O-O 11. a3 (11. Ne2 {looks possible as} Nb4 12. Qd2 (12. c3 Nxd3 13. Qxd3
a5 14. Ne5 b6 15. Rfe1 Ba6 $11) 12... Nxd3 13. cxd3 {leaves Bl with a
problematic French B- Stockfish11}) 11... Bd7 12. Re1 Rc8 13. b4 $2 (13. Ne2
Qb6 14. Rb1 Na5 15. c3 Bb5 16. Bc2 Bxe2 17. Qxe2 Nc4 18. g4 h6 (18... Nxg4 19.
Bxh7+ $16) 19. Ne5 $14 {Stockfish11}) 13... Nxb4 14. axb4 Rxc3 $19 15. Ne5 Qb6
(15... Bb5) 16. Nxd7 Nxd7 17. Rb1 Nf6 18. g4 h6 (18... g6) 19. Re3 Rfc8 20. f3
(20. Qd2 Kf8 21. g5 hxg5 22. Rh3 g4 23. Rh8+ Ke7 24. Rxc8 Rxc8 25. Qe3 Kf8 $19
{Stockfish11}) 20... g6 21. Qe1 Qxd4 22. Kh1 Kg7 23. g3 Qb6 24. Kg2 d4 25. Re2
Qc6 (25... Nd5) 26. Kf2 b5 (26... Qd6) 27. Qd2 Rh8 28. Ra1 Qd6 (28... h5) 29.
Rb1 Nd5 30. Re4 Nxb4 31. Rxb4 Qxb4 32. Qf4 Qc5 33. Qd2 b4 34. f4 Rc8 (34... h5)
(34... Rb8) 35. Kg2 (35. Re2 a5) 35... Rxc2 36. Bxc2 Qxc2 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.15"]
[Round "3.13"]
[White "Pinch, David"]
[Black "Ley, Cyril"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "1667"]
[BlackElo "1603"]
[Annotator "kemen"]
[PlyCount "61"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nf6 5. Nf3 O-O 6. Be2 c5 (6... e5) (6...
Nbd7) 7. O-O (7. d5) 7... Na6 (7... cxd4) (7... Nc6) (7... Bg4) 8. h3 Nc7 9.
Be3 b6 10. Qc2 (10. Qd2 {4 Wh wins, 2 Bl wins}) 10... Bb7 (10... Nfe8 11. Rfd1
Na6 12. a3 f5 13. Qd2 Nf6 14. dxc5 bxc5 15. e5 {Turk-Paleka, CRO ch tm U20,1-0}
) 11. Rad1 Qc8 12. Rfe1 (12. d5) 12... cxd4 13. Nxd4 Ne6 14. f3 $2 {(David-
Wh's pawn structure is weakened)} (14. Nxe6 Qxe6 15. Bd4 $14 {Stockfish11}) (
14. Bf1) 14... Rd8 (14... Nxd4 15. Bxd4 Nh5 16. Bxg7 Kxg7 17. Bf1 $14 {
Stockfish11}) 15. Nd5 $2 (15. Ndb5 $14 {Stockfish11}) 15... Nxd5 (15... Bxd5
16. exd5 Nxd5 17. cxd5 Nxd4 18. Qd2 Nxe2+ 19. Rxe2 $17 {(David & Stockfish11)})
16. exd5 Nxd4 (16... Bxd4 17. Bxd4 Bxd5 {(David-Stockfish11 still gives
equality as Wh retains a space advantage)}) 17. Bxd4 Bxd4+ 18. Rxd4 Qc5 19. Qd2
$16 Kg7 $2 {Draw?} 20. Kh1 $18 (20. b4 Qc7 21. Rh4 $18 {Stockfish11}) 20... Rh8
21. Rh4 (21. Bd1 Qc7 22. f4 f5 23. Qc3 Kf7 24. g4 $18 {Stockfish11}) 21... h5
22. Bd3 Rae8 23. b4 (23. Qc3+ f6 24. Bc2 $18 {Stockfish11}) 23... Qc7 24. f4 $2
(24. Qc3+) 24... f5 (24... e5 25. fxe5 Rxe5 26. Rhe4 $14 {Stockfish11}) (24...
Qd8 25. f5 e5 26. Qf2 g5 27. Rhe4 f6 $14 {Stockfish11}) 25. Qc3+ $2 (25. Qb2+
e5 26. dxe6+ Kg8 27. Qf6 Qg7 28. Qg5 $18 {Stockfish11}) 25... Kf7 $17 26. Qc2
Qd8 (26... e6 $19 {Stockfish11} 27. dxe6+ (27. Rd1 Qd8) 27... Rxe6 28. Rxe6
Kxe6 29. Qe2+ Kf7 30. Kh2 Qd8 31. Qf2 Qf6 $19 {Wh's R is completely out of the
game}) (26... Bc8 27. g4 hxg4 28. Rxh8 Rxh8 29. Bf1 e6 $17 {Stockfish11}) 27.
Bxf5 $3 $18 Rhg8 28. Be6+ (28. Bxg6+ Rxg6 29. Qf5+ Rf6 30. Qxh5+ Rg6 31. Qh7+
Rg7 32. Qf5+ Kg8 33. Qe6+ Kf8 34. Rh8+ Rg8 35. Qxg8# {Engines}) (28. Re6 $18)
28... Kg7 29. Bxg8 $2 (29. Qc3+) 29... Rxg8 (29... e5 30. Qf2 Kxg8 31. Qg3 $18)
30. Re6 Qe8 31. f5 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.15"]
[Round "3.14"]
[White "Morgans, Justin"]
[Black "Francis, Matthew"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "1605"]
[BlackElo "1642"]
[Annotator "kemen"]
[PlyCount "57"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

1. d4 d6 2. Nf3 Nf6 3. e3 Nbd7 4. Be2 (4. Bd3) 4... e5 5. O-O Be7 6. c4 O-O (
6... c6) 7. Nc3 Re8 8. Re1 {the R looks misplaced here} (8. Qc2 c6 9. Rd1) 8...
c6 9. Qc2 (9. b3 {0-2}) 9... Qc7 $146 (9... a6 {1.5-0.5}) (9... Bf8 {
Stockfish11; 0-1}) (9... exd4 10. exd4 Nf8 {1/2-1/2}) 10. Bd2 a6 11. Rac1 Qb8
12. a4 Bf8 13. Bd3 h6 (13... a5 14. Ng5 g6 15. f4 Bg7 16. h3 $14 {Stockfish11})
14. e4 (14. a5) 14... exd4 15. Nxd4 Ne5 (15... Qa7 16. Nde2 Ng4 17. Nd1 Nge5
$11 {Stockfish11}) 16. h3 c5 (16... Be7 17. Bf1 Bd8 18. f4 Ng6 19. Be3 Ba5 $11
{Stockfish11}) 17. Nde2 Bxh3 $6 (17... g6 18. f4 Nxd3 19. Qxd3 Bg7 20. f5 $16 {
Stockfish11}) 18. gxh3 Nf3+ 19. Kg2 Nxe1+ 20. Rxe1 $18 {Bl's Rs are inactive,
so Wh's pieces are much better} g5 $2 {holds up f4, but invites a N into f5}
21. Ng3 Qd8 22. Nd5 (22. Nf5) 22... Nxd5 23. exd5 (23. cxd5) 23... Rxe1 24.
Bxe1 Qe7 25. Bc3 f6 {the usual problem- blocking one B lets the other one in}
26. Bf5 Bg7 27. Be6+ Kh8 28. Nh5 Re8 29. Nxg7 (29. Qg6 {Stockfish11- even
stronger} Qf8 (29... Rf8 30. Bf5 Kg8 31. Qh7+ Kf7 32. Bg6#) 30. Nxg7 (30. Bf5
Kg8 31. Nxf6+ {mating as well-is slower}) 30... Qxg7 31. Qxe8+ Kh7 32. Bf5+ Qg6
33. Qxg6+ Kh8 34. Bxf6#) (29. Nxg7 {is slower, but Bl has no play with his R
against the 2 Bs} Kxg7 30. Qf5 Rf8 31. h4 gxh4 32. Qf4 h3+ 33. Kxh3 Kh8 34. Kg2
Qg7+ 35. Kf1 h5 36. a5 Kh7 37. Bf5+ Kh8 38. Qxd6 {etc}) 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.15"]
[Round "3.15"]
[White "Knight, Colin B"]
[Black "Probert, Malcolm"]
[Result "1/2-1/2"]
[ECO "D90"]
[WhiteElo "1759"]
[BlackElo "1565"]
[Annotator "kemen"]
[PlyCount "64"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 g6 5. Bf4 Bg7 6. e3 O-O 7. cxd5 (7. h3 {
main}) 7... cxd5 8. Be2 (8. Bd3) 8... Nc6 9. O-O a6 (9... Nh5) 10. a4 (10. Rc1)
(10. Ne5) (10. h3) 10... b6 (10... Nh5 {Stockfish11} 11. Bg3 Nxg3 12. hxg3 Rb8
13. Na2 Qd6 14. Qd2 Bd7 15. Rab1 Bf5 16. Bd3 Bxd3 17. Qxd3 Nb4 18. Qa3 Nxa2 19.
Qxa2 b5 {Llopez Jordan-Bimbatti Dorante, Maresme op 2011,0-1}) (10... Bg4 11.
h3 Bf5 12. Ne5 Rc8 13. Qb3 Na5 14. Qb4 Re8 15. Rfc1 Bf8 16. Qa3 Ne4 {
Augustowski-Nowaracki, POL ch tm, Kujawsko-Pomorskie, 2016,1-0}) 11. Ne5 Bb7
12. Nd3 (12. Nxc6 Bxc6 13. Qb3 e6 14. Rfc1 $16 {Stockfish11}) 12... e6 13. b4
Nh5 $2 (13... Ne4 $11) 14. Bxh5 gxh5 15. Qxh5 $18 Rc8 16. Ne2 Qe7 17. Qg4 (17.
Bh6) 17... Kh8 18. Ng3 (18. a5) 18... Rg8 19. Qe2 (19. Bg5 f6 20. Bh4 Qf7 21.
Nf4 $18 {Stockfish11}) 19... f6 20. h4 (20. Rfb1) 20... e5 (20... Nxb4 21. Nxb4
Qxb4 22. Rfb1 Qa5 23. Nh5 $18 {Stockfish11- the Q has been lured away from
defence of the K}) 21. Nf5 (21. dxe5 Nxe5 22. a5 $18) 21... Qd7 22. Nxg7 Qxg7
23. Bg3 exd4 24. Rac1 (24. b5 Ne7 25. Nf4 $16 (25. exd4 $16)) 24... dxe3 25.
Qxe3 d4 26. Qf4 $18 Ne7 27. Qxd4 (27. Rxc8 Rxc8 28. Qxd4 $18) 27... Nf5 (27...
Rcd8 28. Qxb6 Bxg2 29. Nf4 (29. Kxg2 Rxd3 $11) 29... Bxf1 30. Ne6 Nd5 31. Qxd8
Rxd8 32. Nxg7 Kxg7 33. Kxf1 Nxb4 $11 {Stockfish11}) 28. Qf4 (28. Qxb6 $18)
28... Nxg3 29. fxg3 Rxc1 30. Rxc1 Qxg3 31. Qxf6+ Rg7 32. Qf8+ (32. Qd8+ Rg8 33.
Qd4+ Qg7 (33... Rg7 34. Nf4 $18) 34. Qxg7+ Rxg7 35. Nf4 $16 {Stockfish11})
32... Rg8 (32... Rg8 33. Qf6+ Qg7 (33... Rg7 34. Qd8+ Rg8 35. Qd4+ {as above})
34. Qxg7+ Rxg7 35. Nf4 Rg4 36. Rc4 Kg8 37. h5 $18) 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.15"]
[Round "3.16"]
[White "Greatorex, Roger"]
[Black "Lawrence, Alex"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1735"]
[BlackElo "1466"]
[Annotator "kemen"]
[PlyCount "53"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,53,28,18,30,27,27,-8,-4,-12,-3,-53,-41,-47,-15,-54,-53,-39,-30,-30,
-31,-43,-26,-28,-18,-17,-18,-2,9,-39,-7,8,50,34,54,64,226,312,307,318,560,-170,
-153,-140,-147,-147,-146,-138,11,26,182,169,286,288,29993,29994]} 1. d4 Nf6 2.
Nf3 d5 3. Bg5 (3. c4) 3... Nc6 (3... e6) (3... Ne4) 4. Bxf6 (4. e3) (4. Nbd2)
4... gxf6 (4... exf6 {most frequent}) 5. c3 e5 (5... Bf5 6. e3 {4 Wh wins, 1
draw}) 6. e3 Be6 7. g3 $146 {to blunt any R action on the g file, but this can
wait} (7. Nbd2 {Bascetta-De Barberis, Bratto op 1995, draw agreed}) (7. Bb5 Qd7
8. dxe5 fxe5 9. Nxe5 {Jackson-Boyd, Saint Affrique op 2014,1-0}) 7... Qd7 8.
Bb5 Bd6 9. dxe5 fxe5 10. Ng5 O-O-O 11. Qa4 Kb8 (11... Bf5 $5) 12. Nd2 Bf5 (
12... Be7) 13. e4 dxe4 (13... Bg6 14. exd5 Be7 15. Ngf3 Qxd5 16. O-O-O Qc5 $11
{Stockfish11}) 14. Ngxe4 Bf8 (14... Bc5 15. O-O Bb6 $11 {Stockfish11}) 15. O-O
Bh6 $2 (15... a6) 16. Rad1 (16. Nc5 $18 {Stockfish11} Qxd2 (16... Qd5 17. Nxb7
$18) 17. Bxc6 Rd6 18. Nxb7 $18) 16... Qe6 (16... Bxd2 17. Rxd2 Qe6 18. Nc5 Qe7
19. Rxd8+ Nxd8 20. Qb4 Qd6 21. Be2 Qc6 22. Rd1 $16 {Stockfish11}) 17. Nc5 $18
Qf6 18. Nxb7 $1 Rxd2 19. Rxd2 Bh3 (19... Bxd2 20. Bxc6 $18) (19... Ne7 20. Rd8+
Rxd8 21. Nxd8 Qb6 22. Nxf7 $18 {Stockfish11}) 20. Qa6 (20. Bxc6 $1 $18) (20.
Rfd1 $18) (20. Nc5 $18) 20... Qf3 $19 21. Bxc6 e4 22. Bxe4 Qxe4 23. f3 Qe3+ (
23... Be3+ $1 {Stockfish11} 24. Kh1 (24. Rff2 Qb1+ (24... Qxf3 25. Qf1 Bxf1 26.
Kxf1 Bxf2) 25. Rd1 Qxd1+) 24... Bxf1 25. Qxf1 Qxb7 {and Bl finishes a piece up}
) 24. Rdf2 Bxf1 (24... Qb6 {Stockfish11} 25. Nc5 (25. Qxb6 axb6 {traps the N})
25... Be3 26. Qxb6+ axb6 27. Ne4 Rd8 (27... Bxf1 28. Kxf1 Bxf2 29. Kxf2 Kc8 $11
{Wh has 2 pawns for the exchange; though with pawns on both sides of the board
the R gives good winning chancesa}) 28. Re1 f5 29. Ng5 Bxg5 30. Rfe2 Rd7 $11)
25. Kxf1 $18 Qc1+ 26. Kg2 Be3 (26... Qe3 27. Na5 Qb6 28. Nc6+ Ka8 29. Qc4 $18 {
with the 2 extra pawns}) 27. Na5 {mating} 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.16"]
[Round "4.1"]
[White "Bourne, Johnathan D"]
[Black "Young, Alan"]
[Result "0-1"]
[ECO "C33"]
[WhiteElo "1904"]
[BlackElo "2051"]
[Annotator "kemen"]
[PlyCount "50"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,50,26,19,16,6,4,-75,-26,-72,-29,-108,-108,-126,-71,-136,-146,-199,
-214,-221,-191,-211,-232,-247,-244,-337,-286,-280,-280,-283,-280,-295,-303,
-344,-377,-382,-376,-367,-369,-427,-321,-335,-307,-354,-367,-548,-580,-669,
-669,-1130,-1195,-29987,-29988]} 1. e4 e5 2. f4 exf4 3. Bc4 Nc6 {John Shaw
recommendation} (3... Nf6) (3... Qh4+ {main lines}) 4. d4 Nf6 5. e5 (5. Nc3 Bb4
) 5... d5 6. exf6 {given a ? by Shaw} (6. Be2 {main} Ne4 7. Bxf4 g5 (7... b6 8.
c3 Be7 9. Nf3 Bh4+ 10. Nxh4 Qxh4+ 11. g3 Qh3 12. Nd2 Qg2 13. Rf1 {J Garcia-K
Thomas, West Wales-Gwent, 2006,1-0}) (7... Bf5 {Shaw, 0-3}) 8. Be3 g4 9. Nd2
Bf5 10. Bd3 Bh6 11. Bxh6 Qh4+ 12. g3 Qxh6 13. Ne2 Nxd4 14. Nxd4 Qe3+ 15. Qe2
Qxd4 16. Bxe4 dxe4 17. O-O-O Qxe5 $15 {RS Jones-Shaposhnikow, Wesles-E
Gramorgan 2004,1-0} (17... O-O-O $17)) (6. Bb3 $5 {Shaw}) 6... dxc4 $19 {
Stockfish11} 7. d5 (7. Qe2+ Be6 8. Nf3 Nxd4 9. Nxd4 Qxd4 10. Nc3 O-O-O $19 {
Krajnak-Kopera, SVK ch tm 2011,0-1}) 7... Ne5 8. Qe2 (8. fxg7 Bxg7 (8... Qh4+
9. Kf1 Bxg7 $19 {even stronger}) 9. Nf3 Bg4 10. O-O Qd6 11. Nc3 O-O-O $19 {
Horn-Fleck, Zurich 2007,0-1}) (8. Bxf4 Qxf6 9. Ne2 Bc5 10. Nbc3 Bf5 11. Qd2 O-O
12. O-O-O b5 {Gasior-Adda, FRA ch tm 2009,0-1}) 8... Qxf6 9. Nf3 Bd6 10. Nc3
O-O $19 11. Ne4 Nxf3+ 12. Qxf3 Re8 (12... Qh4+ 13. g3 Bg4 {also- Stockfish11})
13. O-O Qd4+ 14. Nf2 Bf5 (14... g5) 15. c3 Qe5 16. Bd2 (16. Nh3 Bxh3 17. Qxh3 (
17. gxh3 g5) 17... f3 18. gxf3 Qxd5 $19 {Stockfish11}) 16... Qe2 17. Bc1 Qxf3
18. gxf3 g5 (18... Re2) 19. Ng4 Bxg4 (19... Bc5+ 20. Kh1 Kg7 $19 {Stockfish11})
20. fxg4 Re2 21. h4 h6 22. hxg5 hxg5 23. b4 cxb3 24. axb3 Bc5+ 25. Kh1 Kg7 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.16"]
[Round "4.2"]
[White "Harding, Gareth"]
[Black "Williams, A. Howard"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "1557"]
[BlackElo "2246"]
[Annotator "kemen"]
[PlyCount "66"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,66,16,13,30,23,60,74,60,60,69,64,72,49,60,20,52,3,5,-2,2,2,8,11,0,-38,
-12,-12,-13,-19,-27,-43,-49,-71,-35,-35,-38,-45,-32,-38,-27,-31,-37,-48,-23,
-33,-36,-14,-6,-116,-62,-90,-94,-94,-44,-31,0,-5,5,-1,1,-60,-50,-45,134,-765,
-743,-744,-763]} 1. d4 Nf6 2. Nc3 c5 3. d5 d6 4. e4 g6 5. Be2 (5. Nf3 {main})
5... Bg7 6. Bg5 Qa5 (6... O-O 7. Qd2 a6) 7. Qd3 $146 (7. Bd2 {Stockfish11}) (7.
Qd2) (7. f3 {played}) 7... Na6 (7... O-O) 8. Qb5+ Qxb5 9. Bxb5+ Bd7 (9... Nd7)
10. Bxd7+ Kxd7 (10... Nxd7) 11. Nf3 b5 $15 12. Nd2 Nc7 13. O-O h6 14. Bh4 g5
15. Bg3 Nh5 16. Nd1 e6 (16... f5 $17 17. f3 Nxg3 18. hxg3 fxe4 19. fxe4 Raf8 {
Stockfish11}) 17. dxe6+ fxe6 18. Rb1 Rhf8 19. Ne3 Rae8 (19... a5 {Stockfish11})
20. Rfd1 Nxg3 21. hxg3 Kc6 22. a3 (22. c4) (22. c3) 22... d5 (22... a5) 23.
exd5+ exd5 24. a4 (24. g4) 24... a6 (24... bxa4 $19 {Stockfish11}) 25. c3 (25.
axb5+ axb5 26. g4 b4 27. Nf5 Bf6 (27... Rf7 28. Nf1 $11) 28. Nxh6 Re6 29. Nf5
Ra8 $15 {Stockfish11}) 25... d4 26. cxd4 cxd4 (26... Bxd4 $19 {keeps a Q side
majority of pawns}) 27. axb5+ axb5 28. Rbc1+ (28. Nc2 Kb6 29. Nf3 Rd8 (29...
Ne6 30. Ncxd4 Nxd4 31. Nxd4 Bxd4 32. Rxd4 Re2 33. f4 Kc5 $11) 30. Nfxd4 Rd6 31.
Nb3 Rfd8 32. Ne3 Rd3 33. Kf1 $14) 28... Kb6 29. Nc2 $11 Re2 30. f3 (30. Nf3 g4
31. Nfxd4 Rexf2 32. Nb4 Rxb2 33. Rc6+ Kb7 34. Ne6 Nxe6 35. Rd7+ Ka8 36. Ra6+
Kb8 37. Nc6+ (37. Rxe6 Bd4+ 38. Rxd4 Rb1+ 39. Kh2 Rff1 40. Rd8+ Kc7 41. Re7+
Kxd8 42. Nc6+ Kc8 43. Na7+ $11 {perpetual}) 37... Kc8 38. Re7 Rb1+ 39. Kh2 Ra1
(39... Rff1 40. Ra8#) 40. Rxa1 Bxa1 41. Na7+ Kd8 42. Nc6+ $11) 30... Nd5 31.
Ne4 Rc8 $2 (31... d3 32. Rxd3 Bxb2 33. Rcd1 Rxc2 34. Rxd5 b4 35. Rd6+ Rc6 $15)
32. Rd2 (32. Nb4 $18 Rd8 (32... Nxb4 33. Rxc8 $18) 33. Rc6+ Ka5 34. Nd3 (34.
Na6 b4 35. Ra1+ Kb5 36. Rc5+ Kb6 37. Raa5 Rxb2 38. Rcb5+ Kc6 (38... Ka7 39.
Nac5#) 39. Nb8+ Kc7 (39... Rxb8 40. Rxb8 $18) 40. Ra7+ Kc8 41. Na6 Rb1+ 42. Kh2
Be5 43. Rc5+ Nc7 44. Rcxc7+ Bxc7 45. Rxc7#) 34... b4 35. Rg6 Bf8 36. Ra1+ Kb5
37. b3) 32... Rxd2 33. Nxd2 d3 $19 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.16"]
[Round "4.3"]
[White "Zeidler, Sven P."]
[Black "Miles, Richard"]
[Result "1/2-1/2"]
[ECO "B26"]
[WhiteElo "2186"]
[BlackElo "1968"]
[Annotator "kemen"]
[PlyCount "100"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,100,19,21,72,49,82,25,12,40,28,20,20,7,5,4,17,26,41,48,104,29,48,14,
20,-15,-3,-17,8,3,30,2,18,8,36,37,41,57,43,37,60,94,97,133,121,79,83,62,62,29,
36,57,37,0,30,0,0,0,0,-50,0,0,0,-56,-49,-18,-18,-9,0,0,0,-65,-65,-67,0,-45,0,0,
-10,-13,-28,-29,-20,-17,-26,-7,-2,-26,-18,-26,-28,-44,-31,-29,-28,-29,-29,-29,
-29,-29,-29,-27,-25]} 1. e4 c5 2. Nc3 a6 (2... Nc6 {main}) 3. g3 Nc6 (3... b5)
4. Bg2 g6 5. d3 Bg7 6. Be3 d6 7. Qd2 Rb8 8. Nge2 Nd4 9. O-O e6 (9... b5) 10.
Rae1 (10. Nd1 {main}) 10... b5 11. Nd1 b4 (11... Bd7 12. c3 Nxe2+ 13. Rxe2 b4
14. c4 Bd4 15. f4 Qf6 16. f5 gxf5 17. exf5 e5 {Marquinez Cabrejas-Lebrun, Nato
ch, Brussels 2008,1/2-1/2}) 12. Nc1 Ne7 13. c3 bxc3 14. bxc3 Ndc6 15. Bh6 O-O
16. Bxg7 Kxg7 17. Ne3 e5 (17... Bd7 18. h4 h5 19. Ne2 e5 20. f4 f5 {Ballester
Llagaria, Iagar, Mislata 2012,1/2-1/2}) 18. f4 f6 19. fxe5 (19. f5 $16) 19...
dxe5 (19... Nxe5 20. Ne2 Ng4 21. Nf4 $14 {Stockfish11}) 20. Nb3 $16 c4 21. Nxc4
$16 Be6 22. Qe3 (22. Rd1) 22... Bxc4 23. dxc4 Na5 24. Rd1 (24. Bh3 $16) 24...
Nxc4 25. Qc5 Qb6 26. Rf2 Qxc5 27. Nxc5 Rfc8 $11 28. Ne6+ Kf7 29. Bh3 (29. Ng5+
Kg7 30. Ne6+ Kf7 $11) 29... Ne3 (29... h6 $15) 30. Ng5+ Kg7 31. Rd7 (31. Ne6+
$11) 31... Rb1+ (31... fxg5 32. Rxe7+ Kh6 $15 {Stockfish11}) 32. Rf1 Rxf1+ 33.
Bxf1 fxg5 34. Rxe7+ Kf6 $11 35. Ra7 (35. Bxa6 Rxc3 36. Rxh7 Rc2 37. a3 Rg2+ 38.
Kh1 Ra2 39. h3 Rxa3 $11 {Stockfish11}) 35... Rxc3 36. Rxa6+ Kf7 (36... Kg7 $15)
37. Ra7+ Kf6 38. Be2 Rc2 39. Kf2 Nd1+ 40. Ke1 Nc3 41. Bc4 g4 $11 42. Rxh7 Nxa2
$11 (42... Nxe4 $11) 43. Bd5 Nb4 44. Rf7+ Kg5 45. Re7 Nd3+ (45... Rxh2 $11) 46.
Kf1 Rxh2 47. Bc4 Rf2+ 48. Kg1 Rd2 49. Kf1 Rf2+ 50. Kg1 Rd2 (50... Rd2 51. Rd7
Ne1 (51... Rd1+ 52. Kh2 Nb2) 52. Rxd2 Nf3+ 53. Kf2 Nxd2 54. Bd3 Nb3 $11)
1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.16"]
[Round "4.4"]
[White "Powell, Lloyd"]
[Black "Heap, Gerry"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2064"]
[BlackElo "2111"]
[Annotator "kemen"]
[PlyCount "62"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,62,19,31,25,-11,-9,-24,-24,-11,-9,10,-8,0,-9,2,16,4,6,0,57,39,105,104,
124,96,114,106,122,167,175,204,212,210,211,156,292,314,337,299,326,355,366,218,
218,160,169,185,188,196,196,-23,0,0,0,-106,-76,-77,-99,-99,-72,-72,-80,-80,-80]
} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Bd2 Be7 6. Nf3 O-O 7. O-O dxc4 {
" There is little sense in this line for Black, as he simply has an inferior
version of the 4...Be7 variation with the white bishop on d2 instead of c1,
which is a useful extra tempo" Avrukh 2017:182. As explained by Lloyd in the
pm session} 8. Qc2 a6 9. a4 (9. Qxc4 {main} b5 10. Qc2 Bb7 11. Rc1 $1 {
preferred by Avrukh & Bologan 2012}) 9... Nbd7 10. Na3 c5 11. Nxc4 {4 Wh wins,
2 draws} cxd4 12. Nxd4 (12. Ba5 $18 {Stockfish11} Qe8 13. Nxd4 {1.5-0.5}) 12...
Nb6 (12... Bc5 13. Nb3 Qe7 14. Nxc5 Qxc5 15. Rac1 Qe7 16. Qb3 {Nguyen-Pham,
VIE ch tm, Ho Chi Minh 2019,1-0}) 13. Ba5 $18 Qxd4 14. Nxb6 Rb8 15. Rac1 (15.
b4 {also}) 15... h6 (15... Bd7 16. Rfd1 Qe5 17. Bc3 Qc7 18. Bxf6 Qxc2 19. Rxc2
Bxa4 20. Nxa4 Bxf6 21. Nb6 $18 {Stockfish11}) 16. Rfd1 Qe5 17. Bd2 (17. b4 Re8
18. Rd3 Bf8 19. Rcd1 $18 {Stockfish11}) 17... Qxe2 18. Re1 Qh5 19. Bf4 $18 e5 {
desperation} 20. Rxe5 g5 21. Rxe7 (21. Qc7 $1 {Stockfish11 & Rudy at pm} Ng4
22. h3 Nxf2 (22... Nxe5 23. Bxe5 Bd8 24. Qxb8 Bxh3 25. Qxb7 Bxg2 26. Kxg2 $18 {
Stockfish11}) 23. Kxf2 Qg6 24. Nd5 Bd6 25. Rxg5 Bxc7 26. Rxg6+ fxg6 27. Rxc7
$18 {Stockfish11}) (21. h4 Be6 22. Rxe6 fxe6 23. Bxb8 Rxb8 24. Nc8 Qe8 25. Qc7
$18 {Stockfish11}) 21... gxf4 22. Nxc8 Rbxc8 23. Qxc8 Rxc8 24. Rxc8+ Kg7 25. h3
(25. Rcc7 $18 {Stockfish11 & Lloyd in pm} Qd1+ 26. Bf1 Kg6 27. Rxf7 Ne4 28.
Rg7+ Kf5 29. Rcf7+ Ke6 30. Re7+ Kf5 31. Rgf7+ Kg6 32. Kg2 Ng5 33. Rxf4 $18 {
Stockfish11}) 25... Qd1+ $11 26. Kh2 (26. Bf1 fxg3 (26... f3 27. Rcc7 $18) 27.
Rcc7 (27. fxg3 Qd4+ 28. Kh1 Ne4 $11) 27... gxf2+ 28. Kxf2 Kg6 29. Rxb7 a5 30.
Rxf7 Qxa4 $11 {Stockfish11}) 26... f3 27. Rcc7 (27. Bh1 Nd5 (27... Qf1 28. Rc2
Nd5 29. Rd7 Ne3 30. Rcd2 (30. fxe3 f2 31. Rxf2 Qxf2+ 32. Bg2 b6 $19 {
Stockfish11})) 28. Ree8 Qd2 29. Kg1 Qd1+ 30. Kh2 b6 $15 {Stockfish11}) 27...
fxg2 28. Rxf7+ Kg6 29. Rg7+ Kf5 30. Kxg2 Qd5+ 31. Kg1 Qd1+ (31... b5 $17)
1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.16"]
[Round "4.5"]
[White "Hewitt, William"]
[Black "Garcia, Jason"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "1990"]
[BlackElo "2029"]
[Annotator "kemen"]
[PlyCount "34"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,34,19,38,72,47,87,23,14,13,13,-8,17,35,27,-20,-19,-1,-11,-37,-22,-25,
-22,-24,-22,-20,-23,-24,-4,-6,12,17,12,11,-6,12,5]} 1. e4 c5 2. Nf3 d6 3. c4 e5
4. Nc3 Nc6 5. g3 g6 6. d3 Bg7 7. Nd5 (7. Bg2) 7... Nge7 8. Bg2 O-O 9. Be3 (9.
O-O {103 games}) 9... Nd4 (9... Bg4 10. Bg5 f6 11. Bd2 Nxd5 12. cxd5 Ne7 13.
O-O Qd7 {Torra Bitlloch-Armenteros Generosa, ICCF email 2016, 0-1}) 10. Nxd4
exd4 11. Bg5 f6 12. Nxe7+ Qxe7 13. Bd2 Bd7 14. O-O Bc6 15. b4 b6 16. b5 (16. f4
$16) 16... Bb7 17. a4 a5 (17... a5 18. f4 $16) 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.16"]
[Round "4.6"]
[White "Marin Marin, Francisco Javier"]
[Black "May, Frank"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1776"]
[BlackElo "2019"]
[Annotator "kemen"]
[PlyCount "92"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,92,24,18,56,69,78,73,73,60,90,65,88,65,107,104,77,65,100,77,77,26,43,
50,30,-2,18,-31,-26,-37,-11,-70,-7,-4,-9,-12,-7,8,0,0,4,18,-9,-41,37,22,34,-36,
-125,-138,-38,-50,-56,-96,-91,-112,-98,-158,-111,-205,-233,-233,-242,-143,-249,
-246,-162,-301,-118,-112,-112,-101,-98,-98,-116,-103,-131,-139,-160,-123,-129,
-159,-128,-112,-105,-148,-149,-154,-93,-177,-125,-213,-236,-285,-293]} 1. e4 d6
2. d4 g6 3. Nf3 Bg7 4. Bc4 e6 (4... Nf6 5. Qe2 O-O {main}) 5. O-O a6 6. a4 b6
7. Re1 Ne7 8. Nc3 Nd7 9. Be3 Bb7 10. Ng5 $146 (10. Qd2 h6 {63 games with a
Hippopotamous}) 10... d5 (10... h6) 11. Qf3 O-O 12. exd5 Nf6 (12... h6 13. Nh3
e5 14. dxe5 Nxe5 15. Qe2 Nxc4 16. Qxc4 Nxd5 17. Bd4 Bxd4 18. Qxd4 c5 19. Qd2
Nxc3 20. Qxc3 Qh4 21. Qg3 Qc4 22. c3 Rfe8 $11 {Stockfish11}) 13. Rad1 exd5 14.
Bd3 Bc8 (14... Re8 15. Bf4 c5 $15 {Stockfish11}) 15. Rd2 Bf5 {Draw?} (15... Nf5
$15 {Stockfish11}) 16. Bf4 h6 17. Nh3 Qd7 (17... Bg4 18. Qg3 Qd7 19. f3 Nf5 20.
Bxf5 Bxf5 21. Bxc7 Nh5 22. Qd6 Bxh3 23. gxh3 Qxh3 24. Qxd5 Rac8 25. Bd6 Rcd8
26. Qc6 Qh4 $11 {Stockfish11}) 18. Bxf5 Nxf5 19. Be5 Rfe8 20. Rde2 c6 $11 21.
Nf4 (21. b3) 21... h5 22. Nd3 a5 23. b4 $6 {leaves gaps in Wh's pawn structure}
(23. h3) 23... axb4 24. Nxb4 Nh7 (24... Bf8 $17 {Stockfish11} 25. Bxf6 Bxb4 26.
Re5 Rxe5 27. dxe5 Be7 28. Qf4 Re8 29. Bxe7 Qxe7 $17) (24... Ng4 25. Bxg7 Rxe2
26. Nxe2 (26. Qxe2 Qd6 27. Be5 Qxb4 $19) 26... Kxg7 27. h3 Nf6 $17 {Stockfish11
}) 25. Bxg7 Kxg7 26. Qf4 Rxe2 27. Rxe2 (27. Nxe2 Rxa4 $17) 27... Nf8 $19 28.
Nd3 f6 (28... Ne6 29. Qe5+ Kg8 30. Re1 Nexd4 $19 {Stockfish11}) 29. g4 hxg4 30.
Qxg4 Ne6 31. Nf4 Nxf4 32. Qxf4 Kf7 (32... Rh8 $19) 33. Kf1 Qd6 (33... Rh8 $19 {
Stockfish11}) (33... g5 34. Qf3 Nxd4 $19 {Stockfish11}) 34. Qxd6 Nxd6 35. Re1
Rh8 $17 36. Kg2 Rh4 37. Ne2 Re4 38. Kf3 (38. Kf1) 38... g5 39. h3 f5 (39... Nf5
$19 40. c3 Nh4+ 41. Kg3 Kg6 {Zugzwang- Stockfish11}) 40. Kg2 Kf6 41. f3 Re3 42.
c3 Nc4 $19 43. Kf2 Rd3 (43... f4) 44. Rb1 f4 (44... Rxf3+) 45. Rb3 Kf5 46. Rb1
Rxf3+ 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.16"]
[Round "4.7"]
[White "Waddington, Mike P"]
[Black "Haigh, Tony"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "2046"]
[BlackElo "1773"]
[Annotator "kemen"]
[PlyCount "29"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,29,19,16,20,-29,41,1,82,15,-5,9,33,30,37,-52,42,30,30,5,134,184,172,
161,419,409,558,468,488,477,29999,-30000]} 1. Nc3 d5 2. e4 Nf6 3. e5 Nfd7 {main
} (3... d4) 4. e6 (4. d4 {main} c5 {Tony has had 3 wins & 2 draws with this
line over the years eg} 5. Nf3 cxd4 6. Qxd4 e6 7. Bf4 Nc6 8. Qd2 Bb4 9. Bb5 Qa5
10. Bxc6 bxc6 11. O-O Bxc3 12. bxc3 Ba6 13. Rfe1 Nc5 14. Qd4 Ne4 15. Qb4 Qb6 {
Musson-Haigh, Dyfed Open 2003,0-1}) 4... fxe6 5. d4 c5 6. Nf3 g6 (6... Nc6 {
main}) 7. h4 Nf6 $146 (7... Bg7 $11 {main; 2 Wh wins, 2 draws,3 Bl wins}) 8. h5
gxh5 9. Bf4 (9. dxc5 $14 {Stockfish11}) 9... Nc6 $2 (9... Bd7) 10. Nb5 $18 Kd7
11. Nc7 (11. dxc5) (11. Ne5+) (11. c3) (11. Rh4 {all winning lines according
to Stockfish11}) 11... Ne8 12. Nxa8 cxd4 13. Ne5+ Nxe5 14. Bxe5 Rg8 (14... Qa5+
15. c3 Rg8 $18 {though still}) 15. Bb5# 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.16"]
[Round "4.8"]
[White "Taylor, Robert Graham"]
[Black "Jones, Iolo C"]
[Result "0-1"]
[ECO "A17"]
[WhiteElo "1844"]
[BlackElo "2163"]
[Annotator "kemen"]
[PlyCount "148"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,148,20,20,20,-16,0,-42,15,12,19,11,21,20,13,8,26,-1,-1,-13,44,21,35,
20,69,38,16,-72,-64,-63,-22,-58,-58,-76,-70,-70,-2,-45,12,20,-2,17,33,38,36,3,
19,-43,86,77,79,71,89,86,102,108,121,121,128,34,108,100,184,107,104,82,104,83,
81,72,63,86,89,67,86,65,52,27,28,-45,-26,-35,-29,-90,-40,-18,-31,-157,-130,
-206,-108,-112,-103,-124,-124,-130,-123,-123,-125,-125,-106,-135,-119,-155,-96,
-135,-125,-156,-150,-154,-114,-139,-104,-119,-107,-129,-126,-157,-149,-223,
-192,-192,-190,-182,-180,-188,-202,-199,-217,-220,-221,-245,-271,-272,-277,
-275,-285,-289,-302,-321,-322,-330,-343,-609,-630,-29995,-29996,-29997,-29998,
-29999,-30000]} 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. Nc3 O-O
7. d3 (7. d4) (7. Re1) 7... d5 8. cxd5 exd5 {99 games} 9. Nb5 $146 (9. Bf4) (9.
Nd4 {main lines}) 9... Ne8 (9... c5 10. e4 Qd7 11. a4 Nc6 $11 {Stockfish11}) (
9... Qd7 10. a4 c6 11. Nbd4 c5 12. Ne5 Qc8 13. Nc2 Nc6 14. Nxc6 Bxc6 15. e3 Re8
16. b3 h5 17. Bb2 h4 $15 {Stockfish11}) 10. Bf4 (10. e4 $14) 10... c6 (10... a6
) 11. Nbd4 Bf6 12. Qc1 (12. e4 $14 {Stockfish11}) (12. Nf5 Bxb2 13. Rb1 Bf6 14.
e4 $11 {Stockfish11}) (12. b4 c5 $2 (12... a5 13. Rc1 axb4 14. Bxb8 Qxb8 15.
Nxc6 Bxc6 16. Rxc6 Rxa2 17. d4 Qb7 18. Qb3 Qxc6 19. Qxa2 Nd6 20. Qb2 Qb5 21.
Rb1 $11) 13. bxc5 bxc5 14. Rb1 Nd6 15. Nb5 Nxb5 16. Rxb5 Qc8 17. Qb3 $18 {
Stockfish11}) 12... Nd6 (12... c5) 13. Bg5 (13. e4 $14) 13... c5 14. Nc2 Nd7
15. Qf4 (15. Bxf6 Qxf6 16. Qf4 Rfe8 $15 {Stockfish11}) 15... Bxg5 16. Nxg5 Qf6
17. Nh3 (17. Qxf6 Nxf6 18. Rfe1 h6 19. Nf3 a5 20. d4 Rfe8 $11 {Stockfish11})
17... Nb5 (17... Qe7) (17... h6) 18. a4 Qxf4 19. Nxf4 Nc7 20. b4 (20. Ne3 Nf6
21. d4 cxd4 22. Nf5 Ne6 23. Rfd1 $14 {Stockfish11}) 20... Rfe8 (20... g5 21.
Nh5 f5 22. Rfb1 $16 {Stockfish11}) 21. bxc5 Nxc5 22. Nb4 (22. d4 $16) (22. h4
$16) (22. Nd4 N7e6 23. Nfxe6 Nxe6 24. Nb5 Red8 25. Rfc1 $14) 22... Rad8 23. a5
N5e6 (23... g5 24. Nh3 h6 $14) (23... Rd6 24. axb6 axb6 25. e3 $16) 24. axb6 (
24. Rfc1 $18 {Stockfish11}) (24. e3 $18 {Stockfish11}) 24... axb6 25. Ra7 (25.
Rfc1 Nb5 26. e3 Nxf4 27. gxf4 Kf8 28. Rab1 $16 {Stockfish11}) 25... Nc5 26. Ra2
(26. Rc1 Nb5 27. Ra2 $18 d4 28. Bxb7 Nxb7 29. Rb2 Nc5 30. Nc6 Rc8 31. Rxb5 Rxc6
32. Nd5 g6 33. Rxb6 $18 {Stockfish11}) 26... Rd6 27. d4 Nb3 28. e3 $18 g5 29.
Rb1 (29. Nfd3) 29... Na5 (29... Nxd4 30. exd4 gxf4 31. Ra7 Rb8 32. Nd3 Ne6 $11
{Stockfish11}) 30. Ne2 Bc8 31. Nc3 (31. Rc1 Nc4 32. h4 gxh4 33. gxh4 b5 34. Ra7
Re7 35. Nf4 Kf8 36. Rca1 Nb6 37. Kh2 Bf5 38. Bf3 $18 {Stockfish11- but there
seems no clear way to bring it to a breakthrough}) 31... Bf5 32. Rd1 Be6 33.
Bf1 Rc8 34. Bg2 Nc6 35. Nd3 $14 Bf5 36. Ne5 Na5 37. Na4 (37. g4 $16) 37... f6
38. Nf3 Nc4 39. Nc3 (39. h4) 39... b5 $11 40. Ra7 (40. Nd2 Nxd2 41. Raxd2 b4
42. Ne2 Rb8 43. Rb2 b3 44. Nc3 $11 {Stockfish11}) (40. g4 Bxg4 41. Rb1 Bf5 (
41... Rb8 42. Ra7 $11) 42. Rb3 Kg7 43. h4 h6 44. Ra7 Rd7 45. Ne1 $11 (45. h5
$11 Bg4 46. Ne1 Bxh5 47. Rxb5 $11 {Stockfish11})) 40... b4 $17 41. Na4 (41. Nb1
) 41... Nb5 (41... b3 $19 {Stockfish11}) 42. Rb7 $15 Nc3 (42... Bc2 43. Ra1 Ra8
44. Rxb5 b3 45. Ne1 b2 46. Nxc2 bxa1=Q+ 47. Nxa1 Rxa4 48. Nb3 Ra3 49. h3 Kf7
50. Nc5 $11 {Stockfish11- Wh has a pawn for the exchange & probably winning
the d5 pawn}) 43. Ra1 (43. Nxc3 bxc3 44. Ne1 Nd2 45. Rc1 Kf8 46. Rb5 c2 47. h4
g4 48. Bxd5 $11 {Stockfish11}) 43... Ra8 $19 44. Rxb4 Bd7 (44... Rb6 $19) (
44... Nb6 $19) (44... Rda6 $19) 45. Ne1 (45. Rb8+ Rxb8 46. Nxc3 Be6 $17 {
Stockfish11}) 45... Rxa4 (45... Nb6 $1) 46. Raxa4 Nxa4 47. Bxd5+ Rxd5 48. Rxc4
Nb6 (48... Ra5 $19) 49. Rc7 (49. Rb4 Rb5 $19) 49... Rd6 50. Kg2 Nd5 51. Ra7 Bc6
52. Kg1 Bb5 53. h3 Rc6 54. Ra1 Be2 (54... h5) 55. Kg2 Nb4 56. Rb1 Rc4 (56...
Nd5) 57. Rb2 Bd1 58. Rd2 Ba4 59. f4 Bc6+ 60. Kf2 h6 61. fxg5 hxg5 62. h4 gxh4 (
62... g4) 63. gxh4 Be4 64. Kg3 Nd5 65. Kf2 Rc3 66. Re2 Kg7 67. Nf3 Kg6 68. Nd2
Bd3 69. Re1 Rc2 70. Rg1+ Kh5 71. e4 (71. Ke1 f5 $19) 71... Rxd2+ 72. Ke1 (72.
Kf3 Nc3 73. e5 Be4+ 74. Kf4 Rf2+ 75. Kg3 Rf3+ 76. Kh2 Kxh4 77. Rg8 Rf1 78. Rh8+
Kg4 79. Rg8+ Kf4 80. Rg2 Bxg2 (80... Nd1 81. exf6 Ne3 82. f7 Ng4+ 83. Rxg4+
Kxg4 84. f8=Q Rh1#) 81. Kxg2 Ra1 82. exf6 Ra2+ 83. Kf1 Kg3 84. Ke1 Kg2 85. f7
Re2# {Stockfish11}) 72... Re2+ 73. Kd1 Nc3+ 74. Kc1 Rc2# 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.16"]
[Round "4.9"]
[White "Richmond, Jane"]
[Black "Pinch, David"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2101"]
[BlackElo "1667"]
[Annotator "kemen"]
[PlyCount "79"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,79,80,19,19,56,18,-6,59,45,36,-5,-9,7,-15,39,45,4,44,-35,-7,-56,-7,
-30,-32,-13,1,11,16,19,98,100,93,100,87,101,108,111,96,105,101,105,103,104,104,
97,110,97,91,92,91,67,310,310,311,336,334,310,306,314,323,324,319,319,371,343,
417,418,458,463,480,517,533,486,578,576,600,550,590,585,618,488]} 1. e4 e5 2.
Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. O-O Be7 {main} (7... Bg4)
8. Nbd2 {one of of the latest fashions, an older variation scarcely covered in
the theory books} (8. c4) (8. Re1) 8... Bf5 (8... Nxd2 {main}) (8... Nd6) 9.
Nb3 $146 (9. Re1 {main, in elite GM practice as well}) (9. Qe2 {occasional
others}) 9... O-O (9... a5 {one of Stockfish11 responses}) 10. c3 Qd7 (10...
Bd6) (10... Bg4 11. Nbd2 f5 {close to a more usual theoretical position} 12.
Qb3 Kh8 (12... Na5)) 11. Re1 Rfe8 (11... Rae8 $5) 12. Bf4 Bd6 (12... b6 {
Stockfish11}) 13. Bxd6 Qxd6 (13... Nxd6 {Stockfish11 choice}) (13... cxd6 $5 {
Rudy- covers e5 & c5 plus some play on the c file} 14. Nh4 Bg6 15. Nxg6 hxg6
16. Nd2 Nxd2 17. Qxd2 Rxe1+ 18. Rxe1 Re8 19. h4 $16 {Stockfish11- the doubled
pawns are less useful in an ending, but Bl's N is not without some prospects
in a blocked position}) 14. Nh4 Bg6 (14... Qf4 {considered by David} 15. Qf3 {
Jane} Qxh4 16. Qxf5 g6 {Stockfish11} 17. Qf3 f5 $14) (14... Bd7 $14 {
Stockfish11}) 15. Nxg6 hxg6 16. Bxe4 Rxe4 17. Rxe4 dxe4 18. Nc5 $16 Qd5 19. Qb3
Qxb3 20. axb3 b6 21. Nxe4 a5 $18 {Stockfish11- though Bl is only half a pawn
down so far} 22. f3 f6 23. Kf2 (23. b4 {Stockfish11- makes it a full pawn})
23... Re8 24. Re1 Kf7 25. Re3 Re6 $2 (25... Ra8 {Rudy- hoping to get some R
activity on the Q side} 26. d5 {Stockfish11} (26. f4 {pm analysis} Ne7 (26...
a4 27. bxa4 Rxa4 28. d5 Nd8 29. d6 $18) 27. Rd3 Nd5 28. g3 a4 29. b4 (29. bxa4
Rxa4 30. Ke2 $16) 29... a3 30. bxa3 b5 $11 {gives Bl enough to hold}) 26... Ne7
27. d6 Nd5 28. Re2 g5 (28... Nf4 29. dxc7 $18) 29. g3 cxd6 30. Nxd6+ Kg6 31.
Rd2 Ne7 32. g4 Nc6 33. Nf5 Ne5 34. Rd6 Rb8 35. Re6 Rb7 36. Ke3 a4 37. bxa4 Nc4+
38. Kd4 Nxb2 39. Kd5 Nxa4 40. c4 Ra7 41. Kc6 (41. Re7 Rxe7 42. Nxe7+ Kf7 43.
Nf5 {should also be winning for Wh}) 41... Kf7 42. Re2 $18 {Wh will win the b
pawn soon}) 26. d5 $18 Rxe4 27. Rxe4 Ne5 28. Ke2 (28. f4 {Stockfish11} Nd3+ 29.
Ke3 Nc5 (29... Nxb2 30. Kd2 {wins the N}) 30. Rc4 Kf8 31. b4 axb4 32. cxb4 Na6
33. b5 Nc5 34. Rxc5 {returning the exchange is often the quickest route to a
breakthrough} bxc5 35. d6 $18) 28... g5 29. h4 gxh4 30. Rxh4 f5 31. Ke3 Kf6 32.
Rh8 Ke7 33. Rg8 g6 34. Kd4 Kd6 35. c4 c5+ 36. Ke3 (36. Kc3) 36... a4 37. f4
Ng4+ 38. Kd2 (38. Kf3 axb3 39. Rxg6+) 38... axb3 39. Rxg6+ Kc7 40. Rxg4 {
a K cannot dance at two weddings} 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.16"]
[Round "4.11"]
[White "Dixon, Chris"]
[Black "Barnaby, Nicholas M S"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1754"]
[BlackElo "1750"]
[Annotator "kemen"]
[PlyCount "66"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 a6 (3... e6) (3... Bf5) (3... c6) 4. e3 Bf5 (4... e6
) 5. f3 h6 (5... e6 {main}) 6. g4 Bg6 (6... Bh7 {looks logical, 2 wins each, 1
draw}) 7. Bd3 Bxd3 8. Qxd3 e6 {1 win each, 3 draws} 9. O-O-O (9. h4 {
transposes to 38 games}) 9... Nc6 10. Nge2 (10. h4 {0.5-1.5}) 10... Qd7 11. h4
O-O-O 12. Kb1 Be7 13. Nc1 (13. Na4 Kb8 14. Nc1 Qe8 15. Qe2 Bd6 16. Bxd6 Rxd6
17. Nc3 Qe7 18. Nd3 e5 $14 {Kleinert-Kjeldsen, Remote -SM email 2013,1-0})
13... Na5 14. g5 (14. b3) 14... Nh5 $15 15. N1e2 Nxf4 16. exf4 g6 17. Rdg1 hxg5
18. fxg5 (18. hxg5) 18... Nc4 $17 19. f4 Nd6 20. Ng3 Nf5 (20... Nc4 21. h5 gxh5
22. Nxh5 c5 $15 {Stockfish11}) 21. Nxf5 (21. h5 $11) 21... exf5 22. Ne2 (22.
Qf3 $11) 22... Bd6 $15 23. Qf3 c6 (23... Rde8 $17) 24. Rc1 (24. Nc1 $11) (24.
Ng3 $11) 24... Kb8 25. h5 {Draw?.} Rxh5 26. Rxh5 gxh5 27. Qxh5 Qe6 (27... Re8
$17) 28. Qf3 (28. Rf1 $11) 28... Re8 29. Ng3 Bc7 (29... Qe1 30. Nxf5 Qd2 31. a3
Bxf4 32. Rd1 Re1 33. Rxe1 Qxe1+ 34. Ka2 Qe4 $11 {Stockfish11}) 30. a3 $11 f6
31. Rh1 (31. Nh5) (31. Rg1) 31... fxg5 32. fxg5 f4 33. Rh6 $2 (33. Nh5 $11)
33... Qe1+ $19 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.16"]
[Round "4.12"]
[White "Orton, Paul"]
[Black "Van Kemenade, Rudy"]
[Result "0-1"]
[ECO "A87"]
[WhiteElo "1580"]
[BlackElo "1889"]
[Annotator "kemen"]
[PlyCount "66"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,66,25,19,73,68,68,68,69,69,69,66,53,50,48,34,45,24,49,56,81,61,54,54,
54,54,54,64,-8,9,76,27,74,61,156,179,161,148,376,346,346,346,346,293,225,254,
254,211,232,-107,-84,-307,-111,-324,-324,-378,-386,-592,-686,-570,-728,-981,
-931,-1456,-1204,-1160,-1288,-1183,-1343]} 1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2
Bg7 5. O-O O-O 6. c4 d6 7. b3 Nc6 (7... c6) (7... Qe8) (7... e5) 8. Bb2 Qe8 (
8... Ne4 {Main.}) (8... e5 9. dxe5 Ng4 10. Nc3 Ngxe5 11. e3 Nxf3+ 12. Qxf3 Ne5
13. Qd5+ Nf7 14. Qd2 c6 15. Rad1 Qe7 16. Rfe1 Re8 {Ratnesan-Van Kemenade,4NCL
open, Telford 2019,0-1.}) 9. Nc3 (9. d5 Nd8 {Main.}) 9... e5 10. dxe5 dxe5 11.
Nd5 (11. e4 f4 12. Nd5 Rf7 13. Ng5 Rd7 14. gxf4 Nxd5 (14... h6 15. Nf3 Nh5 {
Babu-Dzhumaev,Chennai Win TV op 2004,0-1.}) 15. exd5 exf4 16. Bxg7 Kxg7 17. Re1
Qg8 18. Qd2 Nd8 19. Qd4+ {Williams-Van Kemenade, Dyfed League 2013,1-0.}) 11...
Rf7 12. Ng5 (12. Qc2 {1 win each,4 draws.}) 12... Rd7 13. Nxf6+ (13. Qe1 h6 14.
Nxf6+ Bxf6 15. Bd5+ Kh8 16. Ne6 Re7 17. Nc5 Kh7 18. Rd1 a5 {Varberg-Fabig,
ICCF email 2018,1/2-1/2.}) (13. Qd2 Nxd5 14. Bxd5+ Kh8 15. Rfe1 Nd8 16. e4 f4
17. gxf4 h6 18. Nf3 exf4 19. e5 Ne6 {Sitorus-Norman, BCCA, ICCF 2016,1-0.})
13... Bxf6 14. Bd5+ Kh8 (14... Kg7) 15. Qc1 Nd8 (15... Nd4 16. Re1 c6 17. Bg2
Qe7 18. Nf3 e4 $11 {Stockfish11.}) 16. f4 $16 h6 {Trying for an advantage &
possibly winning the d5 B- but Bl has misjudged the tactics that follow.} (
16... c6 {Is safer, though Wh retains an edge.} 17. Bg2 Nf7 (17... Qe7 $5) 18.
e4 Re7 19. Nxf7+ Rxf7 20. fxe5 Bg7 (20... Bxe5 21. exf5 Bxb2 (21... Bxf5 22.
Re1 Re7 23. Bxe5+ Rxe5 24. Qb2 $18) 22. Qxb2+ Kg8 23. Rae1 Re7 24. Rxe7 Qxe7
25. fxg6 (25. f6 Qe3+ 26. Kh1 Be6 $16) 25... hxg6 26. Qd4 $18 {Stockfish11.}))
17. Nf3 (17. Nh3 {Expected.} Kh7 18. e4 Re7 19. exf5 Bxf5 20. Nf2 c6 21. Bg2
Ne6 (21... Nf7 22. g4 Bd7 23. Ne4 Bg7 24. f5 $18) 22. fxe5 (22. g4 Nxf4 $17)
22... Bg5 23. Qc3 $18 {Stockfish11.}) (17. e4 $1 $18 {Stockfish11.} Re7 (17...
hxg5 18. fxe5 Bg7 (18... Bxe5 19. exf5 Rxd5 20. cxd5 Bxf5 21. Re1 Nf7 22. Bxe5+
Nxe5 23. Qc3 $18) 19. exf5 $18) (17... c6 18. fxe5 Bxe5 19. exf5 cxd5 20. Re1
Nc6 21. Nf3 d4 22. Qxh6+ Rh7 23. Qxg6 Qxg6 24. fxg6 Re7 25. Nxe5 Nxe5 26. Rxe5
Rxe5 27. Bxd4 $18 {Stockfish11.})) 17... c6 (17... Kh7 $5 18. Nxe5 Re7 19. Re1
c6 20. Bg2 Nf7 21. Nf3 $18 {Stockfish11.}) 18. fxe5 (18. Nxe5 Rg7 19. Bg2 Nf7
20. Nd3 $18 {Stockfish11.}) 18... cxd5 (18... Bg7 19. e6 Nxe6 20. Bxe6 Qxe6 21.
Qxh6+ {A threat seen by Bl.} Kg8 22. Bxg7 Rxg7 23. Rae1 $18 {()tockfish11, but
better for Bl than the game continuation.}) 19. Qxh6+ Rh7 {Bl had been relying
on this move, but Wh had seen further.} 20. exf6 $1 $18 Kg8 (20... Nf7 21. Qf4
(21. Qxg6 Qe3+ 22. Rf2 Be6 23. cxd5 Bxd5 24. Qxf5 $18) 21... dxc4 22. e4 $18 {
Stockfish11.}) (20... Qf7 21. Qe3 Kg8 22. Ng5 $18) 21. Qd2 dxc4 (21... Nf7 22.
cxd5 $18) 22. Ng5 (22. Ne5 $1 Be6 23. e4 fxe4 24. Rae1 $18 {Stockfish11.})
22... Rd7 23. Qc3 (23. Qf4 Nf7 (23... cxb3 24. Qh4 Qe3+ 25. Kh1 Rf7 (25... b6
26. Qh8+ Kxh8 27. f7+ Rd4 28. f8=Q#) 26. Qh6 b6 27. Qxg6+ Kf8 28. Ba3+ Ke8 29.
Qg8+ Kd7 30. Rfd1+ Kc6 31. Qxd8 $18) 24. e4 $16 {Stockfish11.}) (23. f7+ {
Simpler, the f6 pawn just gets into Wh's way.} Nxf7 24. Qc3 $18 Ne5 25. Qxe5
Qxe5 26. Bxe5 $18) 23... Nf7 24. Qxc4 $2 {A mistake that Bl has seen as a
possibility for him.} (24. bxc4 $18 {Simplest, Wh is 2 pawns up.}) (24. Rae1
$18) (24. Rf3 $18) (24. e4 $1 fxe4 25. Rae1 $18 {Stockfish11.}) 24... Qe3+ 25.
Kh1 Qxg5 $19 26. Qe6 Rd8 27. Qe7 Bd7 {And Bl gets the long diagonal control he
was hoping for with the earlier ill-fated h6 move.} 28. Rf4 Bc6+ 29. Kg1 Re8
30. Qb4 Rxe2 31. Bd4 (31. Rf2 Rxf2 (31... Rae8) 32. Kxf2 Qh5 $19 (32... f4 $19)
) 31... Rg2+ (31... Qh5 {Stockfish11- mating.}) 32. Kf1 Rxh2 (32... Qh5) 33.
Qc3 Qh5 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.16"]
[Round "4.13"]
[White "Jones, Martin C"]
[Black "Van Kemenade, Julie"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "1745"]
[BlackElo "1689"]
[Annotator "kemen"]
[PlyCount "86"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,54,16,30,82,12,39,32,37,37,37,34,48,48,56,18,18,-5,-5,-19,-23,-90,-90,
-134,-11,-40,-5,-38,3,-45,15,-28,46,-22,38,-24,0,22,34,27,34,36,62,-6,30,-26,
32,12,123,92,92,92,92,92,122,128,225]} 1. d4 d6 2. c4 g6 3. Nf3 Bg7 4. Nc3 Nd7
5. g3 e5 6. Bg2 Ngf6 (6... Ne7) 7. Bg5 (7. O-O {main}) 7... h6 8. Bxf6 Qxf6 {
Stockfish11} (8... Bxf6 {1.5-0.5}) 9. Nd5 Qd8 10. e4 (10. O-O O-O {transposes
to 38 games}) 10... c6 11. Nc3 (11. Ne3 Qa5+ 12. Kf1 exd4 13. Nxd4 O-O $19 {
Stockfish11}) 11... Qe7 (11... exd4 12. Nxd4 Qb6 13. Nb3 Ne5 $19 {Stockfish11}
14. Qe2 (14. Qxd6 Nxc4 15. Qd3 Nxb2 {even worse}) 14... Be6) (11... Qc7) 12.
O-O (12. d5 O-O 13. O-O Nf6 $11 14. Nd2 Ne8 15. b4 f5 16. Qb3 Kh8 17. Rac1 f4)
12... O-O (12... exd4 13. Nxd4 Ne5 (13... h5 14. h4 Ne5) 14. Qa4 O-O 15. Rad1
Re8 $11 {Stockfish11}) 13. Rc1 {not clear that the R needs to be on this
closed file- b1 looks a better square} (13. d5 $11) 13... Rd8 (13... exd4 14.
Nxd4 h5 15. h3 a5 16. b3 Nc5 17. Qd2 Re8 $11 {Stockfish11}) 14. Re1 (14. d5 $11
) 14... Nf8 (14... exd4 $17 {Stockfish11}) 15. h3 (15. d5 $11) 15... g5 (15...
exd4) 16. a3 {rather slow} (16. d5 Ng6 17. Nd2 $14 {Stockfish11}) (16. b4 {
at once is positionally desirable, Stockfish11 at first goes for its standard}
exd4 17. Nxd4 Qf6 18. Nce2 Ng6 $11) 16... Ng6 17. b4 g4 (17... h5 $5) 18. hxg4
Bxg4 19. d5 Qf6 {this turns out to give Wh a useful tempo to unravel the K side
} (19... h5 20. Qd3 Bh6 (20... h4) 21. Rcd1 h4 22. a4 (22. c5 dxc5 $19) 22...
Kg7 (22... c5 23. bxc5 hxg3 24. fxg3 Qc7 25. cxd6 Qc5+ 26. Kf1 Rac8 27. Rb1
Qxc4 28. Qxc4 Rxc4 29. Nd1 b6 30. Nf2 Bc8 31. Bh3 Bxh3+ 32. Nxh3 Bf8 $11) 23.
Ra1 Rh8 $15 {Stockfish11}) 20. Qd3 h5 21. Nh2 Bd7 22. c5 (22. dxc6 bxc6 23. b5
h4 $11 {Stockfish11}) 22... Bh6 (22... dxc5 23. bxc5 Bf8 24. Qe3 (24. d6 b6 25.
Na4 h4 $15) 24... h4 25. Ne2 b6 $11 {Stockfish11}) 23. Rcd1 Be8 (23... dxc5 24.
bxc5 h4 $11 {Stockfish11}) 24. dxc6 bxc6 (24... dxc5 25. cxb7 Rab8 26. Nd5 $18)
25. cxd6 Bf8 26. Qe2 Bxd6 (26... Qg5 27. Nf3 Qf6 28. Rd3 Bxd6 29. Red1 Be7 $11
(29... Bc7 $11)) 27. Qxh5 $18 Bc7 (27... Bd7 {doesn't succeed in keeping the N
out} 28. Bh3 Bxh3 29. Qxh3 Be7 30. Ng4 Qg5 31. Nh6+ Kf8 32. Nf5 $18) 28. Ng4
Qg7 (28... Qh8 29. Qg5 Kf8 30. Na4 $18 {Stockfish11}) 29. Qg5 (29. Nh6+ Kf8 30.
Nf5 Qf6 31. Qh6+ Kg8 32. Bf3 Rxd1 33. Nxd1 Bd8 34. Kg2 Bd7 35. Rh1 (35. Nde3
Qh8) 35... Bxf5 36. exf5 Qxf5 37. Bxc6 Rc8 38. Ne3 Qg5 39. Qh7+ Kf8 40. Be4 $18
{Bl is only a pawn down, but the pieces are all on inferior squares}) 29... Nf8
(29... Ne7 30. Qxe7 Rxd1 31. Rxd1 Qxg4 32. Qxc7 $18) (29... Kf8 30. Na4 $18 (
30. Ne3 $18)) 30. Nf6+ Kh8 31. Qh4+ (31. Qh5+ {keeps on f7} Nh7 32. Nxe8 Rxe8
33. Rd7) 31... Nh7 32. Nxe8 (32. Rxd8 Rxd8 33. Nxh7 Qxh7 34. Qe7 Bb6 35. Rd1
Rxd1+ 36. Nxd1 Qg8 37. Qxe5+ $18 {Stockfish11}) 32... Rxe8 33. Rd7 Bb6 34. Red1
(34. Na4 Bd4 35. Nc5) 34... Bd4 {just brings the N to a better square} (34...
Re6 35. R1d6 Qf6 36. Rxe6 Qxh4 (36... Qxe6 37. Bh3 $18) 37. gxh4 fxe6 38. Na4
$16 {Stockfish11}) 35. Ne2 Bb2 (35... Bb6) 36. a4 (36. Rb1 Bd4 (36... Bxa3 37.
Rb3) 37. Nxd4 exd4 38. e5 Rxe5 39. b5 $18 {Stockfish11}) 36... Kg8 37. Rc7 (37.
Rb1) 37... Nf6 (37... Re6) 38. Rxc6 Rad8 39. Rxd8 Rxd8 40. Qxf6 Rd1+ 41. Kh2
Qg4 42. Bh3 (42. Bf3 Qg7 43. Rc8+ Kh7 44. Qh4+ Qh6 45. Rh8+ Kxh8 46. Qxh6+)
42... Qh5 (42... Rh1+ 43. Kxh1 Qxh3+ 44. Kg1 Qg4 45. Rd6 Qg7 46. Qd8+ Kh7 47.
Qh4+ Kg8 48. Rd8+ Qf8 49. Qg5+ Kh7 50. Rxf8) 43. Rc8+ Kh7 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.16"]
[Round "4.14"]
[White "Probert, Malcolm"]
[Black "Greatorex, Roger"]
[Result "1/2-1/2"]
[ECO "A09"]
[WhiteElo "1565"]
[BlackElo "1735"]
[Annotator "kemen"]
[PlyCount "135"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. O-O e5 5. c4 (5. d3 Nf6 6. Nbd2 (6. e4)) 5...
d4 6. d3 Be7 (6... Nf6 {main}) 7. e3 dxe3 (7... Nf6) 8. fxe3 (8. Bxe3 {also})
8... e4 {a longterm sacrifice- the doubled e pawn gets in the way of Wh's
pieces, & gives Bl the e5 blockading square for his} (8... Nf6 {13 games}) 9.
dxe4 Qxd1 10. Rxd1 Bf6 (10... Bg4 11. Nc3 Bxf3 12. Bxf3 Ne5 13. Be2 Nf6 14. b3
O-O 15. Bb2 {Bryndin-Karasev, St Petersburg White Nights op 2002,1-0}) 11. Nbd2
(11. Rd5 Nb4 12. e5 Nxd5 13. cxd5 Bd8 14. e4 $14 {Stockfish11}) 11... Nge7 12.
a3 (12. e5 Bxe5 13. Ne4 Bg4 14. Nxc5 $16 {Stockfish11}) 12... O-O $11 (12...
Ng6 $11) 13. Rb1 Rd8 14. b3 (14. Rf1) 14... Bg4 (14... Ng6) 15. Bb2 Bxf3 (15...
Bxb2 16. Rxb2 Ne5 $11) 16. Bxf3 Bxb2 17. Rxb2 Ne5 18. Be2 Nd3 (18... N7c6 $11)
19. Bxd3 (19. Rbb1 Ne5 20. b4 $14 {Stockfish11}) 19... Rxd3 20. Kf2 Rad8 21.
Ke2 Ng6 22. Rbb1 Ne5 23. Nf1 Rxd1 24. Rxd1 Rxd1 25. Kxd1 Kf8 26. Ke2 $11 {
the extra half pawn is a vulnerable one in the centre} Ke7 27. Nd2 Kf6 28. Nb1
Ng4 29. h3 Ne5 30. Nc3 h6 (30... a6) 31. Nd5+ (31. Nb5 Nc6 32. Nd6 b6 33. Ne8+
Kg6 34. Kd3 Ne5+ 35. Kc3 h5 $11 {Stockfish11}) 31... Kg5 32. Nf4 g6 33. Nd5 h5
34. Nf4 Nc6 (34... Kf6) 35. Nd3 Na5 (35... b6 36. b4 cxb4 37. axb4 Kf6 $11 {
Stockfish11}) 36. Nxc5 b6 37. Nd3 Nxb3 $11 38. Ne5 Kf6 39. Nc6 Nc5 (39... a6)
40. Kf3 (40. Nxa7 {Wh should happily swap the weakling for a sound extra pawn
on the Q side, though Stockfish11 reckons it's still a draw} Ke6 41. Nc8 Na4
42. Kd3 Ke5 43. Kc2) 40... a6 41. Nb4 (41. e5+ Kf5 42. e4+ Ke6 43. Ke3 Nd7 44.
Nd8+ Ke7 45. Nc6+ Ke6 $11 {Stockfish11}) 41... b5 $6 (41... Ke5 42. Nd5 Nd7 (
42... Nxe4 43. Nxb6 Ng5+ 44. Kg2 Kd6 45. h4 Ne6 46. Na4 Nc5 47. Nb2 Ke5 48. Kf3
$11) 43. Nb4 a5 44. Nd3+ Kf6 $11 {Stockfish11}) 42. cxb5 axb5 43. Nd5+ Ke5 44.
Nc3 $16 g5 45. g4 (45. Nxb5 Nxe4 46. a4 $18 {Ns have great trouble with Rs
pawns; with other pawns they can jump away either side when challenged}) 45...
h4 46. Nxb5 Nxe4 47. a4 $18 Nc5 48. a5 Na6 49. Nd4 (49. Nc3 Nc5 50. e4 Kd4 51.
Nb5+ Ke5 52. Ke3 f6 53. Nc7 Kd6 54. Nd5 Ke5 55. Nb4 Nxe4 56. a6 Nd6 57. Nc6+
Kd5 58. Ne7+ Kc5 (58... Ke5 59. a7 Nc4+ 60. Kd3 Nb6 61. Nf5 Kd5 62. Ne3+ Kc5 (
62... Ke5 63. Nc4+) 63. Ke4) 59. a7 Nc4+ 60. Ke4 Nb6 61. Kf5 $18 {Stockfish11})
49... Nb8 50. Nf5 Na6 51. Nh6 (51. e4 Nb4 52. Ke3) 51... f6 52. Nf5 Nc5 53. e4
Na6 (53... Nxe4 54. a6 Nd2+ 55. Ke3 Nc4+ 56. Kd3 Nb6 57. a7 Kd5 58. Ne7+ Ke6
59. Nc6 Kd6 60. Na5 Kd5 61. Nc4 Na8 62. Ne3+ Ke5 63. Kc4 Kf4 64. Nf5 Kf3 65.
Kc5 Kg2 66. Kc6 Kxh3 67. Kb7 (67. Nh6 Kg3 68. Kb7 h3 69. Kxa8 h2 70. Kb8 h1=Q
71. a8=Q Qxh6 $19) 67... Kxg4 68. Kxa8 h3 69. Nh6+ Kh5 70. Kb8 h2 71. a8=Q Kxh6
72. Qh1 $18 (72. Qf3 $18 {Stockfish11})) 54. Ke3 (54. Ne7) 54... Nc5 55. Nd4 (
55. Ne7) 55... Na6 56. Nb3 (56. Nf3+ {Stockfish11} Ke6 57. e5 $18 (57. Kd4 Kd6
58. e5+ fxe5+ 59. Nxe5 Nb4 60. Kc4 (60. Nf7+))) 56... Kd6 57. Kd4 Nb4 58. Kc4
Nc6 59. a6 Na7 60. Nd4 Ke5 61. Nb5 (61. Kc5 {quickest- Stockfish11} Nc8 62. Nf5
Kf4 63. Kc6 Na7+ 64. Kb6 Nc8+ 65. Kb7) 61... Nc8 62. Kd3 (62. Kc5 {as above}
Kf4 63. Nd6) 62... Kf4 63. Kd4 (63. Nd6 {Stockfish11 & Rudy} Na7 64. Ne8 Ke5
65. Kc4 $18) 63... Kg3 64. Ke3 Kxh3 65. Kf3 Kh2 66. Kf2 (66. Nd6 {still wins,
but trickier} Kg1 67. Nxc8 h3 68. a7 h2 69. a8=Q h1=Q+ 70. Ke3 Qh3+ 71. Kd4
Qxg4 72. Qa1+ Kh2 73. Nd6 {on further reflection, Stockfish goes only definite
plus for Wh}) 66... Kh3 67. Kf3 (67. Nd6 {now though does again win- though
the variations are difficult for humans to find} Nxd6 (67... Na7 68. Kf3 (68.
Ne8 Kxg4 69. Nxf6+ Kf4 70. Kg2 Ke5 71. Ng4+ Kxe4 $11) 68... Kh2 (68... Nc6 69.
Ne8 Ne5+ 70. Kf2 $1 Nd3+ (70... Nxg4+ 71. Ke2 Kg3 72. a7 h3 73. a8=Q h2 74. e5
$18) (70... Kxg4 71. Nxf6+ Kf4 72. a7 $18 {queens}) 71. Ke3 Kg3 72. a7 h3 73.
a8=Q h2 74. e5 $18 {simplest} (74. Qa1 Nf2 75. Qf1 h1=Q 76. Qxf2+ Kxg4 77.
Nxf6+ Kh3 78. Qf5+ Kh2 79. Qh7+ Kg2 80. Qxh1+ Kxh1 81. e5 $18)) 69. e5 $1 {
Stockfish11} fxe5 70. Ne4 h3 71. Kf2 Nc6 72. Nxg5 e4 73. Nxe4 Kh1 74. g5 {
the N has 2 pawns to contend with &} h2 75. Ng3#) 68. a7 Kxg4 69. a8=Q) 67...
Kh2 68. Kf2 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.16"]
[Round "4.15"]
[White "Ley, Cyril"]
[Black "Knight, Colin B"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "1603"]
[BlackElo "1759"]
[Annotator "kemen"]
[PlyCount "58"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. d3 O-O 5. Nc3 d6 6. Rb1 (6. e4) 6... c5 (6...
a5) 7. Nd5 $146 (7. a3 {main}) (7. Nf3) 7... Nc6 8. Nxf6+ Bxf6 9. Bh6 Qa5+ 10.
Kf1 Bg7 11. Bxg7 Kxg7 12. a3 Qc7 (12... Bd7 13. h4 h5 $11) 13. e3 (13. b4)
13... a5 14. h4 h5 15. Nh3 Bg4 (15... Rb8) 16. f3 Bf5 (16... Bxh3 17. Bxh3 e5
$15 {Stockfish11}) 17. g4 (17. Nf4) 17... Be6 (17... hxg4 18. fxg4 Bd7 $15) 18.
Nf4 (18. gxh5 {Stockfish11} gxh5 19. Nf4 Rh8 (19... Kh6 20. Qd2 $16) 20. Nxe6+
fxe6 21. Rg1 Kf7 22. f4 $16) 18... Rh8 (18... hxg4) 19. Rc1 hxg4 20. fxg4 Bd7 (
20... Qd7) 21. Nd5 (21. g5 $11) 21... Qd8 22. d4 e6 $19 23. Qf3 {the trouble
with this is that it's not a R on fi, but a K} (23. Nf4 Rxh4 24. Rxh4 Qxh4 25.
dxc5 e5 26. Nd5 Bxg4 $19 {Stockfish11}) 23... exd5 $19 (23... cxd4 $19) 24.
cxd5 Nxd4 (24... Na7 25. dxc5 Rxh4 $19 {Stockfish11}) 25. exd4 Rxh4 $19 (25...
cxd4 $19) 26. dxc5 Bxg4 {gives Wh a little bit of a breather} (26... dxc5 $19)
(26... Rxh1+ 27. Bxh1 dxc5 $19) 27. Qc3+ Kg8 28. cxd6 (28. Rxh4 Qxh4 29. c6
bxc6 30. dxc6 a4 $17 {but the c pawn could well save the game for Wh}) 28...
Rc8 $19 29. Qe1 (29. Qd2 $19) 29... Qf6+ (29... Qf6+ 30. Kg1 Qd4+ 31. Kf1 Qf4+
32. Kg1 Rxc1 33. Qxc1 Qxc1+ 34. Kf2 Qf4+ 35. Ke1 Qe3+ 36. Kf1 Be2+ 37. Ke1 Bc4+
38. Kd1 Bb3#) 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.16"]
[Round "4.16"]
[White "Francis, Matthew"]
[Black "Williams, R Gareth"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1642"]
[BlackElo "1642"]
[Annotator "kemen"]
[PlyCount "70"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,70,80,31,17,14,72,57,82,63,63,43,53,26,26,33,57,27,42,49,35,41,-78,
-149,-36,-94,-78,-82,-84,-213,-211,-211,-186,-191,-195,-179,-198,-188,-177,
-183,-181,-214,-233,-222,-224,-236,-269,-254,-249,-261,-262,-262,-242,-267,
-265,-280,-261,-253,-293,-292,-242,-306,-296,-341,-349,-381,-398,-398,-405,
-396,-421,-458,-436]} 1. e4 d5 2. exd5 Qxd5 3. Nf3 (3. Nc3 {main}) 3... Bg4 (
3... Nf6 {main}) 4. Be2 Nc6 5. d4 O-O-O 6. c4 Qf5 7. Be3 e6 (7... Bxf3 {main}
8. Bxf3 Nxd4 9. Bxd4 (9. Bg4 Nc2+) 9... Qe6+ 10. Be2 Qe4 11. O-O Qxd4 12. Qa4
e6 13. Nc3 {55% for Wh- is some complex theoretical stuff}) 8. O-O Nf6 9. Nc3
Bd6 (9... Bc5 {when} 10. Qa4 {works a bit better for Wh than} (10. Qb3)) 10. c5
{has been played} (10. Nb5 {main, 3 wins each & a draw}) 10... Bxc5 (10... Be7
11. h3 Bxf3 12. Bxf3 Bxc5 13. Bxc6 bxc6 14. Qa4 {Soergel-Fischer;
Regionnalliga Bayern 2000,1-0}) 11. Qa4 {Wh might get some chances down the c
file for the missing pawn} Bd6 (11... Bb6 12. d5 exd5 13. Bxb6 cxb6 14. Rac1
Kb8 (14... Bxf3 15. Bxf3 Kb8 $19) 15. Nb5 a5 16. Rxc6 bxc6 17. Nbd4 Qc8 18.
Nxc6+ $11 {De Armas-Ribeiro, Capablanca mem, Matanzas, 1/2-1/2}) (11... Bxf3 $1
{Stockfish11 ends all Wh's hopes} 12. dxc5 (12. Bxf3 Nxd4 {is worse for Wh})
12... Bxe2 13. Nxe2 Nd5 $19) 12. Nb5 (12. h3 Bh5 (12... Bxf3 13. Bxf3 $16) 13.
a3 (13. Rfc1 Qa5 14. Qd1 e5 $15) (13. g4 $2 Bxg4 $19 14. hxg4 Qxg4+ 15. Kh1
Qh3+ 16. Kg1 Ng4) (13. d5 Bxf3 14. Bxf3 exd5 15. Rfd1 d4 (15... h5 16. Rac1 $11
) 16. Bxd4 Nxd4 17. Rxd4 a6 18. Rad1 $11 {Stockfish11}) 13... Kb8 (13... Qa5
14. Qc4 $11) 14. Rfc1 Nd5 15. Nxd5 Qxd5 16. b4 Ne7 17. b5 Nf5 $15 18. Bg5 Bxf3
(18... f6 19. Bc4 Qxf3 20. gxf3 fxg5 21. Bxe6 Nxd4 $11 {Stockfish11}) 19. Bxf3
Qxd4 20. Qxd4 Nxd4 21. Bxd8 Rxd8 $17 (21... Nxf3+ 22. gxf3 Rxd8 $17 {
Stockfish11})) 12... a6 13. Nxd6+ Rxd6 $17 14. b4 (14. Rac1) 14... Bxf3 15.
Bxf3 Nxd4 $19 16. Bxd4 Rxd4 17. Rac1 Qb5 {Bl's pieces are too centralized, so
wh just has a 2 pawn deficit} 18. Qc2 Qb6 19. a3 Rhd8 20. Rfe1 Rd2 21. Qc5 Qxc5
22. Rxc5 Ra2 23. Rc3 Rdd2 24. Rec1 c6 (24... Ne8 25. Rf1 Nd6 {Stockfish11}) 25.
Rf1 Nd5 (25... h5 26. h3 g5 {Stockfish11}) 26. Rb3 Kc7 (26... Nf4) (26... Kd7)
27. Be4 h6 28. Bb1 Rab2 29. Rf3 f6 (29... f5) 30. Rg3 g5 31. Rh3 f5 32. Rxh6 {
the R goes offside, but there is no saving the game} Nc3 33. Rxe6 Nxb1 34. Re3
f4 35. Re7+ Kb6 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.16"]
[Round "5.1"]
[White "Young, Alan"]
[Black "Williams, A. Howard"]
[Result "1/2-1/2"]
[ECO "C72"]
[WhiteElo "2051"]
[BlackElo "2246"]
[Annotator "kemen"]
[PlyCount "33"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O (5. c3) 5... Bd7 6. d4 (6. c3)
6... exd4 (6... Nf6) 7. Nxd4 b5 8. Nxc6 (8. Bb3 Nxd4 9. Qxd4 c5 10. Qd5 c4 {
Noah's Ark, wins B}) 8... Bxc6 9. Bb3 Nf6 10. Nc3 (10. c4 {main, elite GMs})
10... Be7 11. Re1 O-O 12. a4 b4 $6 {the pawn gets weak} (12... Re8) 13. Nd5
Bxd5 (13... Nxd5 14. exd5 Bd7 {2 draws}) 14. exd5 Nd7 15. Be3 (15. a5 Nc5 16.
Ba4 Rb8 17. Bc6 Bf6 18. Qe2 Bd4 19. Rb1 Qf6 20. Rd1 h6 21. Qd2 Rfe8 (21... Bc3
$1 {Finkel}) 22. Bxe8 Rxe8 23. Qf4 {Leko-Mamedyarov, Corus Wijk aan Zee 2006,
1-0}) 15... Bf6 16. Bd4 Nc5 17. Bc4 $14 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.16"]
[Round "5.2"]
[White "May, Frank"]
[Black "Zeidler, Sven P."]
[Result "1/2-1/2"]
[ECO "A26"]
[WhiteElo "2019"]
[BlackElo "2186"]
[Annotator "kemen"]
[PlyCount "138"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,12,29,25,62,68,73,67,88,63,63,33,29,23,40]} 1. Nf3 f5 2. g3 Nf6 3. Bg2
g6 4. O-O Bg7 5. d3 (5. d4) 5... d6 6. c4 Nc6 7. Nc3 O-O 8. Rb1 a5 9. a3 e5 {
transposed to English vs King's Indian from initial Leningrad Dutch} (9... Nh5)
10. b4 axb4 11. axb4 h6 12. b5 Ne7 13. Nd2 (13. Bb2) (13. Qb3) (13. c5) 13...
f4 (13... g5 {main}) 14. Qb3 (14. Nd5 Nexd5 15. cxd5 g5 16. Qb3 b6 17. Bb2 {0-2
}) (14. Nde4 Nxe4 15. Nxe4 g5 16. Bb2 Nf5 {D Fletcher-Van Kemenade, Bradford
Central-Huddersfield 1983,0-1}) 14... Kh7 (14... Nf5 {Stockfish11}) 15. Bb2 Rb8
{Bl need not fear a R exchange on the a file, as this removes the other R from
the defence of f2.} (15... Nf5) 16. Nde4 Be6 (16... Ng4 $5) 17. Nxf6+ Rxf6 18.
Nd5 Nxd5 (18... Rf7) 19. cxd5 Bg4 20. Qd1 (20. f3 Bd7 21. d4 $11 {Stockfish11-
but it buries the Bg2}) 20... Qd7 (20... Rf7 $15) 21. Bc3 (21. b6) 21... Bh3 (
21... Rbf8 $5 {Rudy}) 22. b6 Bxg2 23. Kxg2 c6 (23... c5 $15 {Stockfish11}) 24.
Qa4 $11 Rf7 (24... Rc8 $11 {Stockfish11-prevents Wh getting a passed b pawn})
25. dxc6 Qxc6+ 26. Qxc6 bxc6 27. Rfc1 (27. gxf4 exf4 28. Rfc1 $14 {Stockfish11}
) 27... Rfb7 (27... fxg3 28. hxg3 Rfb7 $11 {Stockfish11}) 28. gxf4 $16 Rxb6 (
28... exf4 29. Bxg7 Kxg7 30. Rxc6 $18) 29. Rxb6 Rxb6 30. fxe5 Bxe5 31. Bxe5
dxe5 32. Rc5 e4 (32... Rb5 {is a better try, suggests Stockfish11} 33. Rxc6 Kg7
$16 {the pawns are all on the same side, but e5 is a weakness}) 33. dxe4 $18
Kg7 34. f4 Kf6 35. h4 Ke6 36. h5 {looks a little early} (36. Kf3) (36. f5+ {
looks possible as it undoubles a pawn} gxf5 37. exf5+ Kd6 38. Ra5 Rb3 39. h5 c5
40. Ra6+ Ke5 41. Rxh6 Kxf5 42. Rc6 {only move to win, Lomonosov tablebases})
36... Kd6 37. Ra5 g5 38. fxg5 hxg5 39. Rxg5 $18 Rb2 (39... Rb7) 40. Kf3 (40. h6
Rxe2+ (40... Rb8 41. Kf3 c5 42. Rd5+ Kc6 43. h7 Rh8 44. Rh5 Kd6 45. Ke3 $18)
41. Kg3 $18 {Lomonosov tablebases}) 40... Rb1 41. Rg6+ (41. Kg4 {supports the
most advanced pawn} Ke6 (41... Rh1 42. Kf5) 42. h6 Rh1 43. Rh5 {wins} (43. Rc5
{Stockfish11 even more forcing})) 41... Kd7 42. h6 c5 43. Rg5 (43. h7 $1 {
Stockfish11} Rh1 44. Ra6 Rf1+ 45. Kg4 Rf8 46. Kg5 c4 47. Kg6 (47. Rh6 Rh8 48.
Kg6 c3 49. Kg7 c2 50. Rh1 $18) 47... Re8 48. Ra7+ Kd6 49. Kg7 Ke5 50. h8=Q Rxh8
51. Kxh8 Kxe4 52. Kg7 Ke3 53. Re7+ Kd2 (53... Kd4 54. Kf6 c3 55. Rc7 $18) 54.
e4 $18) 43... Rh1 44. Rxc5 (44. Rg6 $18) 44... Rxh6 {dead drawn position,
Nalimov tablebases. The extra half pawn should make no real difference.} 45.
Ra5 Rh3+ 46. Kf4 Rh4+ 47. Ke3 Rh2 48. Ra6 Ke7 49. Ra2 Rh1 50. Kd4 Rd1+ (50...
Ke6 $5) 51. Ke5 {Stockfish11 thinks Wh is now winning, but the Nalimov
tablebases show otherwise} Re1 52. Ra7+ Kf8 (52... Ke8 $2 {would lose} 53. Ke6
Kf8 54. Ra2 Rb1 55. Ra8+ Kg7 56. e5 $18) (52... Kd8 {also holds}) 53. Kf6 Rf1+
54. Ke6 Rf2 {however this should also lose!} (54... Rf4 55. e5 Re4 {draws-
Nalimov tablebases}) 55. Ra2 (55. e3 {only move to win} Rb2 56. Ra8+ {drives
the K away} Kg7 57. e5 Rb6+ 58. Kd7 Rb7+ 59. Ke8 Rb6 60. Ra7+ Kg6 61. e4 Re6+
62. Re7 Ra6 63. Kf8 Rb6 64. Rg7+ Kh6 65. Rd7 Kg5 66. Kf7 {Nalimov tablebases})
55... Rh2 {still losing} (55... Rf4 {only move to draw- Nalimov}) 56. e5 $18
Rh6+ 57. Kf5 {the wrong way though from Wh} (57. Kd7 $18 {only way} Rh4 (57...
Rh7+ 58. Kd6 $1 {other moves draw} Rb7 59. Ra8+ Kg7 60. e6) 58. Ra8+ (58. e3) (
58. Ra3) (58. Ra6 {all 3 also work, driving the Bl K away}) 58... Kg7 59. e6
$18 {Nalimov}) 57... Rb6 58. Ra8+ Ke7 59. Ra7+ Ke8 60. e6 Rb1 (60... Rb4 {
is the only other move that also draws}) 61. Kf6 Rf1+ 62. Ke5 Rb1 {most moves
now draw} 63. e4 Rh1 64. e7 (64. Rf7 Rh5+ 65. Kf6 Rh6+ $11) 64... Rh5+ 65. Kf6
Rh6+ 66. Kg5 Rb6 67. Kf5 Rc6 68. e5 Rb6 69. e6 Rb5+ (69... Rxe6 70. Kxe6 {
looks niftier}) 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.16"]
[Round "5.3"]
[White "Jones, Iolo C"]
[Black "Bourne, Johnathan D"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "2163"]
[BlackElo "1904"]
[Annotator "kemen"]
[PlyCount "62"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,22,19,-12,-12,-12,32,25,12,3,6,-1,5,-1,11,18,18,18,37,21,14,17,16,16,
17]} 1. c4 Nf6 (1... c5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e3 Nh6 6. Nge2 Nf5 7.
O-O a6 8. d3 Rb8 {Jones-Rooze, World Seniors 65+, 2019,0-1}) 2. Nc3 g6 3. g3
Bg7 4. Bg2 c5 (4... O-O 5. e3 d6 6. Nge2 e5 7. O-O Nc6 8. d4 Bf5 9. d5 Ne7 10.
e4 Bd7 11. f4 exf4 12. Bxf4 Ng4 13. Qd2 Kh8 14. h3 Ne5 15. b3 a6 {Jones-Can,
EU ch tm 2011, 0-1}) 5. e3 (5. Nf3 {main}) 5... Nc6 6. Nge2 O-O 7. O-O d6 8. d4
cxd4 9. exd4 Bf5 10. h3 h5 {66% for Wh in 71 games} 11. Bg5 $11 (11. Be3 $11 {
also}) 11... Rc8 12. b3 Qd7 13. Kh2 Nh7 (13... Rfe8 14. d5 Nb4 15. Nd4 Bd3 16.
Re1 Ng4+ 17. hxg4 Bxd4 18. Qd2 Qxg4 19. Bh3 (19. Ne4 Bxa1 20. Bh3 Nc2 21. Bxg4
Nxe1 22. Bxh5 Bxe4 23. Qxe1 Be5 24. Qxe4 gxh5 25. Qh4 $18) 19... Qf3 20. Be3
Nc2 (20... Be5 21. Bh6 Nc2 22. Rxe5 dxe5 23. Bg2 Nd4 24. Re1 h4 $11 {
Stockfish11}) 21. Bxd4 $18 {Pirisi-Meszaros, HUN ch tm 2008,1-0}) 14. Be3 Nb4
15. Ne4 (15. Rc1 $16) 15... d5 $11 16. cxd5 (16. a3 Na6 (16... Bxe4 17. Bxe4
dxe4 18. axb4 b5 19. c5 Rfd8 20. Qd2 Nf6 21. Nc3 Qb7 22. Rfd1 Nd5 23. Nxd5 Rxd5
$11 {Stockfish11})) 16... Nxd5 (16... Bxe4 17. Bxe4 Nf6 18. Bg2 Nfxd5 $17) 17.
Bd2 (17. Nc5 Qc6 (17... Rxc5 18. dxc5 Nxe3 19. fxe3 Qc7 20. Rc1 h4 21. Kh1 hxg3
22. Qd5 $14 {Stockfish11}) 18. Nf4 Nhf6 19. Qf3 Rfd8 20. Rac1 Qb6 21. Nxd5 Nxd5
22. Rfd1 Rc7 $15) 17... b6 $17 {the IQP gets in Wh's way} 18. Rc1 Rxc1 19. Bxc1
Rc8 20. Re1 Nhf6 21. Nxf6+ Bxf6 22. Bd2 (22. Nf4 Nb4 23. Be3 Bg7 24. Qd2 Qd6
25. Qe2 Nc2 26. Rd1 Nxd4 27. Qa6 e5 $19 {Stockfish11}) 22... Bc2 $17 (22... g5
$19) 23. Qa1 Bd3 (23... g5 $19) 24. Nc1 (24. Bxd5 Qxd5 25. Nf4 Qb5 26. Nxd3
Qxd3 27. Be3 Rc2 $17 {Stockfish11}) 24... Bf5 $19 25. h4 (25. a4 Rc2 26. Re2 e6
27. Be1 Qc8 28. Rxc2 Qxc2 29. Bxd5 exd5 30. Qc3 Qd1 $19 {Stockfish11}) 25...
Rc2 (25... Nb4 26. Ne2 (26. Bxb4 Bxd4 27. Rxe7 Bxa1 28. Rxd7 Bxd7 $19) 26...
Nc2 27. Qd1 Nxe1 28. Qxe1 Rc2 $19 {Stockfish11}) (25... Nf4 26. Bxf4 Bxd4 27.
Rxe7 Bxa1 28. Rxd7 Bxd7 $19 {Stockfish11}) 26. Rd1 Bg4 27. f3 Bf5 28. Kg1 Qd6
29. Kf2 Nc3 (29... Nf4 $19) (29... Qb4 $19) 30. Ne2 Bxd4+ 31. Kf1 (31. Nxd4
Qxd4+ 32. Kf1 (32. Ke1 Qg1+ 33. Bf1 Qxg3#) 32... Bd3+ 33. Ke1 Qg1+ 34. Bf1
Qxf1#) 31... Nxe2 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.16"]
[Round "5.4"]
[White "Heap, Gerry"]
[Black "Harding, Gareth"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2111"]
[BlackElo "1557"]
[Annotator "kemen"]
[PlyCount "59"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,19,18,-5,2,-12,22,5,6,9,14,-6,42,17,29,12,19,8,29,20,35,17]} 1. g3 d5
2. Nf3 e6 3. Bg2 Nf6 4. O-O Be7 5. c4 c6 6. b3 O-O 7. Bb2 Nbd7 8. Qc2 (8. d4)
8... Re8 9. d3 c5 (9... Bf8) (9... Bd6) 10. Nbd2 (10. e4 {Stockfish11} d4 11.
e5 Ng4 12. Qe2 Nh6 13. Bc1 f5 14. Bxh6 gxh6 15. h4 {Caravaggi-Bouton,Paris ch
op 2002,1-0}) (10. e3 b6 11. Nbd2 Bb7 12. Rad1 Rc8 13. Ne1 Qc7 14. Ndf3 Bf8 15.
Rc1 Qb8 16. cxd5 Nxd5 17. Qc4 N5f6 18. Ng5 {Wiese-Martens, Mecklenburg VP 2002,
1-0}) 10... d4 11. b4 (11. e3 e5 12. exd4 exd4 13. b4 $14 {Stockfish11}) 11...
e5 12. bxc5 Bxc5 $11 13. Nb3 Qc7 (13... Bf8 14. a4 Rb8 $11) 14. Nfd2 (14. Rfc1
Rb8 15. a4 b6 16. a5 bxa5 17. Nxa5 Re6 18. Nb3 Reb6 19. Nfd2 a6 20. Ba3 Bxa3
21. Rxa3 Nc5 22. Nxc5 Rb2 23. Qd1 Qxc5 24. Ra4 Qc7 25. Rc2 $14 {
Mamonovas-Voveris, LTU ch email ICCF 2007,1-0}) 14... Rb8 15. a4 b6 16. a5 Bb7
17. axb6 Qxb6 (17... Bxb6) (17... axb6) 18. Nxc5 Nxc5 19. Rfb1 (19. Bxb7 Qxb7
20. Rfb1) 19... Qc7 (19... Bxg2 20. Kxg2 Qc6+ 21. f3 Ra8 $14 {Stockfish11}) 20.
Rxa7 $16 Qb6 21. Raa1 Bxg2 22. Kxg2 Qc6+ 23. Kg1 $18 (23. f3 Ng4 24. Nf1 h5 25.
Ba3 Rxb1 26. Rxb1 Nd7 27. h3 Ngf6 28. Rb5 $18 {Stockfish11}) 23... Ng4 24. Ba3
Ne6 25. Ne4 (25. Rxb8 Rxb8 26. Rb1 Ra8 27. Qb3 $16 {Stockfish11}) (25. Nf3 $16)
25... f5 $11 26. Nd6 Ng5 27. f3 Nh3+ (27... Ne3) 28. Kh1 Nhf2+ 29. Kg1 Nh3+ 30.
Kh1 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.16"]
[Round "5.5"]
[White "Garcia, Jason"]
[Black "Richmond, Jane"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2029"]
[BlackElo "2101"]
[Annotator "kemen"]
[PlyCount "40"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 (6. d4) 6... c5 7. e3
Nc6 8. Bb2 a6 (8... b6) 9. cxd5 exd5 (9... Nxd5 {scores better for Bl}) 10. d4
Bg4 11. dxc5 Ne4 (11... Bxc5 $11 {4 Wh wins, 2 draws, 2 Bl wins}) 12. Nc3 {
Stockfish11} (12. h3 {Stockfish11} Bh5 13. b4 Bf6 14. Qb3 a5 15. g4 Bg6 16. b5
Nb4 17. Bd4 Nxc5 18. Bxc5 Bxa1 19. Bxf8 Kxf8 20. Nd4 Bd3 $17 {Kostanjsek-Alexan
ostanjsek-Alexander, Bled op 1998.1-0}) 12... Bf6 13. Qc1 Nxc5 14. Rd1 $16 Nb4
15. Nxd5 Nxd5 (15... Bxb2 16. Qxc5 Nxd5 17. Rab1 Qf6 18. Rxd5 Rac8 19. Qd6 Be6
20. Rdd1 $16 {Stockfish11}) 16. Bxf6 (16. Qxc5 Bxb2 17. Rab1 (17. Rxd5 Bxa1 18.
Rxd8 Rfxd8 19. h3 Rac8 20. Qb6 Rd1+ 21. Kh2 Bxf3 22. Bxf3 Rd7 23. Kg2 $14)
17... Qf6 18. Rxd5 $16 {Stockfish11}) 16... Qxf6 $15 {Wh spent quite some time
thinking here} 17. Rxd5 Ne4 (17... Rac8 $1 18. Qd1 Rcd8 19. Rd4 Ne6 20. Rxg4
Rxd1+ 21. Rxd1 Qb2 22. Ra4 b6 $17 (22... g6 $15) 23. Rxa6 Qe2 $19) 18. Ne5
Qxf2+ (18... Nxf2 $11) 19. Kh1 Nf6 20. Nd3 Qe2 (20... Qe2 21. Bf1 Qf3+ 22. Bg2
Qe2 23. Bf1) 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.16"]
[Round "5.6"]
[White "Hewitt, William"]
[Black "Powell, Lloyd"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1990"]
[BlackElo "2064"]
[Annotator "kemen"]
[PlyCount "31"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,27,40,18,46,48,66,6,42,27,27,27,27,27,27,27,59,59,59,59,44,46,59,59,
65,59,59,69,72,67]} 1. e4 c5 2. Nf3 e6 3. c3 Nf6 (3... d5) 4. e5 Nd5 5. d4 cxd4
6. cxd4 Nc6 7. Nc3 (7. Bc4) 7... Nxc3 8. bxc3 d6 9. exd6 Bxd6 10. Bd3 h6 11.
O-O O-O 12. Qe2 (12. Re1 {main}) 12... Bd7 (12... Re8 {main}) 13. Rb1 b6 14.
Re1 (14. Ne5 Bxe5 15. dxe5 Ne7 16. Ba3 Re8 17. Qe4 Ng6 18. f4 Bc6 19. Qe2 Nh4
20. g3 Nf5 21. Bxf5 (21. g4 $11) 21... exf5 22. Rbd1 Qc8 $15 {Linik-Klekowski,
EU ch rapid, Katowice 2017,0-1}) 14... Qe7 (14... Qc7) 15. Bd2 f5 16. Bb5 $14 {
(draw?)} 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.16"]
[Round "5.7"]
[White "Barnaby, Nicholas M S"]
[Black "Waddington, Mike P"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "1750"]
[BlackElo "2046"]
[Annotator "kemen"]
[PlyCount "112"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,7,37,38,75,34,40,-31,41,0]} 1. d4 f5 2. Qd3 (2. e4 fxe4 3. Nc3 Nf6 4.
Bg5 c6 5. Bxf6 exf6 6. Nxe4 d5 7. Ng3 Bd6 8. Bd3 O-O {Barnaby-R Thomas, Dyfed
Open 2019,0-1}) (2. Bg5 h6 3. Bd2 Nf6 4. Nc3 g6 5. h3 d5 6. Nf3 Be6 7. Ne5 Bf7
8. g4 e6 9. e3 Nbd7 10. f4 Bb4 {Barnaby-R Van Kemenade, Halifax 1993,0-1}) 2...
d5 3. g4 e6 (3... fxg4 {main} 4. h3 g3 (4... Nf6)) 4. g5 (4. gxf5 exf5 5. Nf3 {
main}) 4... c5 (4... Bd6 {2.5-1.5}) 5. c3 (5. dxc5 Bxc5 6. Be3 Bxe3 7. Qxe3 d4
8. Qd2 Nc6 9. Nf3 h6 10. Rg1 hxg5 11. Qxg5 {Myc-Nowicki, Mazowiec ch tm 2017,1/
2-1/2}) 5... Nc6 6. f4 (6. Nf3 Bd7 7. Bg2 Rc8 8. dxc5 Bxc5 9. Nbd2 Nge7 10. O-O
e5 11. Nb3 e4 12. Qd1 exf3 {Bellipanni-Herraiz Hidalgo, Malaga op 2008,0-1})
6... Bd7 (6... h6 $17 {Stockfish11}) 7. e3 c4 (7... h6) 8. Qd1 b5 9. b3 (9. h4
$11 {Stockfish11}) 9... Bd6 10. Qh5+ Kf8 11. Qd1 Nge7 (11... h6 {Stockfish11})
12. h4 Qb8 13. Rh2 {(draw?) Wh's set-up is akin to the structures of Mike
Surtees's Revolutionary Opening Theory, though he is more often using it as Bl.
} (13. h5 $14 {Stockfish11}) 13... Nc8 14. a4 Na5 15. axb5 (15. Nd2 Nxb3 16.
Nxb3 cxb3 17. axb5 Bxb5 18. Qxb3 Bxf1 19. Qxb8 Rxb8 20. Kxf1 h6 21. Nf3 hxg5
22. Nxg5 Ke7 23. Nf3 a5 24. Rha2 Bc7 25. Ba3+ Kf6 26. Bc5 $14 {Stockfish11})
15... Nxb3 16. Raa2 Bxb5 (16... Qxb5 17. Nf3 Nxc1 18. Qxc1 Ne7 19. h5 a5 $15 {
Stockfish11}) 17. Nd2 (17. Ba3) 17... Nxc1 18. Qxc1 Nb6 19. Be2 Ke7 20. Ngf3
Rc8 21. Ne5 {(draw?)} Be8 (21... a5 $17) 22. Bd1 Kf8 23. h5 Qc7 (23... a5 $19 {
Stockfish11}) 24. Nf1 (24. Ra6) 24... Rcb8 25. Ng3 Kg8 26. Rhb2 Qe7 $17 (26...
a5 $19) 27. Qb1 Ba3 (27... Bxe5 28. dxe5 h6 $19 {Stockfish11} 29. gxh6 Qh4 30.
Rg2 d4 31. cxd4 Bc6 32. Rg1 Nd5 33. Qc1 Nb4 34. Ra3 Bd5 $19 35. Kd2 Nd3 36.
Rxd3 cxd3 37. Kxd3 Rb7 $19) 28. Rh2 Bd6 29. Rhb2 Rc8 30. Bc2 {(draw?)} (30. Kf1
Bxe5 31. dxe5 d4 32. exd4 Nd5 33. Qc1 h6 $15 {Stockfish11}) (30. Qa1 Nd7 31.
Nxd7 Qxd7 32. Kf2 $11 {Stockfish11}) 30... Rab8 (30... Ba3 $19 31. Nxf5 exf5
32. Bxf5 Bxb2 33. Bxh7+ Kh8 34. Rxb2 Nd7 35. Rb7 Rab8 36. Bf5 Rd8 37. Kf2 Qd6
$19 {Stockfish11}) 31. Nxf5 {(draw?)} exf5 32. Bxf5 Bxe5 (32... Rd8 $19 33.
Bxh7+ Kh8 34. Bc2 Nd7 35. h6 Nxe5 36. dxe5 Bxe5 37. fxe5 Qxg5 38. hxg7+ Kxg7
39. Rxa7+ (39. Rxb8 Qg1+ 40. Kd2 Qf2+ $19) 39... Rd7 40. Rxb8 Qxe3+ 41. Kf1
Rxa7 42. Rb7+ (42. Rxe8 Rf7+ $19) 42... Rxb7 43. Qxb7+ Bf7 44. Bb1 Qxc3 $19 {
Stockfish11}) 33. dxe5 $11 (33. Bxh7+ Kh8 34. dxe5 $11 {Stockfish11}) 33... Rc7
34. Bxh7+ Kh8 35. Bg6 Qc5 36. Kf2 Bc6 (36... Bd7) 37. Qh1 (37. Qf5 Rf8 38. Qh3
Be8 39. Kg1 Qe7 40. Rh2 Kg8 41. Ra5 Bd7 (41... d4 42. cxd4 c3 43. Ra1 Nc4 44.
Bxe8 Rxe8 45. g6 Qd7 46. Qxd7 Rxd7 47. Rc1 Nxe3 48. Rxc3 Nd5 49. Rf3 $11) 42.
Qg2 $11 {Stockfish11}) 37... Rf8 (37... Qxe3+ 38. Kxe3 d4+ 39. Kxd4 Bxh1 40.
Be4 Rd8+ 41. Ke3 Bxe4 42. Kxe4 Nd5 43. Ra3 $11 {Stockfish11}) 38. Ke2 (38. Qh3
$18 Be8 (38... Kg8 39. h6 $18) 39. e6 Qe7 40. Kg1 Kg8 41. Rg2 Rb7 42. f5 $18 {
Stockfish11}) 38... Kg8 (38... Qxe3+ 39. Kxe3 d4+ 40. Kxd4 Bxh1 41. f5 (41.
Rxb6 $5) 41... Rd8+ 42. Ke3 Nd5+ 43. Kf2 Nxc3 $19 {the c pawn is now more
dangerous than the pawn mass around Bl's K, because of the exchange of Qs}) 39.
h6 d4 (39... Qxe3+ $19 {Stockfish11}) 40. cxd4 Qe7 (40... Bxh1 41. dxc5 Nd7 $11
{Stockfish11}) 41. Be4 (41. Qh3 $16 Bd7 (41... gxh6 42. Bf5 $16 (42. gxh6 Nd5
$19) 42... Rxf5 43. Qxf5 Qf7 44. Qxf7+ Kxf7 45. gxh6 c3 46. Rb1 Be4 47. Rg1 $16
) 42. Qh5 c3 43. Rc2 gxh6 44. Qxh6 Bg4+ 45. Ke1 Qb4 {unlikely to be found by
humans} (45... Qg7 {looks naturally what Bl has been playing for, but then the
pawn mass triumphs} 46. Qxg7+ Kxg7 47. Be4 Be6 48. Ra3 Nd5 49. Bxd5 Bxd5 50.
Raxc3 Rxc3 51. Rxc3 {and Stockfish considers Wh to be winning, even though the
Wh pawns looks becalmed} Kg6 52. Rc5 Rd8 53. Kd2 Kf5 54. e6 $1 Kxe6 55. e4 $1 {
tactics get the pawns moving}) 46. Be4 Rg7 47. Kf2 Rxf4+ 48. exf4 Qxd4+ 49. Kg3
Qxe4 50. Kxg4 Rf7 $11 {Stockfish11- very difficult to keep an evaulation of
all these complexities, even with the aid of an Engine}) 41... Bxe4 42. Qxe4 c3
(42... Qe6 43. hxg7 Kxg7 44. Ra1 c3 45. Rc2 Qg4+ 46. Kd3 Qd7 47. Ke2 Qg4+ 48.
Kd3 Qd7 $11 {Stockfish11}) 43. hxg7 Kxg7 44. Rc2 (44. f5 Qxg5 45. f6+ Kh8 46.
Rb1 Qh5+ 47. Kd3 c2 48. Rxc2 (48. Rh1 c1=N+ 49. Kd2 (49. Rxc1 Rxc1 $19) 49...
Nb3+ 50. Kd3 Nc1+ $11) 48... Rxc2 49. Kxc2 Qe2+ 50. Kb3 Qb5+ 51. Kc2 Qe2+ $11 {
Stockfish11}) 44... Rh8 45. Qg2 $2 (45. Kf2 $11) (45. e6 $11) (45. Kf3 $11) (
45. Ra1 $11) 45... Qe6 $19 (45... Qf7 $19) 46. e4 Qc4+ 47. Ke3 Kf8 (47... Rh4
$19 48. Qf3 Qb4 49. Kf2 Kg8 50. g6 Qxd4+ 51. Kg3 Rh6 52. f5 Qxe5+ 53. Kg2 Rh4
$19 {Stockfish11- another obscure initial move}) (47... Kg8 $1 48. g6 Rd7 49.
Kf2 Qxd4+ 50. Kf3 Qd1+ 51. Re2 Rh1 52. Kg3 Rd3+ 53. Kg4 Rg1 $19 {Stockfish11-
a more comprehensible sequence}) 48. g6 {(draw?)} Rd7 $19 49. d5 Kg8 {one
scoresheet registers Ka7, which might mean Kg7, but it seems to make no
difference to what follows. Stockfish11 considers g8 a better square than g7,
with some alternatives in mind.} (49... Qc5+ 50. Kd3 Qb5+ 51. Ke3 Nc4+ 52. Kf3
Qc5 53. Re2 Nd2+ 54. Kg4 (54. Raxd2 {Stockfish11 bailing out}) 54... Rg7 55. f5
Qe7 56. Qg3 Nf1 57. Qf2 Nh2+ {wins Q or K- Stockfish11}) (49... Kg7 50. Ra5 $1
(50. e6 Nxd5+ (50... Rxd5 {wins intead}) 51. exd5 Rxd5 52. Rxa7+ {is a natural
move to play here, with a drawn position. So in conclusion it seems that 49...
Kg8 was played after all.} (52. Kf2 {introduces sequence played in game}))
50... Qb4 51. Qg5 Nc4+ 52. Kf3 Qb6 53. Qf6+ Qxf6 54. exf6+ Kxg6 55. Rg2+ Kxf6
56. e5+ Nxe5+ 57. fxe5+ Kxe5 $11 {Stockfish11.}) 50. e6 (50. d6 $16) 50...
Nxd5+ 51. exd5 Rxd5 52. Kf2 Qxf4+ 53. Ke1 Qe3+ 54. Re2 Qc1+ 55. Kf2 Rf5+ 56.
Qf3 Rh2+ 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.16"]
[Round "5.8"]
[White "Van Kemenade, Rudy"]
[Black "Jones, Martin C"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1889"]
[BlackElo "1745"]
[Annotator "kemen"]
[PlyCount "77"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,77,19,31,72,53,43,25,80,77,95,69,64,1,63,63,106,124,162,141,141,113,
108,102,102,94,91,66,63,52,61,52,38,37,69,41,52,10,-7,4,-2,-4,9,9,9,15,18,26,
14,51,51,-3,106,106,108,110,132,101,109,84,117,88,72,80,85,87,81,70,201,221,
234,30,16,43,167,183,545,554,29997,29998]} 1. e4 c5 2. Nf3 e6 3. d3 g6 (3...
Nc6 4. g3 Be7 5. Bg2 Nf6 6. O-O d6 7. c3 a6 8. Qe2 Qc7 9. Ng5 $5 {Van
Kemenade-Jones,Dyfed League 2015,1-0}) (3... Qc7 4. g3 a6 5. Bg2 b5 6. O-O Bb7
7. Bf4 d6 8. c3 Nc6 9. a4 {Heap-Jones,Dyfed League 2014,1-0}) 4. Bg5 (4. g3 {
main}) 4... Qc7 (4... Qb6 {main} 5. Qc1 (5. Nbd2)) 5. Na3 (5. Nc3 a6 6. e5 Bg7
7. Qe2 Nc6 8. Bf4 Nge7 9. Ne4 {Van Kemenade-Yeo, Arena blitz 2017,1-0} (9. h4
Nd4 10. Nxd4 cxd4 11. Ne4 Bxe5 12. Nf6+ {hearthstones9-angelocicero4,
chesscube 2018,1-0})) (5. e5) (5. g3 Bg7 6. c3 Nc6 7. Na3 {8 Wh wins, 4 xdraws,
1 Bl win}) (5. d4 cxd4 6. Qxd4 f6 7. Be3 Qxc2 8. Bd3 Qc7 9. O-O Nc6 10. Qc3 Qa5
11. Qc1 $14 {Stockfish11}) 5... a6 6. e5 $5 (6. d4 h6 7. Bh4 d6 8. dxc5 Qxc5 9.
Be2 $14 {Stockfish11}) 6... Bg7 {an automatic move that leads to trouble} (6...
b5 $15) (6... Nc6 7. Nc4 b5 8. Nd6+ Bxd6 9. exd6 Qxd6 10. g3 Bb7 11. Bg2 f6 12.
Be3 Nd4 $17 {Stockfish11}) 7. Nc4 Bf8 (7... Nc6 8. Bf4 Nge7 9. Nd6+ Kf8 10. h4
$14 {Stockfish11}) 8. a4 $18 (8. Bf4 b5 9. Nd6+ Bxd6 10. exd6 Qb6 11. a4 $18 {
Stockfish11}) 8... d5 9. exd6 Bxd6 10. Nxd6+ (10. d4 $18 {Stockfish11}) (10. a5
) (10. h4) 10... Qxd6 11. Be2 (11. Nd2 $16 {considered by Wh}) 11... f6 12. Bh4
(12. Be3) 12... Nd7 13. Bg3 e5 14. h4 (14. c3) 14... Ne7 15. h5 g5 16. Nd2 (16.
O-O) 16... Nf5 (16... O-O 17. c3 $14) 17. Nc4 (17. Bf3) (17. c3) 17... Qc7 18.
Bh2 (18. a5 b5 19. axb6 Nxb6 20. Ne3 $14 {Stockfish11}) 18... Nb6 19. Ne3 Nxe3
(19... Be6 $11) 20. fxe3 $14 Nd5 21. Qd2 Be6 22. O-O (22. c4 Nb4 23. d4 O-O 24.
O-O Qd7 25. Rad1 Rad8 26. Qc3 $16 {Stockfish11}) 22... O-O {Bl has a pawn mass,
which should be good for Ns to attach to. Wh needs a position where the two Bs
can assist mobile pawns going forward} (22... Qe7 23. Bf3 $14) 23. c4 $16 Ne7 (
23... Nb6 24. a5 Nd7 (24... Nc8 25. d4) 25. d4 $18) 24. d4 Rad8 (24... Qd7 25.
d5 Bg4 26. a5 Bxe2 27. Qxe2 Nc8 28. e4 Nd6 29. Bg3 h6 30. Ra3 $18 {Stockfish11,
but it's not clear where Wh will break through}) 25. Qc3 (25. d5 {Stockfish11-
Wh was avoiding this , as the Bl N gets an excellent blockading square on d6.}
Bc8 26. g4 (26. Rf2) 26... Kh8 27. a5 Ng8 28. Kh1 Nh6 29. Rg1 Nf7 30. e4 Nd6
31. Bd3 Bd7 {and it will take Wh some time to engineer a breakthrough} 32. b4 {
looks like a starting point- but may well need more preparation}) 25... Nc8 (
25... cxd4 26. exd4 Qb6 $1 27. c5 Qc6 28. Bf3 e4 29. Bd6 Rf7 30. Rae1 f5 31. h6
Ng6 32. g3 $11 {Stockfish11}) 26. dxe5 (26. d5 Bd7 27. Rxf6 Rxf6 28. Bxe5 Rd6
29. h6 Bf5 30. e4 Qe7 31. Rf1 $18 {Stockfish11} Bd7 32. Rf6 Rxf6 33. Bxf6 Qxe4
34. Bxd8 Qb1+ 35. Bf1 Qg6 36. Qe5 Qxh6 37. Bxg5 $18) 26... f5 27. Rad1 $18 (27.
h6 Qe7 28. b3 Na7 29. Bf3 Nc6 30. Rad1 Nb4 31. Rd6 g4 32. Bd5 Nxd5 33. cxd5
Bxd5 34. e6 $18 {Stockfish11}) (27. Bf3 g4 (27... h6) 28. Bd5 $18 {Stockfish11}
Bxd5 29. cxd5 Rxd5 30. e4 $1 fxe4 31. Rxf8+ Kxf8 32. Rf1+ Kg8 33. Qg3 (33. Qe3
Qg7 34. h6 Qg6 35. Qf4) 33... Qg7 34. h6 Qg6 35. Qf4 Rd8 36. e6 $18 {
Stockfish11}) 27... Qf7 (27... Rxd1 28. Bxd1 Qf7 29. b3 Na7 30. Bf3 Nc6 31. Rd1
$18 {Stockfish11}) 28. Rxd8 (28. b3) (28. Rd5) 28... Rxd8 29. g4 Qd7 30. Rd1 (
30. gxf5 Bxf5 31. e6 Bxe6 (31... Qxe6 32. h6 Rd7 (32... Qxh6 33. Rxf5) 33. Bg4
$1 Bxg4 34. Qh8+ Kxh8 35. Rf8+ Qg8 36. Be5+ Rg7 37. hxg7#) 32. h6 Qe7 33. Rf6
Bh3 34. Bf3 Rd3 35. Qe5 Qxe5 36. Bxe5 Ne7 37. Bd6 $18 {Stockfish11}) 30... Qe7
31. Rxd8+ Qxd8 32. gxf5 Bxf5 33. Bf3 $18 {best, Stockfish11} (33. e6 Bxe6 34.
Qe5 Qe7 35. h6 Bd7 36. Qd5+ Kf8 37. Be5 $18 {Stockfish11}) 33... Ne7 (33... Be6
34. Bd5 Bxd5 35. Qd3 Ne7 36. e4 $18 {Stockfish11}) 34. e6 g4 35. Bxb7 (35. Qf6
$1 Qf8 (35... gxf3 36. Qf7+ Kh8 37. Be5#) 36. Qxf8+ Kxf8 37. Bxb7 $18 {
Stockfish11}) (35. h6 Qf8 36. Bd5 Qxh6 37. Qe5 Bd3 38. Bf4 Qg7 39. Qc7 h5 40.
Bd6 Qf8 41. Bg2 $18 {Stockfish11}) 35... Qd1+ 36. Kf2 g3+ (36... Bd3 {pm
analysis} 37. Qe1 {Martin} (37. Bg2 Qe2+ 38. Kg1 Qd1+ $11) (37. Kg3 Qe2 $1 {
Stockfish11} (37... Nf5+ 38. Kf4 Qe2 39. Bg1 Nd6 40. Bd5 Qf1+ 41. Ke5 $18 {
pm analysis}) 38. Bg1 Qf1 39. Bf2 Qh3+ 40. Kf4 Qxh5 41. e4 Ng6+ 42. Ke3 g3 43.
Qxd3 Qg5+ 44. Kf3 (44. Ke2 Nf4+) 44... Qf4+ 45. Ke2 Qxf2+ 46. Kd1 g2 47. Qd8+
Kg7 48. Qc7+ Kh6 49. Qh2+ Kg5 50. e5 g1=Q+ $19) 37... Qc2+ 38. Kg1 (38. Kg3
Nf5+ 39. Kxg4 Qxh2 $19) 38... Bxc4 39. Qf2 (39. Be5 Bxe6 $11) (39. Bd6 Nf5 40.
Bxc5 Bxe6 41. b4 a5 $11 {Stockfish11}) 39... Qd1+ 40. Kg2 Bxe6 41. e4 (41. a5
Bd5+ 42. Bxd5+ Qxd5+ 43. Kg1 Qd1+ 44. Kg2 (44. Qf1 Qxf1+ 45. Kxf1 Kg7 46. Bd6
Nc6 47. Bxc5 Nxa5 48. Kf2 Kh6 $15) 44... Qd5+ $11) 41... Qxa4 42. Be5 (42. Bg3
Qb4 43. Qf6 Qxb7 44. Qxe6+ Kf8 45. b3 Qb5 46. Bd6 Qe2+ 47. Kg3 Qe1+ 48. Kxg4
Qd1+ 49. Kf4 Qd2+ $11 50. Ke5 $2 Qh2+ 51. Kf6 Qh4+ 52. Ke5 Qg3+ 53. Kf6 Qg7#)
42... h6 43. Qf6 (43. Bc3 Nc6 44. Qe3 Qb5 $11) 43... Qc2+ $11) 37. Bxg3 Qxh5 (
37... Bd3 38. Bg2 $18 (38. Qe1 Qc2+ 39. Kg1 Bxc4 40. Be5 Bxe6 41. Qg3+ Kf7 42.
Qf4+ Ke8 43. Bxa6 $18)) (37... Bh3 38. Be5 $18 {pm analysis} (38. Bg2 $18 {
simplest})) (37... Bg4 38. h6 Nf5 39. Bd5 Qe2+ 40. Kg1 Qd1+ 41. Be1 $18) 38.
Qf6 Qe8 39. Be5 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.16"]
[Round "5.9"]
[White "Haigh, Tony"]
[Black "Marin Marin, Francisco Javier"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1773"]
[BlackElo "1776"]
[Annotator "kemen"]
[PlyCount "48"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,12,26,23,28,1,5,-9,-12,-9,-11,-55,-28,-20,-28]} 1. d4 Nf6 2. Bg5 d5 3.
Bxf6 exf6 4. e3 Bd6 5. g3 (5. c4 {main, 3 draws for Tony}) 5... Be6 6. Bg2 O-O
(6... c6 {main} 7. Nd2 Nd7 8. Ne2 Qe7 9. O-O f5 10. Nf4 Nf6 11. Nxe6 fxe6 12.
c4 O-O 13. c5 Bc7 14. b4 {|Haigh-Daniel, SWPL 2005,1-0}) 7. Nd2 (7. Ne2 {main})
7... Nd7 8. c3 $146 {Stockfish11} (8. Ne2 {2 games each}) 8... f5 9. Nh3 (9.
Ne2) (9. h4) 9... Nf6 (9... g5 $5 {Stockfish11}) 10. O-O Re8 11. Nf4 c6 12.
Nxe6 Rxe6 {3 moves to swap off a once moved B, which is obstructed by its own
pawns. But in a closed position, tempi don't matter quite as much ( however Ns
are then usually more useful than Bs)} 13. c4 dxc4 14. Nxc4 Bc7 15. b4 Ne4 (
15... h5 {Stockfish11}) 16. Qc2 Qg5 (16... Qe7) (16... h5) 17. Nd2 (17. Rab1)
17... Rae8 18. Rab1 (18. d5 $16 Nxd2 19. dxe6 Nxf1 20. exf7+ Kxf7 21. Rxf1 $16
{Stockfish11}) 18... Rh6 19. Nxe4 (19. b5 $16 {is the kind of move Wh needs to
get the Q side attack moving}) 19... fxe4 20. Bxe4 (20. b5 $16) 20... Qh5 21.
Rfd1 $2 (21. h4 g5 22. Bf5 $1 gxh4 23. g4 {holds the Wh position together} Rg6
24. Kh1 Qh6 25. Rb3 (25. Bxg6 hxg6 26. Qc5 Bb6 27. Qd6 Qg5 $16 {Bl gets a
little bit of play while the Wh Rs are as yet inactive}) 25... Rd6 26. b5 $18)
21... Qxh2+ 22. Kf1 Bxg3 $19 (22... Rf6 {also wins}) 23. fxg3 $2 (23. Rd2 Rf6
24. Bg2 h5 $19 {but Bl still has to be precise} 25. d5 cxd5 26. Bxd5 Rxe3 27.
Bg2 g6 $19) 23... Rf6+ 24. Ke1 Qxg3+ 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.16"]
[Round "5.10"]
[White "Williams, R Gareth"]
[Black "Taylor, Robert Graham"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1642"]
[BlackElo "1844"]
[Annotator "kemen"]
[PlyCount "64"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,15,24,12,56,16,26,20,17,19,41,41,41,38,28,31,70,70]} 1. e4 c5 2. Bc4
e6 3. Nc3 Nc6 4. Nf3 (4. f4) 4... d6 (4... a6) 5. O-O Be7 6. d4 (6. d3) 6...
cxd4 7. Nxd4 a6 (7... Nf6) 8. Nxc6 (8. Be3 {main}) 8... bxc6 9. a3 $146 (9. Qg4
Bf6 $16 {3-0}) (9. Re1 $11 {0-3}) (9. Bf4 {1 result in each category}) 9... Nf6
10. Re1 O-O $11 {but Bl has a useful central pawn mass} 11. Bf4 e5 12. Be3 (12.
Bg5 {simpler} h6 13. Bxf6 Bxf6 14. Re3 {and Wh has some activity, though the
Bl centre is solid}) 12... Ng4 13. Qe2 Nxe3 14. Qxe3 Kh8 $15 15. Rad1 f5 16. f3
(16. exf5 Bxf5 17. Bd3 {may be better though Bl has no problems with either}
Bd7 {or} (17... Rb8)) 16... f4 $17 {Bl can just build up for a K side attack
without Wh having much to interfere with the plan} 17. Qd3 Rf6 18. Re2 Rh6 {
it's usually best not to move pawns on the side where one is under attack
unless forced to do so- gaps are created & the pawns can't return to their post
} 19. g3 (19. Na4 $5 {trying to make something happen on the Q side to
distract Bl?}) 19... Qb6+ (19... fxg3 20. hxg3 d5 21. exd5 Bc5+ 22. Kf1 Qg5 $19
{Stockfish11-leaves the Wh pieces on the wrong side of the K}) 20. Kh1 fxg3 21.
Rg2 (21. Rg1 $5) 21... Rxh2+ (21... Bg5 22. Rxg3 Bf4 23. Rg2 Bh3 24. Re2 Qd8 {
Stockfish11- piling everything into the K- the Engine starts shedding material
for Wh to slow down the flow}) 22. Rxh2 gxh2 23. Na4 Qf2 (23... Qa7 24. Qf1 Bd7
25. Rd2 Rf8 $19 {preferred by Stockfish11}) 24. Rf1 Qg3 (24... Qa7 {preserves
the Q for the attack}) 25. f4 Qxd3 26. cxd3 Bh3 27. Rf2 exf4 28. Kxh2 Bg4 29.
Rxf4 h5 {Bl's 2 connected passed pawns will win the endings} 30. Nc3 (30. Rxg4
hxg4 31. Be6 {is Stockfish11's attempt at damage limitation}) 30... Rb8 (30...
Bf6 31. Rf1 a5 32. Nd1 Bd4 $19 {Stockfish11}) 31. b4 Bf6 (31... d5 {
Stockfish11 attacks B & gets B on the diagonal of the R & K} 32. Rxg4 hxg4 33.
exd5 Bf6 34. Nd1 Be5+ 35. Kg2 cxd5 36. Bxd5 Kh7 37. Be6 g3 $19) 32. Na2 (32.
Rxg4 hxg4 33. Ne2 a5 $19) 32... Be5 {a whole R is lost now} 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.16"]
[Round "5.12"]
[White "Greatorex, Roger"]
[Black "Dixon, Chris"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "1735"]
[BlackElo "1754"]
[Annotator "kemen"]
[PlyCount "70"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,18,19,31,19,23,28,-8,24,25,16,2,20,12,19,19,18,1,8,-8,11]} 1. d4 d5 2.
Nf3 Nf6 3. Bg5 e6 4. Nbd2 Be7 5. e3 O-O 6. Bd3 Nbd7 7. O-O h6 8. Bh4 b6 (8...
c5 {main}) 9. Ne5 (9. c3 {main}) 9... Bb7 (9... Nxe5 10. dxe5 Nd7 11. Bxe7 Qxe7
12. f4 Nc5 {1 Wh win, 1 draw, 3 Bl wins} (12... Bb7 {2 Wh wins, 3 Bl wins}))
10. f4 Ne4 11. Bxe7 Qxe7 12. Rf3 (12. c3 c5 {transposes to 137 games}) 12...
Nxe5 (12... c5 13. c3 Nxe5 (13... Ndf6 14. Rh3 Nxd2 (14... Rac8 15. g4 Nxd2 16.
Qxd2 Ne4 17. Qe2 Rfd8 18. g5 f6 19. Bxe4 dxe4 20. gxf6 Qxf6 21. Kh1 {
Enkhsaran-Prathivya, Wld ch girls U08, Porto Carras 2015,1-0}) 15. Qxd2 Ne4 16.
Qe2 Qe8 17. g4 f6 {Carrick-Sandercock, Beacon Seniors Exmouth 2008,0-1}) 14.
fxe5 {2-0}) 13. fxe5 f5 14. exf6 Rxf6 (14... Nxf6 15. c3 e5 16. Bg6 c5 $15 {
Stockfish11}) 15. Rxf6 Qxf6 (15... Nxf6 16. Nf3 Nd7 17. Qe1 (17. Qe2 e5 $11)
17... Qd6 18. Nh4 Rf8 19. Qe2 e5 $11 {Stockfish11}) 16. Nf3 $14 c5 17. c3 Rf8
18. Qe2 Bc6 19. Bxe4 dxe4 20. Ne5 Be8 21. Rf1 $16 Qg5 22. Rxf8+ Kxf8 23. Qf2+
Qf6 (23... Kg8 24. h4 Qf5 25. g4 Qf6 26. h5 cxd4 27. cxd4 Bb5 28. Kg2 $18 {
[%eval 0,0] Stockfish11- Qs must come off sooner or later, & then the N is far
superior to the}) 24. Kf1 (24. Qc2 $18 {Stockfish11} Qf5 25. g4 Qh7 26. dxc5
bxc5 27. Qd2 g5 28. Qd8 $18 Qe7 $2 29. Ng6+) (24. Qg3 $16) 24... Ke7 25. Qxf6+
{straightens out Bl's pawns} (25. Kg1 {Stockfish11} Qxf2+ 26. Kxf2 $16) 25...
gxf6 $11 26. Ng4 h5 27. Nf2 cxd4 28. exd4 f5 29. Ke2 Kd6 30. Ke3 b5 31. h4 a5
32. Kf4 Kd5 {Wh has no time to get his K & N to capture the h pawn, as Bl
would be faster coming in on the Q side} 33. b3 $2 {this though should lose as
it weakens the pawn chain} (33. Nd1 Kc4 34. Ke3 Kd5 35. Kf4 Kc4 $11) 33... b4
$19 34. cxb4 axb4 (34... Kxd4 $1 {Stockfish11; though it requires some exact
calculation - the B is suddenly better than the N as it can both hold up Wh's
distant pawns, while supporting the advance of its own} 35. bxa5 e3 36. Nh3 e5+
37. Kg3 (37. Kg5 e2 38. Ng1 Bb5 $1 {only move to win} 39. Nf3+ (39. Kxf5 e4 40.
Nxe2+ Bxe2 $19) (39. Nxe2+ Bxe2 40. Kxf5 e4 {the reserve e pawn decides}) 39...
Ke3 40. Ne1 Kf2 41. a4 (41. a6 Kxe1 42. a7 Bc6) 41... Ba6 42. Nc2 Bd3 43. Nb4
Be4 {and the e pawn wins through- Stockfish11})) 35. Ke3 e5 {draw agreed} (
35... e5 36. dxe5 Kxe5 37. Nh3 {and the N & K blockade the centre pawns}) (
35... f4+ $1 $19 {as the Bl K breaks through , aided by the longrange B.} 36.
Kxf4 Kxd4 37. Nd1 (37. Nxe4 e5+ {wins the N}) 37... Bb5 38. g4 e5+ 39. Kg3 e3
40. Nxe3 Kxe3 41. gxh5 Bd7 42. h6 Bf5 43. h7 Bxh7 44. Kg4 e4 $19 {Stockfish11})
1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.16"]
[Round "5.13"]
[White "Pinch, David"]
[Black "Probert, Malcolm"]
[Result "1/2-1/2"]
[ECO "D79"]
[WhiteElo "1667"]
[BlackElo "1565"]
[Annotator "kemen"]
[PlyCount "45"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nf3 Nc6 5. g3 (5. Nc3) (5. Bf4) 5... g6 (5...
Nf6 {main}) 6. Bg2 Bg7 7. O-O Nf6 8. Nc3 O-O 9. Bf4 {51% for Wh} (9. Ne5 {
main, 60% for Wh}) 9... Ne4 10. Ne5 Nxc3 11. bxc3 Nxe5 12. Bxe5 Bxe5 13. dxe5
e6 (13... Be6 {main; 2 Wh wins, 2 draws, 4 Bl wins}) 14. Qd4 (14. e4 dxe4 15.
Qxd8 Rxd8 16. Bxe4 Kf8 (16... Rb8 $11) 17. Rfd1 Ke7 18. c4 Rb8 $11 {
Frank-Schuler, Wuerttemberger ch Seniors, Ellwangen 1998,1-0}) 14... Qc7 15. e4
(15. Rac1 b5 (15... Bd7 $15) 16. e4 dxe4 17. Qxe4 Rb8 18. c4 Bb7 19. Qf4 Bxg2
20. Kxg2 b4 $11 {Saric-Juric, Split 1999,1-0}) (15. c4 Qxc4 16. Qxc4 dxc4 17.
Rfc1 Bd7 18. Rxc4 Bb5 19. Rc2 (19. Rc7 Bxe2 20. Re1 Ba6 21. Bxb7 Bxb7 22. Rxb7
Rfb8 23. Reb1 Rxb7 24. Rxb7 a5 $11) 19... Rac8 20. Rac1 Rxc2 21. Rxc2 b6 $11 {
Stockfish11}) 15... dxe4 16. Rfd1 b6 17. Bxe4 Bb7 18. Bxb7 Qxb7 19. Qe3 (19.
Qf4 Rac8 20. c4 Qa6 21. Rd4 Qa5 $15 {Stockfish11}) 19... Rfd8 (19... Rad8 $15 {
Stockfish11} 20. Qg5 Rd5) 20. Rd6 (20. Qg5 $11 {Stockfish11}) 20... Rxd6 21.
exd6 Qd5 22. Qe2 (22. a4) 22... Qxd6 23. Rd1 (23. Rd1 Qc7 $19 (23... Qe7 $19 {
Stockfish11- Bl has an extra pawn & Wh's Q side pawns are split; but it will
be a long haul})) 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.16"]
[Round "5.14"]
[White "Van Kemenade, Julie"]
[Black "Orton, Paul"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1689"]
[BlackElo "1580"]
[Annotator "kemen"]
[PlyCount "66"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

{[%evp 0,66,19,28,72,49,73,79,73,47,64,42,19,7,28,16,21,10,12,-37,-17,-13,-13,
-25,-7,-45,-20,-28,-2,-33,-5,-39,-4,-48,-38,-105,-80,-122,-122,-147,-103,-138,
-129,-131,-142,-174,-174,-203,-100,-114,-99,-99,-98,-100,-95,-103,-85,-197,
-202,-267,-231,-321,-323,-997,-1033,-29995,-29996,-29999,-30000]} 1. e4 c5 2.
Nc3 (2. Bc4 d6 3. f4 g6 4. Nf3 Bg7 5. c3 Nc6 6. Bb3 e6 7. Qe2 Nge7 8. O-O O-O
9. d3 {Van Kemenade-Orton, Dyfed Closed 2010,1-0}) 2... d6 3. Bc4 g6 4. f4 Bg7
5. Nf3 Nc6 6. O-O Nf6 (6... e6) 7. d3 O-O 8. a3 (8. Qe1) (8. f5) (8. h3) 8...
a6 9. Ne2 (9. Qe1 {main}) 9... b5 10. Ba2 Qb6 (10... Qc7 11. Ng3 e6 12. Nh4 Qd8
13. c3 Bb7 14. Nf3 Qb6 15. Be3 Ng4 16. Qd2 Nxe3 17. Qxe3 a5 18. f5 {Van
Kemenade-Beilschmidt, 4NCL 2003,0-1}) 11. Kh1 Bb7 (11... c4 12. c3 cxd3 13.
Qxd3 Ng4 14. Ned4 Nxd4 15. cxd4 e5 16. h3 Nf6 17. f5 {Mleko-Boder; POL ch
girls U16, Wisla 2000,0-1}) (11... e6 12. Qe1 d5 13. e5 Nd7 14. c3 d4 15. cxd4
cxd4 16. Qf2 Nc5 17. Rd1 Rd8 18. Qh4 {Kvisla-Fairbairn, Gibraltar Masters 2009,
1-0}) 12. Ng3 (12. f5 {Stockfish11}) 12... Rac8 13. f5 Rfd8 {weakens f7} (13...
c4) (13... Ne5) 14. Ng5 (14. Qe2) 14... Ne5 15. Bf4 (15. Qe1 $14) (15. Be3 $14)
15... Rf8 (15... c4 16. Qe2 (16. fxg6 hxg6 17. Qe1 $14 (17. Qe2 $14)) 16... h6
17. Nf3 Nxf3 18. Rxf3 Rf8 19. Raf1 $14 {Stockfish11}) 16. Bxe5 (16. Qe2 $14) (
16. fxg6 hxg6 17. Qe2 $14) 16... dxe5 17. Rf3 (17. Qe2 $11) 17... Bh6 (17... c4
$15) 18. Nh3 (18. h4) 18... c4 $17 19. Qe2 cxd3 20. cxd3 Rfd8 (20... Qc5 21.
Raf1 (21. Bb3 a5) 21... Qc2 22. Bb1 Qd2 23. Qxd2 Bxd2 24. Ne2 Rfd8 $17 {
Stockfish11}) (20... Rc7 $17) 21. Nf2 Rc7 22. h3 Rdc8 $19 23. Ng4 (23. Qe1 Rc1
24. Rxc1 Rxc1 25. Nd1 Ra1 26. Bb3 a5 27. fxg6 hxg6 28. Qc3 a4 29. Bc2 Qc6 30.
Qxc6 Bxc6 31. Rf2 Rc1 32. Nf1 Nd7 33. Kh2 Nc5 34. Nc3 Ne6 $19 {Stockfish11-
nothing definite as yet, but the Wh pieces have a severe lack of space}) 23...
Rc1+ (23... Nxg4 24. hxg4 Rc2 25. Qf1 Rc1 $19 {Stockfish11}) 24. Rxc1 (24. Rf1
Rxf1+ 25. Rxf1 Bf4 26. Nxf6+ Qxf6 27. Qg4 Kf8 28. Bb3 Rc1 29. Rxc1 Bxc1 30. Qe2
Bf4 31. Qf3 Qh4 32. Nf1 gxf5 $19 {Stockfish11}) 24... Rxc1+ 25. Rf1 Rxf1+ (
25... Nxg4 26. hxg4 Qe3 27. Qxe3 Bxe3 28. fxg6 hxg6 29. Bxf7+ Kg7 30. Be6 Bc6
$19 {Stockfish11-the Bl Bs will a pawn on the Q side}) 26. Nxf1 Nxg4 27. hxg4
Qd4 (27... Kg7 $17) 28. g3 (28. Qc2 Qd7 $17) 28... Bc1 $19 29. fxg6 (29. f6
exf6 30. Qc2 Bxb2 31. Qc7 Bxe4+ 32. dxe4 Qxe4+ 33. Kh2 Qe2+ 34. Kh3 Qxf1+ 35.
Kh2 Qf2+ 36. Kh3 Kg7 37. Qxf7+ Kh6 38. Bd5 Bxa3 $19 {Stockfish11}) 29... hxg6
30. Qf3 e6 31. Qf6 Qxd3 32. Bxe6 (32. Kg1 Qxe4 33. Kf2 Bxb2 $19) 32... Qxe4+
33. Kg1 Qg2# 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2020.02.16"]
[Round "5.15"]
[White "Ley, Cyril"]
[Black "Francis, Matthew"]
[Result "1/2-1/2"]
[ECO "A09"]
[WhiteElo "1603"]
[BlackElo "1642"]
[Annotator "kemen"]
[PlyCount "50"]
[EventDate "2020.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "WLS"]
[SourceVersionDate "2020.02.18"]

1. Nf3 d5 2. c4 dxc4 (2... c6) (2... e6) 3. Na3 (3. e3) 3... Nf6 (3... c5) 4.
Nxc4 e6 5. d3 (5. g3 {main} Be7 6. Bg2 O-O 7. O-O c5 8. b3 (8. d4)) 5... Be7 (
5... Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 O-O 8. e4 b6 9. Be2 Ba6 10. Nce5 c5 {
Bilek-Snorek, Prague op 2008,0-1}) (5... b5 6. Ncd2 Bb7 7. e3 a6 8. Be2 Be7 9.
Qc2 c5 {Akhmedzhanov-Mescheryakov, Astrakhan Ritminform Cup 2013,1-0}) 6. g3
O-O 7. Bg2 c6 (7... c5 8. O-O {transposes to 10 games}) 8. O-O Nbd7 9. Bf4 $146
(9. Bd2 $16 {Stockfish11; 1.5-0.5}) (9. a3 b5) (9. b3 {0-1}) 9... Nb6 10. Rc1
Nbd5 (10... Nxc4) 11. Bd2 h6 12. Qb3 (12. d4 $16 {Stockfish11}) 12... Nd7 (
12... c5) 13. d4 c5 14. Ba5 (14. Rfd1 $16 {Bl is behind in development, & has
the usual difficulties with his QB in Q pawn lines}) 14... b6 15. Bd2 cxd4 (
15... Bb7 $11) 16. Nxd4 Nc5 (16... Bb7 $11) 17. Qd1 (17. Qc2) 17... Bd7 (17...
Bf6 18. Nb3 Ba6 19. Nxc5 bxc5 20. Ba5 Qc8 21. b3 Rb8 22. Bxd5 exd5 23. Qxd5 Re8
24. e3 Bb7 25. Qd1 Qc6 26. f3 Bg5 27. Kf2 Qe6 {Bl has counter-play for the pawn
}) (17... Bb7 18. b4 Nf6 19. Bxb7 Nxb7 20. Nc6 Qe8 21. b5 $14 {Stockfish11})
18. e4 $16 Nf6 19. Ne5 (19. Qe2) 19... Rc8 (19... Ba4 20. Ndc6 Bxd1 21. Nxd8
Rfxd8 22. Rfxd1 Rac8 $11 {Stockfish11}) 20. Qe2 (20. Bf4 $16 Ncxe4 (20... Be8
21. Re1 $16) 21. Ndc6 Bxc6 22. Qxd8 Bxd8 23. Nxc6 $16 {Stockfish11}) 20... Be8
21. Bc3 {Wh has been shifting this B around several times} (21. Qe3 $14 {
Stockfish11}) (21. Be3 Bd6 22. f4 Ncxe4 23. Rxc8 Qxc8 24. Rc1 Qd8 25. Ndc6 Bxc6
26. Nxc6 Qd7 27. b4 Be7 28. a3 Re8 29. Bf3 Nd6 30. Qa6 $11 {Stockfish11}) 21...
Qd6 (21... Na4 $15) 22. Nc4 (22. Nec6 Qc7 23. Nxe7+ Qxe7 24. b4 Na4 25. Nf5
exf5 26. Bxf6 Qd7 27. Rxc8 Qxc8 28. Be7 $18 {Stockfish11}) (22. Nxf7 Bxf7 23.
e5 Qd7 24. exf6 Bxf6 (24... gxf6 25. Rfd1 $18) 25. Rfd1 e5 26. Nb5 Qe7 27. Nd6
$18 {Stockfish11}) 22... Qb8 23. Rfd1 (23. e5 Nh7 (23... Nfe4 24. Be1 $16) 24.
b4 Na4 25. Bd2 $16 {Stockfish11}) 23... Bd7 24. b3 Rfd8 25. f3 (25. Ba1 $14)
25... Be8 {(draw?)} (25... Be8 26. Ne3 $14) (25... b5 26. Ne3 b4 27. Bb2 a5 $11
) 1/2-1/2

