[Event "Dyfed Major 2019"]
[Site "?"]
[Date "2019.02.22"]
[Round "1"]
[White "Narayan-Taylor, Robert"]
[Black "Scott, Paul"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1368"]
[BlackElo "1581"]
[Annotator "user,mesh"]
[PlyCount "79"]
[EventDate "2019.??.??"]

{[%evp 0,16,19,-13,11,-42,-20,-56,-53,-55,-30,-149,-149,-137,-137,-137,-133,
-155,-116] 276 games in the database, including Carlsen-Radjabov, Wld Ch blitz,
Astana 2012,1-0} 1. a4 g6 2. c3 Bg7 3. b4 d6 (3... a5 4. Ba3 d6 5. e4 e5 6. Nf3
Nf6 7. d3 Bd7 8. Nbd2 b5 9. axb5 axb4 10. Bxb4 Rxa1 11. Qxa1 Bxb5 12. c4 Bd7
13. Nb3 {Narayan-Taylor vs Scott, Dyfed Major 2017,1/2-1/2}) 4. g3 a5 5. Ba3 (
5. b5) 5... axb4 6. Bxb4 c5 7. Ba3 Bd7 8. Bb2 Bc6 $17 9. Nf3 Qd7 10. d3 Nh6 (
10... Rxa4) 11. Bg2 O-O 12. O-O Bxa4 13. Qd2 Na6 14. c4 Bxb2 15. Qxb2 Bc6 16.
Nc3 {its a kind of Benko Gamit reversed} Nb4 17. d4 b6 (17... Qc7) 18. d5 $11
Bb7 19. Ng5 (19. Rfb1) 19... Ba6 20. Bh3 Qd8 21. Qd2 (21. Na2 Nxa2 22. Qxa2 e5
$15 {Komodo12}) 21... Bxc4 $17 22. Ne6 fxe6 23. Qxh6 Kh8 (23... exd5 $19) 24.
Bxe6 $16 Nc2 25. Rxa8 Qxa8 26. Qh4 (26. Ne4 {Bl's K side is very weak& must
shed material to stay alive} Rg8 27. Bxg8 Qxg8 28. Qc1 Bxe2 29. Qxc2 Bxf1 30.
Qb2+ Qg7 31. Qxg7+ Kxg7 32. Kxf1 h6 33. Ke2 $16) 26... Nd4 27. Qxe7 Nxe6 (27...
Qd8 28. Qxd8 Rxd8 29. Ra1 Nxe2+ 30. Nxe2 Bxe2 31. f4 b5 $17 {Komodo12}) 28.
Qxe6 $11 (28. dxe6 $11) 28... Qd8 29. Qe4 (29. Ra1 {the R needs activity})
29... b5 $17 30. f4 Re8 31. Qf3 Qe7 $19 (31... b4 $19) 32. Re1 Qe3+ 33. Qxe3
Rxe3 34. Nd1 Rxe2 35. Rxe2 Bxe2 36. Nc3 Bc4 37. Ne4 Bxd5 38. Nxd6 b4 39. Kf1 b3
40. Nb5 0-1

[Event "Dyfed Major 2019"]
[Site "?"]
[Date "2019.02.22"]
[Round "1"]
[White "Brewer, Ben"]
[Black "Osinga, Awne"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1555"]
[BlackElo "1350"]
[Annotator "kemen"]
[PlyCount "89"]
[EventDate "2019.??.??"]

{[%evp 0,89,20,17,18,27,26,4,14,20,20,26,22,-6,7,-11,-10,-8,-2,-3,0,8,0,19,12,
10,18,-29,26,19,-17,-78,-30,-25,73,72,73,70,92,79,118,50,70,74,89,89,98,98,111,
91,102,36,116,110,113,115,105,76,56,41,57,40,161,-24,-22,-38,10,7,8,-29,-75,
-60,-76,-82,-84,-75,-26,-83,145,171,171,171,984,1271,1888,1897,1785,1880,1824,
2012,29981,29982]} 1. Nf3 d5 2. d4 Nf6 3. g3 e6 4. Bg2 Bd6 5. O-O O-O 6. b3 (6.
c4 c6 {main}) 6... b6 7. Na3 $146 {the N is a little displaced here- on d2 or
c3 it supports Wh's main aim of playing for e4} (7. Bb2 Bb7 8. Nbd2 Nbd7 9. c4
{main}) 7... c6 8. c4 Bb7 9. Nc2 (9. Nd2 Qe7 10. Nc2 Nbd7 11. Bb2 Rad8 12. Re1
c5 $11 {Stockfish10}) 9... Nbd7 10. Bb2 Re8 11. Ne5 Rb8 12. Qd3 c5 13. e3 (13.
Nxd7 Nxd7 14. cxd5 exd5 15. Ne3 Nf6 16. dxc5 Bxc5 (16... bxc5 17. Bxf6 Qxf6 18.
Nxd5 $16) 17. Nf5 $16 {Stockfish10}) 13... Qc7 (13... dxc4 14. Nxc4 Bxg2 15.
Kxg2 Bf8 $11 {Stockfish10}) 14. Nxd7 Nxd7 15. Rac1 (15. cxd5 exd5 16. Na3 c4
17. bxc4 Bxa3 18. Qxa3 dxc4 19. d5 b5 20. Bc3 $14 {Stockfish10}) 15... dxc4 16.
bxc4 e5 (16... Bxg2 17. Kxg2 e5 $11 {Stockfish10}) 17. d5 $14 Nf6 18. e4 Qd7
19. f4 (19. Ne3 $18 {Stockfish10- the N prepares to soften up the K side} g6 (
19... Qd8 20. Nf5 Bc8 21. Nxd6 Qxd6 22. f4 Nd7 23. Bh3 $18) 20. f4 $18) 19...
Ba6 20. Na3 (20. Ne3 {is where the N belongs}) 20... b5 (20... h5 21. Rfe1 h4
22. Qf3 b5 $14 {Bl is fighting back before Wh can get a decisive K side attack
going}) 21. cxb5 Bxb5 22. Nxb5 Rxb5 23. Bc3 (23. Bxe5 {looks promising- to run
the centre pawns, but it seems Bl can just hold on} Bxe5 24. fxe5 Rxe5 25. a4
Rb8 26. Rxc5 Qxa4 27. Qc3 (27. Rfc1 h6 28. R5c4 Qa6 29. Qd4 Qb6 30. Rc8+ Kh7
31. Qxb6 Rxb6 32. R1c4 Rb1+ $11) 27... Ree8 28. Ra1 (28. e5 Rb3 $11) 28... Qb4
29. Qxb4 Rxb4 30. d6 Rd4 31. e5 Nd7 32. Bc6 Rxe5 33. Rcc1 Nf8 34. Rd1 Ne6 35.
Rxd4 Nxd4 36. Rxa7 g6 37. Ba4 $14 {Stockfish10}) 23... Re7 24. f5 Qb7 25. Rb1 (
25. Qc4 $16 {Stockfish10}) 25... Rxb1 (25... c4 26. Qc2 Ng4 $11 {Stockfish10-
the Bl pieces suddenly get some activity}) 26. Rxb1 Qc7 27. Qa6 $16 (27. Qb5
$16) 27... c4 28. Rb5 (28. h3 {keeps the N out, & prpares a haven for the K in
case of any backrank chs}) 28... Bc5+ 29. Kh1 h6 (29... Bb6 $14) 30. Qa4 (30.
a4) 30... Bd4 31. Bb4 (31. d6 Qxd6 32. Bb4 Qc7 33. Bxe7 c3 (33... Qxe7 34. Qxc4
$18) 34. Ba3 c2 35. Bc1 Qc3 36. Rb8+ Kh7 37. Qb4 Qd3 38. Qd2 Nxe4 39. Qxd3 Nf2+
40. Kg1 Nxd3+ 41. Kf1 Nxc1 42. Rc8 Nxa2 43. Rxc2 Nc3 44. Bc6 $14 {Stockfish10})
31... Re8 $19 (31... c3 $19) 32. Qc2 Rc8 (32... Qd7 33. Ra5 Rb8 34. a3 (34.
Qxc4 Ng4 $19) 34... Bb6 35. Ra6 Rc8 $19 {Wh's B on g2 is not fully operational;
}) 33. Bc3 Rb8 (33... Qd6 $19) (33... Bxc3 34. Qxc3 Ne8 $19 {the N will get to
d6 , where it radiates strength}) 34. Rxb8+ Qxb8 35. Bxd4 (35. Be1) 35... exd4
36. Qxc4 Qb1+ 37. Qf1 (37. Bf1 Qxe4+) 37... Qxa2 (37... Qxf1+ 38. Bxf1 Nxe4 $19
{the B is still obstructed by its own pawns}) 38. d6 Qa4 $2 {stops one pawn,
but encourages another} (38... Nd7 39. Qb5 Qa3 40. Bf1 Qxd6 $19 {Stockfish10})
39. e5 $18 Nd7 (39... Qd7 40. exf6 Qxd6 41. fxg7 d3 42. Bf3 d2 43. Bd1 Kxg7 44.
Kg2 $18 {eventually}) 40. e6 fxe6 41. fxe6 Nc5 (41... Nf6 42. d7 Qa5 43. e7)
42. Qf7+ (42. e7 Qe8 43. Bd5+) 42... Kh7 43. Qf5+ (43. e7) 43... Kh8 44. e7
Qd1+ 45. Bf1 1-0

[Event "Dyfed Major 2019"]
[Site "?"]
[Date "2019.02.22"]
[Round "1"]
[White "Jones, Hefin"]
[Black "Hammett, Scott"]
[Result "0-1"]
[ECO "C25"]
[WhiteElo "1348"]
[BlackElo "1540"]
[Annotator "kemen"]
[PlyCount "74"]
[EventDate "2019.??.??"]

{[%evp 0,74,18,28,12,13,33,-47,-10,-108,-5,-128,-106,-106,-125,-140,-121,-121,
-109,-140,-133,-119,-101,-102,-86,-62,-84,-70,-48,-34,-35,-62,-49,-49,-59,-253,
-273,-273,-283,-380,-399,-399,-400,-508,-517,-762,-693,-724,-709,-725,-682,
-720,-670,-717,-726,-737,-756,-820,-760,-983,-1084,-1084,-1294,-2169,-837,-897,
-1036,-1300,-1095,-1291,-1545,-1612,-1039,-1402,-1888,-2139,-2467]} 1. e4 e5 2.
Nc3 Bc5 3. Nd5 {unusual, not normally good to move one piece twice before
others have come into the game} (3. Bc4) (3. Nf3) 3... Nf6 (3... c6 {
Stockfish10} 4. Nc3 Nf6 5. Nf3 Ng4 6. d4 exd4 7. Nxd4 d6 {Wedel-Fermen,
DEN-FRA email 2015,1/2-1/2} (7... Nxf2 8. Kxf2 Qf6+ 9. Ke3 d5 10. Na4 Qg5+ 11.
Kf2 Qf6+ 12. Ke3 Qg5+ $11)) (3... Qh4 {3-0, despite} 4. Nf3 Ne7 (4... Qxf2#) 5.
Nxh4 O-O 6. Nxc7 Nbc6 7. Nxa8 Re8 {Cavalcante da Costa-Figueiredo, Ladario op
2015,and Bl resigned}) 4. Bc4 (4. Nxf6+ Qxf6 {0-2}) 4... c6 5. Nc3 (5. Nxf6+
Qxf6 6. Qf3 Qxf3 7. gxf3 O-O 8. d3 Rd8 9. Be3 Bxe3 10. fxe3 d5 11. O-O-O dxc4 {
Obreja-Mastacan, ROM ch U10 girls, Eforie Nord, 2001, 0-1}) 5... d5 $17 6. exd5
cxd5 7. Bb5+ Nc6 8. Nf3 Bg4 (8... O-O) (8... e4) 9. Be2 O-O (9... d4 10. Na4
Bd6 $19 {Stockfish10}) 10. d3 d4 (10... e4) 11. Ne4 Nxe4 12. dxe4 Qa5+ 13. Bd2
Bb4 (13... Qb6) 14. a3 Bxd2+ 15. Nxd2 Bxe2 16. Qxe2 Rac8 17. b4 $2 (17. O-O Nd8
18. Nf3 f6 $17 {Stockfish10}) 17... Nxb4 18. O-O Nxc2 19. Nb3 Qc3 20. Rab1 Nxa3
21. Rfc1 Qxb3 22. Ra1 (22. Rxb3 Rxc1+ 23. Qf1 Rxf1+ 24. Kxf1 Nc4 $19) 22... Rc3
(22... Rxc1+ 23. Rxc1 d3 $19 {Stockfish10}) 23. Qg4 Qb2 24. Rd1 Rfc8 25. h4 Rc1
(25... h6) 26. Raxc1 Rxc1 27. Kh2 g6 28. Rd3 Rc3 (28... Qxf2 29. Rxa3 h5 30.
Qh3 Qg1+ 31. Kg3 Qe1+ 32. Kh2 g5 33. hxg5 h4 {mating- Stockfish10}) 29. Rd1
Qxf2 30. h5 Nc2 31. h6 Qf4+ (31... Ne3 {mate in 9, Stockfish10}) 32. Qxf4 exf4
33. Rd2 b5 34. Kg1 b4 35. Kf2 a5 36. Rd1 a4 37. Rb1 a3 0-1

[Event "Dyfed Major 2019"]
[Site "?"]
[Date "2019.02.22"]
[Round "1"]
[White "Jones, Jonathan"]
[Black "Greenwood, Ray"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "1455"]
[BlackElo "1304"]
[Annotator "kemen"]
[PlyCount "53"]
[EventDate "2019.??.??"]

{[%evp 0,53,25,21,29,36,13,15,6,-12,60,46,30,30,39,39,47,38,46,55,56,56,56,68,
106,76,90,113,121,80,125,124,126,126,102,128,254,292,303,561,621,612,620,653,
645,647,666,650,804,847,29993,29994,29997,29998,29999,-30000]} 1. Nf3 Nc6 2. d4
d5 3. c4 e6 (3... Bg4 {Chigorin Defence}) 4. cxd5 (4. Nc3) 4... Qxd5 (4... exd5
) 5. Nc3 Bb4 6. a3 (6. Bd2 {main}) 6... Bxc3+ 7. bxc3 Nf6 8. e3 O-O 9. c4 Qd8
10. Bd3 (10. Bb2 b6 11. Bd3 Bb7 12. Qc2 Ne7 13. O-O-O Ng6 14. h4 {
Gunsberg-Chigorin, DSB Meister Kongress 1902,1-0}) 10... Ne7 (10... Re8) 11.
O-O Ng6 (11... b6 12. Bb2 Ng6 13. Qc2 Bb7 14. Rad1 Bxf3 15. gxf3 Nh4 16. Be2
Nh5 17. f4 {Barnekow-Berg, Brandenburg Seniors, Berlin 2006,1-0}) 12. Bb2 (12.
e4 e5 $14 {Komodo12}) 12... Re8 13. Qc2 b6 14. Rad1 $16 {Wh has more space &
pawn move options} Qd6 (14... Bb7 {logical after Bl's last move}) 15. c5 $18
bxc5 16. dxc5 Qe7 17. Ne5 Nh5 18. Be4 Ba6 19. Rd7 Qh4 20. Nf3 Qg4 21. h3 {
traps the Q} Qxe4 22. Qxe4 Bxf1 23. Kxf1 f5 24. Qd4 Nf6 (24... e5 25. Qd5+ Kh8
26. Ng5 $18) 25. Rxg7+ Kxg7 26. Qxf6+ Kh6 27. Qg5# 1-0

[Event "Dyfed Major 2019"]
[Site "?"]
[Date "2019.02.22"]
[Round "1"]
[White "Baron, Margaret"]
[Black "Nukalapati, Sarthak"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "850"]
[BlackElo "888"]
[Annotator "kemen"]
[PlyCount "40"]
[EventDate "2019.??.??"]

{[%evp 0,40,26,23,23,13,13,6,16,14,16,-23,5,-8,18,-27,-27,-24,-10,-282,-284,
-311,-293,-340,-237,-302,-409,-459,-437,-1648,-1708,-1820,-1859,-1859,-1863,
-29995,-1923,-2544,-2908,-29995,-29996,-29999,-30000]} 1. d4 d5 2. Nf3 Nf6 3.
e3 e6 4. c4 c5 5. dxc5 Bxc5 6. a3 Nc6 7. Nbd2 (7. b4 {main}) 7... a5 8. Bd3 e5
(8... O-O {main}) 9. b3 {not seeing the threat in Bl's last move} (9. cxd5 Nxd5
(9... Qxd5 10. Qc2 $11) 10. Nc4 O-O 11. O-O (11. Ncxe5 Nxe5 12. Nxe5 Qe7 13.
Nf3 Nf4 14. O-O Nxd3 15. Qxd3 b6 {and Bl has good attacing chances for the pawn
}) 11... Bg4 $11 {Komodo12}) 9... e4 $19 10. Bc2 exf3 11. Qxf3 Ne5 12. Qe2 d4
13. Qf1 {seeing the threat} (13. exd4 Bxd4 14. Ra2 O-O $19) 13... dxe3 14. Nb1
exf2+ 15. Qxf2 (15. Ke2 Bg4#) 15... Bxf2+ 16. Kxf2 Qd4+ 17. Be3 Qxa1 (17...
Neg4+ 18. Kf1 Qxe3 19. Nc3 Qf2#) 18. Bf4 Qd4+ 19. Be3 Neg4+ 20. Kf3 Qxe3# 0-1

[Event "Dyfed Major 2019"]
[Site "?"]
[Date "2019.02.22"]
[Round "1"]
[White "Bevan, Paul"]
[Black "Thacker, Steve"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "1300"]
[BlackElo "1430"]
[Annotator "kemen"]
[PlyCount "53"]
[EventDate "2019.??.??"]

{[%evp 0,53,19,25,62,17,15,-24,-12,-75,-78,-138,-84,-125,-98,-172,19,-81,-79,
-199,-135,-177,-39,-92,-35,-50,22,-33,-11,-68,-26,-40,-20,-11,63,63,60,-12,-40,
-80,129,-91,103,69,150,145,307,329,666,665,648,651,1121,1179,1200,1243]} 1. d4
c5 2. dxc5 e6 3. b4 {Wh should not be able to hang on to the c5 pawn} (3. Nc3)
(3. Nf3) 3... a5 4. Ba3 (4. c3 {most frequent} axb4 5. cxb4 Qf6 {losing a piece
} 6. Nc3 (6. Qc2 Qxa1 7. Nc3 {fails to trap the Q} Nc6 8. a3 (8. e3 Nxb4) 8...
Rxa3) 6... Qxc3+ 7. Bd2 Qa3 $19 {Suciu-Adoamnei, Ploiesti Conpet op 2010,0-1})
4... axb4 5. Bxb4 Na6 (5... Nc6 6. Bc3 (6. c3 Nf6 (6... b6 $17 {Stockfish10})
7. Nd2 Nd5 8. a3 Qf6 9. Ne4 Qe5 10. Qb1 f5 11. Nf3 Qc7 12. Ned2 Be7 $11 {
BeltranLangarita-Fernandez Miranda Lopez, Autonomica Seniors 2007,0-1}) 6...
Nf6 7. e3 Bxc5 $17 {Denecke-Von Rosenberg, DESC email 2004,1/2-1/2}) 6. Qd4
$146 (6. Bc3 Nxc5 7. e3 Nf6 8. Bb5 Be7 9. Nf3 O-O {Lohmueller-Wuerfel, Baden
Ch Seniors, Karlsruhe 2003,0-1}) (6. c3 b6 (6... Qf6 {Stockfish10}) 7. Na3 bxc5
8. Qa4 cxb4 9. cxb4 Bxb4+ $19 {Vazquez-Lenz, LSS No Engine Cup 2014,0-1}) 6...
Qc7 $19 (6... b6 $19) (6... Be7 $19) (6... Ne7 $19 {all Stockfish10}) 7. e4
Nxc5 (7... Nxb4 8. Qxb4 Bxc5 9. Qb2 Nf6 $19 {Bl is up on development & Wh has
lost control over the bl squares}) (7... e5 8. Qc4 Nxb4 9. Qxb4 Bxc5 10. Qb2
Nf6 $19 {both Stockfish10}) 8. Bxc5 Qxc5 (8... Bxc5 9. Qxg7 Qf4 $1 {
Stockfish10- a difficult move to see} 10. Kd1 (10. Bd3 Qxf2+ 11. Kd1 Qf6 $19) (
10. Nf3 Qc1+ 11. Ke2 b6 12. c4 Ba6 13. Nfd2 Bxc4+ 14. Nxc4 Qxc4+ 15. Kd2 Bd4
$19) (10. Qxh8 Qxf2+ 11. Kd1 Qxf1+ 12. Kd2 Qxg2+ 13. Ne2 Ra4 $1 (13... Qxh1 14.
Qxg8+ Bf8 $19) 14. Re1 Bd4 15. Qxh7 Nf6 16. Qh8+ Ke7 17. Kd1 (17. c3 Nxe4+ $19
{wins the Q}) 17... Bxa1 $19 {Stockfish10})) 9. Qb2 (9. Qxc5 Bxc5 $17) 9... Nf6
$19 (9... Qa5+ 10. c3 Nf6 $19 {Stockfish10}) 10. Bd3 d6 (10... Qg5 11. g3 Bc5
12. Nf3 Qh5 13. Nbd2 O-O $19 {Stockfish10}) (10... Ng4 11. c3 Ne5 12. Bb5 b6
13. a4 Bb7 $19 {Stockfish10}) 11. Nf3 Bd7 (11... Be7 $17) 12. Nbd2 b5 13. Nb3 (
13. O-O) 13... Qb6 14. Nbd4 b4 (14... d5 $17) 15. a3 (15. O-O) 15... d5 16. e5
Nh5 (16... Ne4 $11) 17. O-O $14 {Wh has got developed while Bl hasn't quite yet
} Be7 18. Qc1 (18. axb4 $18 {Stockfish10}) 18... bxa3 19. g4 Bc5 (19... g5 20.
gxh5 g4 21. Rb1 Qc5 22. Nb3 Qc7 23. Nfd4 Qxe5 24. Re1 Qxh5 $11 {Bl has
compensation for the piece}) 20. Nb3 (20. c3 $18) 20... Ra4 (20... Qb4 $1 $19 {
Stockfish10}) 21. gxh5 Rg4+ 22. Kh1 Bxf2 23. Qxa3 $18 Kd8 24. Qd6 (24. Qa8+ Bc8
25. Ra6 $18 {Stockfish10}) 24... Qxd6 25. exd6 Bb6 26. Ra8+ Bc8 27. Ne5 1-0

[Event "Dyfed Major 2019"]
[Site "?"]
[Date "2019.02.23"]
[Round "2"]
[White "Scott, Paul"]
[Black "Jones, Jonathan"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1581"]
[BlackElo "1455"]
[Annotator "user,mesh"]
[PlyCount "57"]
[EventDate "2019.??.??"]

{[%evp 0,126,28,20,43,43,43,26,63,37,37,37,37,36,36,23,23,34,24,5,43,38,57,57,
74,67,58,35,110,66,126,56,59,-22,-7,-21,-36,-36,-36,-29,-29,-72,-20,-61,-53,
-63,-63,-67,-43,-43,-30,-146,-137,-179,-179,-179,-175,-146,-152,-252,-239,-182,
-156,-153,-148,-178,-177,-169,-169,-186,-201,-208,-204,-204,-204,-204,-198,
-221,-222,-244,-250,-249,-254,-291,-290,-336,-326,-334,-334,-349,-262,-337,
-343,-382,-402,-578,-621,-626,-904,-915,-876,-1271,-967,-1011,-1011,-1212,
-1241,-1271,-962,-1012,-1192,-1230,-989,-982,-1002,-1191,-528,-1234,-1427,
-1456,-1342,-1262,-1410,-962,-962,-1894,-2217,-29293,-29984]} 1. e4 b6 2. d4
Bb7 3. Bd3 e6 4. Be3 (4. Nf3 {main}) 4... Nf6 5. Nd2 Nc6 (5... c5 {main,
challenges the centre}) 6. c3 Be7 7. f4 (7. Ngf3 {2-0}) 7... d6 (7... O-O 8. h3
d6 9. Qc2 h6 {Shaw-Lobo, Gibraltar ch U12, 2006, 0-1}) (7... h5 8. Ngf3 Ng4 9.
Bg1 a5 10. Qe2 a4 {Udovichenko-Markosian, Doroshkevich mem 2010,1-0}) 8. h3 Qd7
9. Qe2 ({Stockfish10} 9. g4) 9... O-O 10. Ngf3 (10. g4 $18 {Stockfish10}) 10...
Ne8 11. O-O (11. O-O-O $18 {Stockfish10}) 11... a5 12. a4 (12. d5 $18) (12. e5
$18) 12... Qc8 13. Qf2 Nd8 14. Qg3 c5 {insufficient now as a challenge to the
Wh centre control} (14... f5 $16 {holds up wh's attack for a bit}) 15. e5 Nc7
16. Ne4 $18 (16. Nc4 Nd5 17. exd6 Bf6 18. Nfe5 g6 19. f5 $18 {Stockfish10}) (
16. exd6 Bxd6 17. Nc4 Ne8 18. Nxb6 Qc7 19. Nxa8 $18 {Stockfish10}) (16. f5 $18
{Stockfish10}) 16... Bxe4 17. Bxe4 d5 18. Bd3 f5 19. exf6 Bxf6 20. Ne5 (20. Ng5
$18) (20. dxc5 $18) 20... Bxe5 21. fxe5 {most of Bl's army is away on parade
on the Q side, while the K side collapses} Rf7 22. Rxf7 (22. Qh4) 22... Nxf7
23. Qh4 g6 24. Rf1 Qd8 25. Qg4 Qe7 26. Rf6 (26. Bxg6 $18 {Stockfish10} hxg6 27.
Qxg6+ Kf8 28. Bg5 Qd7 29. Qh7 cxd4 30. Qh8#) 26... Rf8 (26... Nh8 $5) 27. Bxg6
hxg6 28. Qxg6+ Kh8 29. Qh5+ 1-0

[Event "Dyfed Major 2019"]
[Site "?"]
[Date "2019.02.23"]
[Round "2"]
[White "Nukalapati, Sarthak"]
[Black "Brewer, Ben"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "888"]
[BlackElo "1555"]
[Annotator "user,mesh"]
[PlyCount "92"]
[EventDate "2019.??.??"]

{[%evp 0,92,80,4,93,91,148,91,145,52,64,64,99,61,75,35,48,24,53,21,21,21,-22,
-65,-52,-52,-11,-34,-29,-29,-44,-46,-72,-94,-88,-119,-126,-121,-121,-146,-143,
-159,-151,-174,-174,-184,-189,-194,-223,-235,-190,-228,-238,-240,-233,-239,
-251,-245,-239,-322,-255,-240,-264,-299,-189,-180,-195,-186,-178,-215,-257,
-284,-255,-282,-220,-322,-367,-437,-510,-445,-544,-528,-630,-753,-718,-722,
-568,-640,-664,-812,-934,-1387,-743,-29993,-29994]} 1. e4 g6 2. Nf3 Bg7 3. d4
d6 4. d5 {a little early} (4. Nc3 {main, is more flexible}) 4... Nf6 5. Nc3 O-O
6. Bd3 c6 7. Bg5 (7. O-O {also less commital}) 7... cxd5 8. exd5 Qa5 (8... Nbd7
9. O-O a6 10. Be2 b5 11. Qd4 Bb7 12. Ne4 Nxd5 {Drus-Kadonas, W Ch email 2011,
0-1}) (8... Na6 {Cloud Engines}) 9. O-O Nxd5 10. Nxd5 Qxd5 11. c3 (11. c4 Qc6
12. Qe2 Re8 $15 {Komodo12}) 11... Nc6 12. Re1 e6 13. Bc2 (13. Qe2 h6 14. Be4
Qa5 15. Bxc6 bxc6 16. Be7 Re8 17. Bxd6 $11 {Komodo12}) 13... Qxd1 14. Raxd1 d5
15. Bb3 b5 16. Re2 Bb7 17. Nd4 Nxd4 18. cxd4 Rfc8 19. Be3 $17 {(draw?)} a5 20.
a4 b4 $19 21. Ba2 Ba6 22. Red2 Rc6 23. b3 Rac8 24. g3 h5 25. h3 Rc2 26. Bb1
Rxd2 27. Bxd2 Bxd4 28. Kg2 Bf6 29. Be3 Kg7 30. Bb6 Bd8 31. Bd4+ f6 32. f4 Rc6
33. Re1 Bb6 34. Bb2 {(draw?) Wh is being hopeful} d4 35. Be4 Rd6 36. Rd1 e5 (
36... Be2 37. Rb1 d3) 37. Kf3 f5 38. Bb1 e4+ 39. Kg2 Kf7 40. Bc1 Be2 41. Re1
Bf3+ 42. Kf1 Rc6 43. Bd2 e3 44. Bc1 Rc3 45. Ba2 Rc2 46. Bb1 Rh2 0-1

[Event "Dyfed Major 2019"]
[Site "?"]
[Date "2019.02.23"]
[Round "2"]
[White "Hammett, Scott"]
[Black "Bevan, Paul"]
[Result "1-0"]
[ECO "C37"]
[WhiteElo "1540"]
[BlackElo "1300"]
[Annotator "kemen"]
[PlyCount "29"]
[EventDate "2019.??.??"]

{[%evp 0,87,25,23,19,-1,-18,-8,-18,-14,13,-104,-104,-87,-33,-37,-38,-36,-3,59,
-61,-61,-24,-42,-29,-37,-49,-104,-33,-91,-96,-124,-119,-119,-125,-139,-85,-83,
-73,-118,-43,-27,-30,-79,80,66,80,71,71,68,66,57,57,73,80,80,92,95,229,229,271,
302,318,78,78,37,78,80,270,-131,151,84,285,285,293,279,282,231,231,235,235,235,
235,236,236,236,276,282,732,732]} 1. f4 e5 {From Gambit?} 2. e4 {King's Gambit}
exf4 3. Nf3 g5 4. Bc4 g4 (4... Bg7 {is safer}) 5. O-O {the Muzio Gambit, a
19th century Favourite} gxf3 6. Qxf3 (6. Bxf7+ {is possible}) 6... Bd6 (6...
Qf6 {main}) (6... Bh6 7. d4 Qh4 8. Nc3 Nc6 9. Nd5 {Nakamura-Andreikin, Wld ch
blitz, Moscow 2010,1-0}) 7. d4 Nc6 (7... Ne7 8. Bxf7+ (8. Bxf4) 8... Kxf7 9.
Bxf4 Bxf4 10. Qxf4+ Kg8 11. Qf7# {Sakellaris-Keelan, TGT email ICCF 1998,1-0})
8. c3 (8. e5 {should win at once} Nxd4 9. Qxf4 Qe7 (9... Ne6 10. Qxf7# {
drasko-miguelmartins, chesscube.com,2015,1-0}) 10. exd6 {Stock-Radding, TGT
email ICCF 1998,1-0}) (8. Bxf4 Nxd4 9. Qh5 (9. Bxf7+) 9... Qe7 10. Bxd6 cxd6
11. Rxf7 {Blount-Dykes, Dayton OH 1981,1-0}) 8... Na5 {virtually forcing Wh to
make a winning 'sacrifice'} (8... Qf6 {survives} 9. e5 (9. Qe2 {may be better})
9... Bxe5 10. dxe5 Nxe5 11. Qe4 Ne7 12. Bxf4 Nxc4 13. Qxc4 Qb6+ 14. Kh1 d6 15.
Nd2 Be6 16. Qe2 O-O-O $15) 9. Bxf7+ Kxf7 10. e5 Ke8 (10... Nf6 11. Bxf4 Qg8 12.
Bg3 Qg6 13. Nd2 Nc6 14. Ne4 $18 {Stockfish10}) 11. Qh5+ Ke7 (11... Kf8 {
lasts a little bit longer as Bl can give up the Q to delay mate}) 12. Rxf4 (12.
exd6+ $1 cxd6 (12... Kxd6 13. Qe5+ Kc6 14. Qc5#) 13. Bxf4 d5 14. Qe5+ Kf7 15.
Bg5+ Nf6 16. Rxf6+ Qxf6 17. Qxf6+ Kg8 18. Bh6 d6 19. Qf8#) 12... Qe8 (12... Qf8
{lasts a bit longer}) 13. exd6+ (13. Qg5+ Ke6 14. exd6 Nc4 15. Nd2 Qg6 16. d5+
Kxd6 17. Nxc4+ Kc5 18. b4+ Kb5 19. a4+ Ka6 20. b5# {quickest-Stockfish10})
13... Kxd6 (13... Kd8 14. dxc7+ Kxc7 15. Qxe8 $18) 14. Qc5+ Ke6 15. Qe5# 1-0

[Event "Dyfed Major 2019"]
[Site "?"]
[Date "2019.02.23"]
[Round "2"]
[White "Thacker, Steve"]
[Black "Jones, Hefin"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1430"]
[BlackElo "1348"]
[Annotator "kemen"]
[PlyCount "33"]
[EventDate "2019.??.??"]

{[%evp 0,33,28,30,56,19,25,36,33,8,97,123,118,75,117,99,195,89,121,141,136,68,
68,-132,-103,-103,-127,-96,-108,-238,-143,-272,-254,-257,29997,29998]} 1. Nc3
e5 2. e4 Nc6 3. Nf3 Bc5 4. Bc4 Qe7 {Stockfish10} (4... Nf6 {main}) 5. Nd5 {
a natural response, forcing the Q to retreat or take up an awkward position} (
5. d3 {most frequent}) 5... Qd6 6. d3 (6. c3 {sharpest line; Cloud Engines'5-1}
) 6... h6 7. Be3 $146 (7. O-O) (7. c3) (7. Nh4) (7. Qe2 {4-0}) 7... Bd4 (7...
Bxe3 8. fxe3 Nf6 9. O-O $16) 8. c3 (8. Nxd4 Nxd4 (8... exd4 9. Bf4 Ne5 10. Qh5
$18) 9. f4 $18 {Stockfish10}) 8... Bb6 9. b4 (9. d4 $18) 9... Nce7 (9... Bxe3)
10. Qb3 (10. Nxb6 axb6 11. d4 $18 {Stockfish10}) 10... Nxd5 11. Bxb6 $2 (11.
exd5 Qg6 12. O-O d6 $11 {Stockfish10}) 11... Nxb6 $19 12. Bxf7+ Kf8 13. Bxg8
Rxg8 14. Rd1 Qg6 (14... Qf6 15. d4 d6 $19 {Stockfish10}) 15. Nh4 Qg4 16. g3 Qh3
$2 (16... g5 $19) (16... d6 $19) 17. Ng6+ (17. Ng6+ Ke8 18. Qxg8#) 1-0

[Event "Dyfed Major 2019"]
[Site "?"]
[Date "2019.02.23"]
[Round "2"]
[White "Greenwood, Ray"]
[Black "Narayan-Taylor, Robert"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "1304"]
[BlackElo "1368"]
[Annotator "kemen"]
[PlyCount "62"]
[EventDate "2019.??.??"]

{[%evp 0,62,19,34,53,28,21,45,49,33,178,186,353,110,75,50,80,45,70,55,67,-5,8,
2,6,-16,0,-72,9,-42,43,28,28,-82,-77,-105,-58,-126,-192,-183,-168,-188,-103,
-108,-155,-168,-150,-273,-277,-541,-481,-495,-501,-557,-557,-998,-525,-2198,
-2642,-29989,-1001,-1029,-1077,-2559,-902]} 1. e4 Nc6 2. d4 e6 3. Nf3 d5 4. Nc3
b6 (4... Nf6 {main, has become a Guimard var of the French}) 5. Bb5 Bb7 6. Bf4
$146 (6. Ne5 Nge7 (6... Qd6 7. Bf4 f6 8. Qh5+ g6 9. Nxg6 hxg6 10. Qxh8 (10.
Qxg6+ Kd7 11. Bxd6 $18) 10... Qxf4 11. Qxg8 O-O-O 12. Qxe6+ Kb8 13. Bxc6 Rd6
14. Qe8+ Bc8 15. Qxf8 Rxc6 16. O-O $18 {Lienau-Kopanski, GER North tm ch U16,
Magdeburg 2001,0-1!}) 7. Qf3 f6 8. Nxc6 Bxc6 9. Bxc6+ Nxc6 10. exd5 Nxd4 11.
Qd3 e5 12. O-O Bc5 13. Qg3 Qd7 14. Re1 Nxc2 {Thomas-Crepin, Bethune 2001,0-1})
6... Bb4 7. O-O Bxc3 8. bxc3 a6 9. Bd3 Nf6 10. Re1 (10. e5 Ne4 11. c4 O-O 12.
cxd5 exd5 13. Qe1 Ne7 $14 {Komodo12}) 10... Nxe4 11. Bxe4 dxe4 12. Rxe4 (12.
Ng5 $11) 12... Qd7 13. d5 Ne7 (13... O-O-O $15 {Komodo12}) 14. c4 O-O-O (14...
O-O $11) 15. Ne5 $14 Qe8 16. Qe2 (16. Re1 $14) 16... exd5 17. cxd5 f5 (17...
Nxd5 $17 {Komodo12}) 18. Re3 Nxd5 $17 19. Rf3 Nxf4 20. Rxf4 Rf8 (20... Qe6 $19)
21. Re1 g5 22. Rb4 Qe6 23. a4 Rfe8 $19 24. h3 Rd5 25. Qc4 Rxe5 26. Rxe5 Qxe5
27. Qf7 Qe6 28. Qxh7 Qe1+ 29. Kh2 Qxb4 (29... Qxf2 $18 {mating soon}) 30. Qxf5+
Kb8 31. Qf7 Qf4+ (31... Qd6+ 32. g3 Qd1 33. Qxe8+ Ka7 {mating, Komodo12}) 0-1

[Event "Dyfed Major 2019"]
[Site "?"]
[Date "2019.02.23"]
[Round "2"]
[White "Osinga, Awne"]
[Black "Baron, Margaret"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1350"]
[BlackElo "850"]
[Annotator "kemen"]
[PlyCount "49"]
[EventDate "2019.??.??"]

{[%evp 0,49,39,17,45,28,52,22,69,-11,-2,-23,146,-14,381,310,327,326,322,259,
299,278,342,313,332,335,308,292,349,255,281,277,303,311,337,403,470,483,518,
575,968,1004,1014,1027,29993,29994,29995,29996,29997,29998,29999,-30000]} 1. e4
e6 2. Nf3 c5 3. c4 Nf6 4. d3 d5 (4... d6 {main}) 5. cxd5 Nbd7 {Bl should
recapture} (5... exd5 6. exd5 Nxd5 {0-2}) 6. e5 (6. dxe6 fxe6 7. Nc3 $16 {
Komodo12}) 6... g6 $2 (6... Nxd5 $11) 7. exf6 $11 Nxf6 8. dxe6 Bxe6 9. Qe2 Qd7
10. Ng5 b6 11. Nxe6 fxe6 12. Qf3 Nd5 13. g3 O-O-O 14. a3 Bg7 15. Bg2 h5 16. h4
b5 {best not to move pawns in front of a castled K unless forced} 17. O-O Bf6
18. Nc3 Bxc3 19. bxc3 Nxc3 20. Qa8+ Kc7 21. Qxa7+ Kc8 22. Qa6+ Kc7 23. Bf4+ e5
24. Bxe5+ Qd6 25. Qb7# 1-0

[Event "Dyfed Major 2019"]
[Site "?"]
[Date "2019.02.23"]
[Round "3"]
[White "Brewer, Ben"]
[Black "Scott, Paul"]
[Result "1/2-1/2"]
[ECO "E65"]
[WhiteElo "1555"]
[BlackElo "1581"]
[Annotator "kemen"]
[PlyCount "88"]
[EventDate "2019.??.??"]

{[%evp 0,88,28,23,25,-14,36,36,36,36,36,31,19,27,27,-26,-16,-7,32,-14,19,2,4,4,
6,-31,48,35,36,36,102,105,102,46,54,65,56,18,85,131,128,15,16,16,87,101,123,
130,164,152,151,143,164,100,128,145,177,190,185,181,170,174,168,180,205,174,
184,163,180,175,163,139,138,91,115,107,90,109,111,114,96,96,132,118,118,-112,
-54,-48,-73,-138,-48]} 1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. Nc3 O-O 5. g3 d6 6. Bg2
c5 7. e3 {a little passive} (7. O-O) (7. d5) (7. dxc5 {main lines}) 7... Na6 {
perhaps hoping Wh will play d5 , when this N can support b5 from c7} (7... Nc6)
(7... Nbd7 {main lines}) 8. O-O Rb8 9. Nb5 (9. b3 {main}) 9... Ra8 (9... Bd7 {
as taking the a pawn doesn't do much , other than to help Bl open the Q side}
10. Nxa7 (10. Bd2 Bxb5 11. cxb5 Nc7 12. a4 b6 13. b4 Ne4 $11 {Balog-Egyed, HUN
ch tm 2010,1/2-1/2}) (10. a4 cxd4 11. exd4 Qc8 (11... Nb4 12. Nxa7 Bf5 13. Ne1
d5 14. b3 $14) 12. Qe2 d5 13. Bf4 Ra8 14. Qxe7 $18 {Pottker-De Paula, Brasilia
Terra viva op 2016,0-1}) 10... Nc7 (10... Qb6 11. Nb5 Bxb5 12. Qb3 $14) 11.
dxc5 dxc5 12. Ne5 Bf5 13. f4 Ra8 14. Nb5 Nxb5 15. cxb5 Qc7 16. Qe2 Nd7 {
Bl has enough play for the pawn}) 10. Re1 (10. Bd2 Bd7 11. a4 Qc8 12. Re1 Ne4 (
12... Nb4) 13. Qb3 Bg4 $15 (13... Nxd2 14. Nxd2 Nb4 $15) 14. Bc3 Qf5 $17 {
Theisinger-Frick, Boeblingen op 1994,0-1}) 10... Nb4 11. a3 Nc6 12. d5 Nb8 (
12... Na5 {is a standard move in the Yugoslav variations , based on Nc6 to
proke d5}) 13. Qc2 a6 14. Nc3 Bd7 {the B actually gets in the way here} (14...
Nbd7 $11) (14... b5 $11 15. cxb5 axb5 16. Nxb5 Nxd5) 15. e4 $16 b5 16. Nd2 {
the c pawn needs no direct protection as Bl can't keep his pawn there if taken,
& the c4 square will be a useful base for the Wh Ns} (16. e5 $1 {is the
dynamic reply to Bl's last} Ng4 (16... dxe5 17. Nxe5 $16) 17. exd6 exd6 18. Ne4
Bf5 19. Bf4 $14 {Bl then probably needs to gambit the D pawn to get some piece
play}) 16... Nh5 (16... Ng4 $11 {Komodo12}) 17. Rb1 b4 (17... f5) 18. Na4 (18.
axb4 cxb4 19. Na4 a5 20. c5 dxc5 21. Nc4 $14 {Komodo12}) 18... f5 (18... a5 $11
) 19. axb4 cxb4 20. exf5 (20. c5 $16 {Komodo12}) 20... Bxf5 21. Be4 (21. Ne4 {
releases the QB & retains Wh's K protection}) 21... Bxe4 (21... Nd7) 22. Qxe4
Ra7 23. b3 (23. Nf3) 23... Qe8 24. Bb2 (24. Nf3 $18 {Komodo12} Qd7 (24... Qf7
25. Be3 Rb7 (25... Qxf3 26. Qxf3 Rxf3 27. Bxa7 $18) 26. Ng5 $18 {Komodo12}) 25.
Ng5 Qf5 26. Qe6+ Qxe6 27. Nxe6 {the Bl armies are split in2}) 24... Nf6 25.
Qe6+ (25. Qe2 $18) 25... Qf7 26. h4 Nh5 (26... Ng4 27. Qxf7+ Rxf7 28. f3 Nf6
29. f4 Ng4 30. Kg2 Nd7 31. Bxg7 Kxg7 32. Nf3 h6 33. Nd4 $16) 27. Kg2 Kh8 28.
Qxf7 Rxf7 29. Nf3 h6 30. Nd4 (30. c5 $18 {Komodo12}) 30... Kg8 31. Ne6 $18 Bxb2
32. Rxb2 Ng7 33. Rbe2 Nxe6 34. Rxe6 Kg7 35. f3 (35. c5 {makes use of Wh's
better placed N} dxc5 36. Nxc5 a5 37. Nd3 Na6 38. R1e5 $18 {Komodo12}) 35... a5
36. g4 Na6 37. h5 {opens up the K but also leaves the h5 pawn vulnerable for
later} (37. Kg3 $16 {waiting & improving the K position} Kh7 38. f4 Rc7 39. g5
h5 40. f5 Rxf5 (40... gxf5 41. g6+ $18) 41. Rxe7+ Rf7 42. Rxf7+ Rxf7 43. Re8
$18 {when Bl has several vulnerable pawns & Wh has things covered} Rf1 {
targetting b3 is too slow.} 44. Re6 (44. Re7+ Kg8 {brings the K closer to the
d pawn & removes a tactical point in Whs favour}) 44... Rb1 (44... Nc5 45. Nxc5
dxc5 46. d6 Rd1 47. Re7+ Kg8 48. d7 {is a quick win}) 45. Rxd6 Rxb3+ 46. Kf4
Nb8 47. Rb6 Nd7 48. Rb7) 37... gxh5 38. gxh5 Kh7 39. Kf2 Nc5 40. Nxc5 dxc5 41.
Rc6 (41. Ra1 Rf5 42. Rh1 Kg7 43. Rg1+ Kh7 44. Rge1 Rxh5 45. Rxe7+ Rxe7 46.
Rxe7+ Kg6 47. Rc7 Rh2+ 48. Kg3 Rb2 49. Rxc5 Rxb3 50. Rxa5 Rc3 51. Kf4 Rxc4+ 52.
Ke5 Rc3 $11 {Komodo12}) 41... a4 42. Ree6 (42. bxa4 Rxa4 43. Rxc5 (43. Ree6 Ra3
44. Rxh6+ Kg8 45. Rcg6+ Rg7 (45... Kf8 46. Rh8#) 46. Rc6 Rf7 47. Rhg6+ Kh7 48.
Rg3 Rc3 49. Rxc5 b3 50. Rh3 Rf5 51. Rb5 Rc2+ 52. Ke3 Rxc4 53. Rxb3 Rxd5 $14 {
looks drawnas the h pawn is no threat}) 43... Ra3 44. Re3 Ra2+ 45. Kg3 Rc2 46.
Rc6 Kg8 47. Rb3 Rc3 48. Rg6+ Kh7 49. Rxb4 Rcxf3+ 50. Kh4 $14 {Wh certainly has
chances with the extra c pawn, but its a tricky ending with both sets of Rs
still on the board.}) 42... axb3 43. Rxh6+ Kg8 44. Rhg6+ {but with that pawn
on b3 sheltered from Rs coming behind to stop its advance, it's Bl who can
play for a win} Kh7 (44... Rg7 45. Rxg7+ Kxg7 46. Rg6+ Kh7 47. Rg1 {otherwise
the pawn gets through} Ra2+ 48. Kg3 Rc2 49. Rb1 Rxc4 (49... Kh6 50. Rxb3 Rc3
51. Rb2 Rxc4 {comes to about the same}) 50. Rxb3 Kh6 51. Re3 Rd4 52. Rxe7 c4 (
52... Rxd5 53. Kg4 Rg5+ 54. Kf4 Rxh5 {when Lomonosov tablebases give both} 55.
Rb7 {and} (55. Ke4 {as holding the draw- the Bl K needs to be nearer the pawns}
)) 53. f4 c3 {threat Rc4} (53... b3 54. Rb7 Kxh5 55. Kf3 Rxd5 {Bl mates in 26-
Lomonosov tablebases}) 54. Rc7 Kxh5 55. Kf3 Rxd5 {and Bl mates in 23 moves-
Lomonosov tablebases}) 1/2-1/2

[Event "Dyfed Major 2019"]
[Site "?"]
[Date "2019.02.23"]
[Round "3"]
[White "Thacker, Steve"]
[Black "Hammett, Scott"]
[Result "0-1"]
[ECO "A83"]
[WhiteElo "1430"]
[BlackElo "1540"]
[Annotator "kemen"]
[PlyCount "78"]
[EventDate "2019.??.??"]

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 e6 {this can lead to a slightly
vulnerable K side} (4... Nc6) (4... c6 {main lines}) 5. Nxe4 Be7 6. Nxf6+ (6.
Bxf6 {main} Bxf6 7. Nf3 O-O 8. Bd3) 6... Bxf6 7. Bxf6 Qxf6 {but in this
version Bl does a little better than Wh} 8. Nf3 d6 (8... O-O {main}) 9. Qd2 (9.
Bd3 Nc6 {1 Wh win, 1 draw & 1 Bl win}) 9... Nc6 $146 (9... O-O 10. Qg5 (10.
O-O-O Bd7 11. Bd3 Bc6 12. Be2 Nd7 13. Rdf1 a5 14. Rhg1 e5 15. d5 {Roos-Kostbar,
Bingen op 1996,1-0}) 10... Nc6 11. Qxf6 gxf6 12. O-O-O e5 {Weidlich-Hoffmann,
Oberliga Ost 1994,1/2-1/2}) 10. c3 Bd7 11. Bd3 O-O-O 12. O-O-O $11 (12. O-O $11
) 12... e5 13. d5 (13. dxe5 Nxe5 14. Nxe5 Qxe5 $11 {Komodo12}) 13... Ne7 14.
Be4 h6 15. h3 Rde8 (15... Bf5) (15... Rhf8) 16. g4 $6 {leaves the f2 pawn
backward} Ng6 (16... Ref8) 17. g5 hxg5 18. Nxg5 Nf4 $17 19. h4 Bg4 20. Rde1 (
20. f3) 20... Bf5 21. f3 Rh5 22. Rh2 Reh8 23. Reh1 Ng6 24. Qf2 Nxh4 (24... Rxh4
$19) 25. Rxh4 $2 (25. Ne6 Bxe6 26. dxe6 Kb8 27. c4 Qxe6 28. Kb1 g5 29. Qc2 {
hoping for some wh square play is worth a try} c6 $17) 25... Rxh4 26. Rxh4
Qxg5+ 27. Kd1 Qxh4 $19 (27... Rxh4 $19 {preferred by Komodo12} 28. Bxf5+ Kb8
29. Be4 Qf4 30. Qe1 Rh2) 28. Bxf5+ Kd8 (28... Kb8) 29. Qxh4+ (29. Qxa7 $5)
29... Rxh4 30. Kc2 Rf4 31. Be4 g5 32. Kd3 Ke7 33. b4 Rh4 (33... g4 {activates
the R & opens a path for the Bl K to enter}) 34. a4 Rh3 35. Kc4 Rh4 36. Kd3 b6
37. Kc4 Kd8 38. Kb5 Rxe4 39. fxe4 g4 0-1

[Event "Dyfed Major 2019"]
[Site "?"]
[Date "2019.02.23"]
[Round "3"]
[White "Narayan-Taylor, Robert"]
[Black "Nukalapati, Sarthak"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1368"]
[BlackElo "888"]
[Annotator "kemen"]
[PlyCount "81"]
[EventDate "2019.??.??"]

1. a4 e5 2. e4 Nc6 (2... Nf6 {main}) 3. c3 $146 (3. b3 Bc5 4. Bb2 d6 5. Nf3 Bg4
6. Be2 Nge7 7. c3 a5 8. d4 {Narayan-Taylor vs J Jones, Dyfed League 2018,1-0})
(3. Bc4 Nf6 4. d3 {is an Italian, where a4 is often useful}) 3... d6 (3... d5
$15 {a kind of Scandinavian- Cloud Engines}) 4. Nf3 Nf6 5. Qc2 (5. Bb5 Nxe4 6.
d4 $11 {is a kind of Spanish ( Ruy Lopez)}) 5... Be6 6. d3 (6. d4 {looks ok})
6... d5 7. Bg5 (7. Nbd2 {will transpose to a Reversed Philidor or perhaps
White Lion}) 7... dxe4 8. dxe4 a6 9. b4 {[%eval 0,0] this can wait, though it
does take away c5 from the l B} (9. Nbd2 {gives Wh a comfortable Philidor (
the central exchange eases tensions)}) 9... Bd6 10. Nbd2 h6 11. Bxf6 Qxf6 12.
Nc4 (12. Bc4 $11) 12... Qe7 (12... Be7 {safer}) 13. Nxd6+ Qxd6 (13... cxd6 {
is ok as well, since Wh cannot prevent d5 in the long run}) 14. Rd1 Qe7 15. b5
(15. Be2 O-O 16. O-O $11) 15... axb5 16. Bxb5 O-O $15 17. Bxc6 bxc6 18. Nxe5 $6
(18. O-O f6 19. Nh4 Qf7 20. Rb1 Ra6 21. Rb7 Rfa8 22. Ra1 Rb6 {Bl has good play
on the Qside}) 18... Qc5 (18... Qg5 $19 19. f4 (19. Nf3 Qxg2 20. Rg1 Qxf3 $19)
(19. Nxc6 Qxg2 {and the Wh K is in trouble} 20. Rf1 (20. Kd2 Bd7 $1 (20...
Qxf2+ 21. Kc1 Qe3+ 22. Rd2 Rfe8 $19) 21. Ne7+ Kh8 22. Rhg1 (22. Kc1 Qg5+ 23. f4
Qxe7) 22... Qxf2+ 23. Kc1 Qxc2+ 24. Kxc2 Bxa4+ 25. Kd3 Rfd8+ 26. Nd5 Bxd1 27.
Rxd1 c6 $19) 20... Bc4 $19 {Komodo12}) 19... Qxf4 20. Nf3 Qe3+ 21. Qe2 (21. Kf1
Bc4+) 21... Qxc3+ 22. Qd2 Qc5 23. Qd4 Qa5+ 24. Kf2 c5 $19 {Komodo12}) 19. Nd7
Bxd7 20. Rxd7 Qb6 (20... Qc4 21. Rd4 Qa6 22. Qe2 c5 23. Qxa6 Rxa6 24. Rc4 Ra5
25. Ke2 $16 {Komodo12}) 21. O-O $16 Ra7 22. Rfd1 Raa8 23. h3 c5 24. Kh2 (24. e5
) 24... c4 25. Rb1 (25. e5 $16) 25... Qe6 26. Rbd1 Rfe8 27. R1d4 (27. f3) 27...
Rab8 28. g3 Qb6 29. Qe2 (29. Rxc4) 29... Kh7 30. Rxf7 $18 Qc6 31. Qg4 (31. Rxc4
Qg6 32. Rcxc7) 31... Rg8 32. Qf5+ Kh8 33. Rdd7 (33. a5 Rb5 34. Rd5 Rxd5 35.
exd5 Qd6 36. Qe6 $18 {Komodo12}) 33... Rbe8 34. Rxc7 Qxe4 35. Qxe4 Rxe4 36. a5
Kh7 37. a6 Re6 38. a7 Ra6 39. Rxc4 Ra8 40. Rcc7 Rg8 41. c4 1-0

[Event "Dyfed Major 2019"]
[Site "?"]
[Date "2019.02.23"]
[Round "3"]
[White "Bevan, Paul"]
[Black "Osinga, Awne"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1300"]
[BlackElo "1350"]
[Annotator "kemen"]
[PlyCount "45"]
[EventDate "2019.??.??"]

{[%evp 0,45,19,25,21,13,14,8,16,-9,18,-28,-27,-47,-45,-25,-38,-41,-3,-16,-1,
-12,12,-4,79,69,116,-21,11,-260,-197,-171,-147,-142,-70,-199,213,438,592,592,
1401,1547,1757,2012,29997,29998,29999,-30000]} 1. d4 d5 2. e3 Nf6 3. Bd3 e6 4.
Nd2 Be7 5. f4 c5 6. c3 c4 {this can wait until Bl is better developed to then
decide on a course of action} (6... Nc6 {main}) 7. Bc2 b5 8. Ngf3 b4 $146 (8...
Bb7) (8... O-O) 9. Ne5 O-O 10. O-O Ba6 11. g4 (11. e4 {opening up the centre
for the Wh Bs is also good, as is}) (11. Rf3 {for a direct assault}) 11... b3
12. Bb1 Nfd7 (12... bxa2) 13. g5 Nxe5 14. Bxh7+ {this looks too early as the
Wh R is not yet in place to assist the Q} (14. dxe5 g6 15. axb3 cxb3 16. Rf2
Qb6 17. Nxb3 Nc6 18. Nd4 $16 {Komodo12}) 14... Kxh7 15. Qh5+ Kg8 16. dxe5 g6
17. Qh6 Nd7 {too slow} (17... Re8 18. Rf3 Bf8 19. Qh4 Bg7 {and while the B
protects the K, the position of the Wh pawns obstruct any other Wh piece from
joining in the attack. Meanwhile Bl will sacrifice to effect a breakthrough
ithe middle, though that may not be quite that easy. Engines underestimate the
extent of the blockage & just count the material to judge that Bl must be
winning.For example, on the next move they take the pawn on b3, whickh makes
Bl's task of opening lines on the Q side that much easier.} 20. a3 Nc6 (20...
Nd7 {preferred by the Engines, to send the N to d3 where it achieves nothing
much, or to sit at f8 just to stop Q h7}) 21. Rh3 Kf8 22. Qh7 d4 23. Ne4 dxc3
24. Nxc3 (24. Nf6 Qd1+ 25. Kg2 Qe2+ 26. Kg3 cxb2 27. Bxb2 Qxb2 $19) 24... Nxe5
25. fxe5 Qxg5+ 26. Rg3 Qxe5 $19 {Komodo12 nudged}) 18. Rf3 $18 Bxg5 19. fxg5
Re8 20. Rh3 Qxg5+ 21. Qxg5 Kg7 22. Qh6+ Kg8 23. Qh8# 1-0

[Event "Dyfed Major 2019"]
[Site "?"]
[Date "2019.02.23"]
[Round "3"]
[White "Jones, Hefin"]
[Black "Baron, Margaret"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1348"]
[BlackElo "850"]
[Annotator "kemen"]
[PlyCount "41"]
[EventDate "2019.??.??"]

{[%evp 0,41,19,28,38,38,79,4,86,66,150,149,293,318,833,780,876,836,872,818,938,
881,916,881,954,887,961,951,1132,1150,1228,1202,1554,1601,3907,4091,4218,5036,
3877,5156,29997,29998,29999,-30000]} 1. e4 e6 2. Nf3 Nf6 3. Nc3 g6 {risky if
combined with e6, as it leaves the bl squares vulnerable- though in some
opening variations Bl has adequate resources to defend} (3... d5 {main}) 4. d4
c5 (4... Bg7 {main- when creating a fianchetto space, one should fill it;
otherwise it just becomes a weakness}) 5. Bg5 {3-0} (5. e5 {main, 5-0}) 5... d6
(5... h6 6. Bh4 g5 7. Bg3 $16 Qb6 8. d5 Bg7 9. Nb5 d6 10. Nxd6+ $18 {
Ziegler-Trautner, Regensburg op 2004,1-0}) (5... Bg7 6. e5 {2-0}) 6. e5 (6.
Bb5+ {is even stronger, as it prevents a possible Q exchange- Komodo12} Bd7 (
6... Nc6 7. d5 a6 8. e5 axb5 9. Bxf6 Be7 10. Bxh8 $18) 7. e5 $19) 6... d5 (6...
dxe5 7. Bb5+ Nc6 8. Nxe5 Bg7 9. Bxc6+ bxc6 10. Ne4 O-O 11. O-O Bb7 12. Qf3 $18
{Komodo12}) 7. Bxf6 $18 Be7 8. Bxh8 a6 9. Bf6 Qd7 (9... Bxf6 10. exf6 Qxf6 11.
dxc5 $18) 10. Be2 b5 11. a3 c4 12. Qd2 Nc6 13. Qh6 Bf8 14. Qxh7 Qc7 15. O-O Bd7
16. Ng5 Ne7 17. Qxf7+ Kd8 18. Qxf8+ Be8 19. Nxe6+ Kd7 20. Qxe7+ Kc6 21. Qxc7#
1-0

[Event "Dyfed Major 2019"]
[Site "?"]
[Date "2019.02.24"]
[Round "4"]
[White "Hammett, Scott"]
[Black "Scott, Paul"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1540"]
[BlackElo "1581"]
[Annotator "kemen"]
[PlyCount "81"]
[EventDate "2019.??.??"]

{[%evp 0,81,29,-24,25,9,9,-15,4,-13,-2,-42,-26,-53,-53,-28,8,-27,-10,-67,-16,
-24,37,37,62,-24,-3,-9,33,40,65,69,83,88,91,106,101,101,88,82,90,81,81,94,133,
77,78,73,77,54,54,53,66,53,70,58,50,42,41,46,75,60,71,68,62,63,68,62,68,68,89,
111,111,116,94,96,94,126,190,191,191,76,114,100]} 1. f4 d6 2. Nf3 Nf6 3. e3 g6
4. d4 Bg7 5. c3 O-O 6. Be2 (6. Bd3 Nbd7 7. O-O Re8 8. Nbd2 e5 9. Ng5 {was a
game a week later , Hammett vs Watkin-Jones, Dyfed League 2019,0-1}) 6... Nbd7
7. O-O Qe8 (7... c5 {alternative setup}) 8. Qc2 $146 (8. Nbd2 {& various others
}) 8... b6 (8... e5 {logical after the last move}) 9. Nbd2 Ng4 $6 (9... Bb7) (
9... e5) 10. Ne4 f5 $6 {creates weaknesses in the Bl structure that don't fit
in with his intended setup} (10... Bb7 11. Ng3 c5 {looks better}) 11. Neg5 e6
12. Bc4 d5 13. Bb5 Bb7 14. Qa4 $14 c6 (14... Ngf6 15. Ne5) 15. Bxc6 Bxc6 16.
Qxc6 Rc8 17. Qxe6+ Qxe6 18. Nxe6 Rfe8 19. Nxg7 Kxg7 20. Ne5 $18 Ndf6 21. h3
Nxe5 22. fxe5 (22. dxe5) 22... Ne4 {Wh'sonly problem now is to activate the
bad B} 23. a4 a6 24. Ra3 (24. Rd1 Kf7 25. Bd2 g5 26. Be1 Ke6 27. Rac1 Re7 28.
Rc2 Rc6 29. Kf1 {and patiently prepare a c4 break}) 24... h5 25. Rb3 Re6 26.
Ra3 {admitting a dead end} h4 27. Re1 Rec6 28. Re2 Kf7 29. Rc2 Ke6 30. Bd2 g5
31. Be1 Ke7 32. Kh2 (32. Kf1) 32... Ke6 33. Ra1 R6c7 34. Rac1 b5 35. axb5 axb5
36. Ra1 b4 37. Ra6+ Ke7 38. Rc1 Rb7 39. Rca1 bxc3 40. bxc3 Rcc7 (40... Rcb8 $11
41. Rh6 Kf7 {Wh has not solved the B problem}) 41. Rh6 {Bl resigned, though a
little early as exact play is still required from Wh} (41. Rh6 Kf8 42. Ra8+ Kg7
43. Rah8 Rf7 44. R6h7+ Kg6 45. Rxf7 Rxf7 46. Rg8+ Kh7 47. Rd8 Rb7 48. e6 (48.
Rxd5 Rb1 49. Bxh4 gxh4 $17) 48... Nf6 (48... Kg6 49. Rxd5 Rb1 50. e7 Kf7 51.
Rxf5+ Ke8 52. Re5 Nd6 53. Bf2 Rb2 54. Bg1 $18) 49. g3 Rb2+ 50. Kg1 Rb1 51. gxh4
(51. Kf2 hxg3+ 52. Kxg3 Rxe1 $11) 51... Rxe1+ 52. Kf2 Ra1 53. e7 (53. hxg5 Ne4+
54. Kg2 (54. Kf3 Nxg5+ 55. Kg3 Nxe6 56. Rxd5 $11) 54... Ra2+ $11) 53... Ra7 54.
e8=Q Nxe8 55. Rxe8 gxh4 56. Re5 Ra1 57. Kf3 Kg6 58. Rxd5 $18 {Komodo12}) 1-0

[Event "Dyfed Major 2019"]
[Site "?"]
[Date "2019.02.24"]
[Round "4"]
[White "Bevan, Paul"]
[Black "Narayan-Taylor, Robert"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1300"]
[BlackElo "1368"]
[Annotator "kemen"]
[PlyCount "104"]
[EventDate "2019.??.??"]

{[%evp 0,104,80,10,29,25,20,2,-15,-41,-13,-16,-16,-44,-33,-42,-10,-59,-47,-47,
6,-52,-39,-33,27,-73,-36,-25,-25,-14,-21,-61,-81,-105,-75,-68,-28,-28,-26,-6,
-43,-43,-40,-56,-72,-72,-63,-43,-31,-30,-37,-64,-97,-97,-71,-47,-59,-87,-87,
-104,0,0,0,-27,-34,-22,56,37,90,89,89,86,218,48,176,192,197,217,228,243,319,
141,139,38,38,-221,-242,-315,7,47,-67,-12,25,0,21,21,23,-280,10,-61,0,0,-4,-1,
-1,-515,-549]} 1. d4 Nf6 2. e3 d5 3. Bd3 Nc6 4. f4 Bg4 5. Nf3 e6 6. c3 Bd6 7.
Nbd2 Qd7 (7... O-O {main}) 8. Bb5 (8. O-O {[%eval 150,0]}) 8... Ne4 (8... O-O
$15) 9. Qa4 (9. Nxe4 dxe4 10. Ne5 Bxd1 11. Nxd7 Bc2 12. Kd2 a6 $11 {Komodo12})
9... O-O 10. Ne5 (10. Nxe4 dxe4 11. Ne5 Bxe5 12. fxe5 f6 $11 {Komodo12}) 10...
Bxe5 11. fxe5 a6 12. Bd3 (12. Bxc6 bxc6 13. Nxe4 dxe4 14. b3 $14 {Komodo12})
12... b5 (12... Nxd2 13. Bxd2 Nxe5 14. Qxd7 Nxd7 $15 {Komodo12}) 13. Qc2 f5 14.
exf6 (14. a4 $11) 14... Nxf6 15. O-O e5 $15 16. Bf5 Bxf5 (16... Qd6 $17) 17.
Qxf5 e4 {locks in the QB} (17... Qe8) 18. Nb3 Qxf5 19. Rxf5 g6 (19... Ne7) 20.
Rf4 Nd7 21. Bd2 Rxf4 22. exf4 Re8 23. Be3 Ne7 $15 {Wh still has a bad B} 24. g4
h5 25. h3 hxg4 26. hxg4 Nf6 27. g5 Ng4 28. Re1 Nf5 29. Bc1 (29. Bd2) 29... e3 {
a bit early- the pawn will now need to be defended} (29... Kf7 $19 30. Re2 Nh4
31. Kf1 Rh8 $19 {Coming in via the h file}) 30. Kg2 $11 Nf2 31. Kf3 (31. Nc5
Kf7 32. Bxe3 $11 (32. Kf3 Nh4+ 33. Kg3 Nf5+ 34. Kf3 Nh4+ $11)) 31... Nd3 32.
Re2 Nxc1 (32... Kf7 33. Bxe3 Rh8 34. Kg2 {Komodo12} Nxb2 $15) 33. Nxc1 $11 Re6
34. Nd3 Kf7 (34... a5 $11) 35. Ne5+ (35. Nb4 c6 36. Nxa6 $16 {Komodo12}) 35...
Ke7 (35... Kg7) 36. Ng4 (36. Kg4 $1 $18 Nd6 (36... Ke8 37. Nxg6 Nh6+ 38. gxh6
Rxg6+ 39. Kh5 Kf7 40. Rxe3 $18) 37. Rxe3 $18 {Komodo12}) 36... c5 (36... Nh4+
37. Kg3 Nf5+ 38. Kf3 Nh4+ $11 {Komodo12}) 37. dxc5 $18 (37. Nxe3 $18 {Komodo12}
) 37... d4 38. Ne5 $18 dxc3 39. bxc3 b4 40. c6 (40. cxb4 $18) 40... Kd6 41. Kg4
(41. cxb4 Nd4+ 42. Kxe3 Nxe2 43. Kxe2 Kd5 44. Kd3 $16 {Komodo12}) 41... bxc3
42. Nf7+ (42. Rc2 e2 43. Rxe2 c2 44. Nc4+ Kc7 45. Rxc2 Re3 46. Nxe3 Nxe3+ 47.
Kg3 Nxc2 48. f5 Nd4 49. fxg6 Nxc6 50. g7 Ne7 51. Kg4 Kd6 52. Kh5 Ke6 53. Kh6
Kf5 54. Kh7 Kxg5 55. g8=Q+ Nxg8 56. Kxg8 $11 {its a R pawn}) 42... Kc7 $19 43.
Ne5 Nd4 (43... Rd6 $19 {Komodo12} 44. Nxg6 Nd4 45. Rxe3 c2 46. Rc3 Rxg6 47.
Rxc2 Nxc2 48. f5 Rxc6 $19 (48... Ne3+ 49. Kf4 Nd5+ 50. Ke4 Rxg5 $19)) 44. Rxe3
$11 c2 45. Rc3 Rd6 46. Kh3 a5 47. Rc5 a4 48. Nd3 (48. Rc4 a3 49. Rc3 Re6 50.
Kg2 $11 {Komodo12}) 48... Re6 (48... Ne6 $19 {attacks several points}) 49. Ne5
(49. Nb4 $11) 49... Ne2 (49... Re8 $15) 50. Rxc2 Nxf4+ 51. Kg4 Nd5 52. Nd3 $2 (
52. Re2 $11) (52. Nc4 $11) 52... Ne3+ $19 0-1

[Event "Dyfed Major 2019"]
[Site "?"]
[Date "2019.02.24"]
[Round "4"]
[White "Jones, Jonathan"]
[Black "Jones, Hefin"]
[Result "0-1"]
[ECO "D21"]
[WhiteElo "1455"]
[BlackElo "1348"]
[Annotator "kemen"]
[PlyCount "76"]
[EventDate "2019.??.??"]

{[%evp 0,67,28,24,23,14,18,-17,105,105,225,221,221,224,287,287,315,301,315,324,
295,295,321,340,450,468,468,468,476,476,492,492,562,562,587,554,573,582,886,
767,886,767,1156,1119,1119,1119,1193,1144,1352,1590,1579,1601,1328,1085,1634,
2039,29989,29990,29991,2230,2230,2561,29993,29992,29995,29996,29997,29998,
29999,-30000]} 1. Nf3 Nc6 2. d4 d5 3. c4 dxc4 (3... Bg4 {Chigorin Defence}) 4.
d5 (4. e3) (4. Nc3) (4. e4) 4... Nb4 (4... Nb8 5. e4 {main, 90% for Wh}) 5.
Qa4+ {91% for Wh} c6 6. Qxb4 $18 {Wh is a piece up} Qxd5 (6... cxd5 {main}) 7.
Nc3 Qe6 $146 (7... b5 8. Nxd5 {Pregarac-Skrlep, SLO ch tm 2008,1-0}) (7... Qd8
8. Qxc4 Be6 9. Qf4 {Maladkar-Ikstena, EU ch girls U14,Riga 2018,1-0}) (7... Qd6
8. Qxc4 e5 $18 {Cloud Engines}) 8. e3 (8. e4 {Stockfish5 & Komodo12}) (8. Bf4 {
Komodo10 & Houdini4}) 8... b5 9. a4 Qf5 (9... a5 10. Qc5 b4 11. Bxc4 $18 {
Komodo12}) 10. Nd4 (10. axb5 $18) 10... a5 11. Ncxb5 (11. Qa3 Qh5 12. axb5 (12.
Qa2 b4 13. Qxc4 Bd7 14. Ne4 $18 {Komodo12}) 12... e5 13. Qa4 exd4 14. Qxc4 $18
{Komodo12}) 11... axb4 12. Nc7+ Kd8 13. Nxf5 Kxc7 $15 14. Nd4 e5 (14... Ba6)
15. Nf3 Be6 (15... c3 16. bxc3 bxc3 17. Nxe5 Be6 $15 {Komodo12}) 16. Nxe5 (16.
Ng5 c3 17. Nxe6+ fxe6 18. a5 Bd6 19. bxc3 bxc3 20. Bc4 Nf6 21. Bxe6 Rhe8 22.
Bc4 $11 {Komodo12}) 16... c3 17. Bc4 (17. bxc3 bxc3 18. e4 Nf6 19. f3 c2 20.
Kd2 Bc5 21. Kxc2 Bd4 22. Bb2 Bxb2 23. Kxb2 Rhb8+ 24. Kc3 $14 {Komodo12}) 17...
Bd6 $19 18. Bxe6 Bxe5 19. Bxf7 cxb2 20. Rb1 bxc1=Q+ 21. Rxc1 Bc3+ 22. Ke2 Rxa4
23. Rhd1 Nf6 24. f4 Rf8 25. Bc4 Re8 26. Rd3 Nd5 (26... Ne4) 27. Bxd5 cxd5 28.
Rxd5 Rd8 29. Rxd8 Kxd8 30. h4 Ra2+ 31. Kf3 Bd2 (31... Ke7) 32. Rb1 Ke7 33. Rb3
Be1 (33... Ra3) 34. g3 Rf2+ 35. Ke4 Rg2 36. Kf3 Rxg3+ 37. Ke2 Bc3 38. h5 Rh3
0-1

[Event "Dyfed Major 2019"]
[Site "?"]
[Date "2019.02.24"]
[Round "4"]
[White "Nukalapati, Sarthak"]
[Black "Greenwood, Ray"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "888"]
[BlackElo "1304"]
[Annotator "kemen"]
[PlyCount "82"]
[EventDate "2019.??.??"]

{[%evp 0,82,28,20,33,20,42,5,17,-7,42,27,27,27,32,26,9,-12,-3,-9,2,-1,-7,-2,1,
4,7,-4,8,23,10,5,20,0,-2,8,18,20,22,22,21,-13,1,1,-13,0,5,1,12,12,27,6,36,19,
18,-3,-5,-23,18,6,14,-142,-142,-150,-178,-164,-153,-246,-279,-295,-21,-24,-11,
-27,-2,-66,13,25,10,-52,-23,-51,58,-716,-814]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6
4. d4 Bb4 {second most chosen} (4... exd4 {main}) 5. d5 (5. Nxe5 Qe7 (5... Nxe4
{main lines})) 5... Ne7 6. Bd3 (6. Nxe5 d6 7. Bb5+ Kf8 8. Nf3 Nxe4) 6... d6 7.
Bd2 (7. O-O) 7... O-O 8. Bg5 $146 (8. h3) (8. a3 {Cloud Engines}) 8... Ng6 9.
a3 Ba5 (9... Bxc3+ 10. bxc3 h6) 10. O-O h6 11. Be3 a6 12. Ne2 Bg4 13. Ng3 c5
14. h3 Bd7 15. c3 Re8 16. Qc1 b5 17. b4 cxb4 18. axb4 Bb6 $11 19. Re1 Bxe3 20.
Rxe3 (20. Qxe3) 20... Qb6 21. Ra5 Nf4 22. Qd2 g6 23. Ne2 N6h5 24. Ng3 Qb7 25.
Be2 Qc8 26. Nxh5 Nxh5 27. Nh2 Nf4 28. Bg4 h5 29. Bd1 (29. Bxd7 Qxd7 30. Nf3 $11
{Komodo12}) 29... Qd8 30. Rg3 (30. Nf3 {the N needs to return}) 30... h4 $17
31. Re3 Qg5 32. Bg4 f5 33. Nf3 (33. Bf3 Nxh3+ 34. Kh1 Nf4 $17) 33... Qf6 $19
34. exf5 Bxf5 (34... gxf5 $19 {as the Wh B has no treat}) 35. Nh2 (35. Bxf5
gxf5 36. Qa2 $11 {Komodo12}) 35... Re7 36. Ra2 Rg7 37. Rb2 (37. g3 $11) 37...
Bxg4 (37... a5) 38. Nxg4 Qg5 39. Rf3 (39. Kh2 $11) 39... a5 40. c4 axb4 41.
Rxb4 $2 (41. Qxb4 $11) 41... Nxh3+ 0-1

[Event "Dyfed Major 2019"]
[Site "?"]
[Date "2019.02.24"]
[Round "4"]
[White "Osinga, Awne"]
[Black "Thacker, Steve"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1350"]
[BlackElo "1430"]
[Annotator "kemen"]
[PlyCount "53"]
[EventDate "2019.??.??"]

{[%evp 0,53,80,25,23,17,14,13,13,28,12,18,12,9,7,1,0,-7,-14,-12,-6,-8,5,-49,
-49,-52,-12,-11,8,-40,29,5,17,10,13,-6,-11,-32,-4,-12,-1,-45,-38,-73,-1,-84,
-17,-48,-11,0,-6,-40,110,-15,8,-759]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6
5. d3 h6 6. h3 d6 7. a3 (7. Nc3) (7. c3) 7... O-O 8. c3 a6 9. Be3 Bxe3 (9...
Ba7 10. Bxa7 Rxa7 11. Nh2 b5 12. Ba2 Qe7 13. f4 Be6 14. f5 Bxa2 15. Rxa2 d5 {
Milec-Pinkas, SVK ch tm 2012,0-1}) 10. fxe3 Be6 (10... b5 $11 {Cloud Engines})
11. Ba2 (11. Bxe6 {Cloud Engines}) 11... Bxa2 12. Rxa2 Ne7 (12... d5 $15 {
Komodo12}) 13. b4 Ng6 14. Qe1 Nh7 15. Raf2 Ng5 16. Nbd2 Ne6 {Bl has no entry
points for the Ns- Wh has pressure down the f file} 17. Nh2 Qd7 18. Rf5 f6 19.
Qg3 Qe8 20. Ng4 Kh7 21. Nh2 (21. d4) 21... Ne7 (21... Qb5 $5) 22. R5f3 Qg6 23.
Qf2 Ng5 24. Rg3 Qf7 25. Nhf3 Rad8 26. Nh4 Rd7 (26... Qa2 27. Nf5 Nxf5 28. exf5
d5 29. h4 Nf7 30. e4 $11) 27. Qf5+ {Did both players think that Bl was
dropping a R & thus overlooking Nxf5?} (27. Nf5 Nxf5 28. Qxf5+ g6 29. Qf2 Ne6
$11) 1-0

[Event "Dyfed Major 2019"]
[Site "?"]
[Date "2019.02.24"]
[Round "5"]
[White "Narayan-Taylor, Robert"]
[Black "Hammett, Scott"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1368"]
[BlackElo "1540"]
[Annotator "kemen"]
[PlyCount "106"]
[EventDate "2019.??.??"]

{[%evp 0,106,80,1,28,42,40,39,40,11,32,-21,-24,-35,-15,-104,-107,-103,19,-64,
-54,-62,-54,-121,-109,-182,-145,-135,-123,-132,-122,-176,-102,-193,-176,-153,
-117,-115,-104,-161,-113,-114,-134,-129,-53,-56,-54,-135,-147,-145,-152,-209,
-49,-52,-53,-53,-55,-109,-115,-107,-87,-127,-84,-191,-197,-200,-200,-194,-191,
-197,-111,-130,-113,-140,-149,-139,-131,-118,-144,-144,-90,-65,-73,-90,-84,
-118,-106,-108,-108,-108,-174,-182,-244,-256,-288,-290,-40,-384,0,-29,0,0,0,0,
0,0,0,0,0]} 1. a4 {3rd time round in a tournament maybe it's lost its surprise
value? But there remain Wh's strategic aims of getting an unusual position.} f5
2. Nf3 (2. d4 Nf6 3. Bf4 e6 4. Nc3 Bb4 5. e3 Nd5 6. Kd2 Nc6 7. Qh5+ g6 8. Qf3
Nxf4 9. exf4 Nxd4 {Barczcz-Zimmermann, corr email, Welt open 1999,0-1}) (2. g4
fxg4 3. h3 d5 4. Ra3 e5 5. Rg3 Nf6 6. hxg4 Bxg4 7. d4 e4 8. Bh3 Bxh3 9. Nxh3
Qd7 10. Bg5 Nc6 11. Nf4 O-O-O 12. Nc3 Bb4 13. e3 {Abarca Gonzalez-Jorge, Rio
Grande op 2018,1-0}) 2... Nf6 (2... h6 3. a5 g5 {Maatoug-Brih, FRA ch U14,
Amiens 2001, draw agreed}) 3. d4 (3. a5 d6 4. c3 e5 5. d4 e4 6. Ng1 d5 7. Bg5
Bd6 8. Qb3 c6 9. c4 Na6 10. cxd5 cxd5 11. Bxf6 Qxf6 12. e3 Nc7 13. Nc3 Be6 14.
g3 O-O 15. h4 Rab8 16. Nh3 h6 17. Nf4 Qf7 18. h5 {Gutman-Voigt, Neckar op,
Deizisau 1998,1-0}) (3. e3 e6 4. b3 Be7 5. Bb2 O-O 6. d4 d6 7. Bd3 Bd7 8. c4
Na6 9. Nc3 Nb4 10. Bb1 Qe8 11. Ne2 a5 12. Ng3 Rd8 13. Bc3 Qg6 {Rao-Williams,
Purdy Jubilee , email ICCF 2003,0-1}) 3... e6 4. c3 d5 5. b4 Be7 6. Ba3 Nbd7 7.
Ne5 O-O 8. Nd2 Ng4 (8... Nxe5 9. dxe5 Ne4) 9. Nxd7 (9. Nxg4 fxg4 10. e3 Nf6 11.
Bd3 $11 {Komodo12}) 9... Bxd7 10. h3 Nf6 (10... Ne3 11. Qb3 Nxf1 12. Rxf1 b5
$17 {Komodo12}) 11. Nf3 Ne4 12. Qd3 Bxa4 $19 {Bl takes the bait} 13. b5 Bb3 (
13... c5) 14. Bxe7 (14. Nd2 Nxd2 15. Qxd2 a5 $19 {Komodo12}) 14... Qxe7 15. Ne5
Nd6 (15... a6) 16. Rb1 Bc4 (16... Ba2 17. Rb2 Bc4 {Komodo12}) 17. Nxc4 Nxc4 $17
(17... dxc4 $19 {Komodo12}) 18. e3 Qg5 19. Rh2 (19. g3 {looks more natural-
the R is out of play on h2}) 19... b6 (19... f4 $19 {open up the game when the
enemy K is still in the centre}) 20. h4 Qf6 (20... Qh6) 21. Qd1 Qe7 (21... f4)
22. Bxc4 dxc4 23. Rb4 a6 24. bxa6 Rxa6 25. Rxc4 Ra2 (25... Rfa8 $19 {Komodo12})
26. Ra4 Ra8 27. Rxa8+ Rxa8 28. Ke2 Ra2+ (28... Qd6 29. g3 Qd5 $19 {Komodo12})
29. Kf3 Qa3 30. d5 Qb2 31. g3 (31. g4 Qxc3 32. dxe6 fxg4+ 33. Kxg4 h5+ 34. Kh3
Qf6 35. Qxh5 Qxe6+ 36. Kg3 c5 $15 {Komodo12}) 31... Qxc3 $19 32. Kf4 Qc4+ (
32... Qb4+ $1 33. Qd4 e5+ 34. Kxe5 Qd6+ 35. Kxf5 Qd7+ 36. Ke5 (36. Kf4 Ra4 $19)
36... Ra4 37. Qxa4 (37. Qd3 Qd6+ 38. Kf5 Qf6#) 37... Qxa4 $19 {Komodo12}) 33.
Qd4 Qxd4+ (33... Qb5 34. Qe5 Ra4+ 35. Kf3 Re4 (35... Qxd5+ 36. Qxd5 exd5 $19)
36. Qxc7 Qxd5 37. Ke2 Rc4 38. Qb8+ Kf7 39. Qa7+ Kg6 40. h5+ Kh6 41. Qa2 Qc6 42.
Qb3 b5 $19 {Komodo12}) 34. exd4 exd5 35. Ke5 (35. Kxf5 Re2 36. Rh1 c5 $17 {
Komodo12}) 35... c6 (35... Kf7 36. Kxd5 Ke7 37. Ke5 Ra5+ 38. Kf4 Kf6 $17 {
Komodo12}) 36. Kd6 Rc2 37. Rh1 Rc4 (37... b5) (37... Kf7) 38. Re1 Rxd4 (38...
b5) 39. Kxc6 Re4 (39... Rd2 40. Kxb6 Rxf2 41. Kc5 f4 42. gxf4 Rxf4 43. Rh1 d4 {
and Bl has good winning chances}) 40. Rd1 d4 41. Kd5 Kf7 42. Rb1 d3 43. Rd1 Re8
44. Kc6 Rd8 $19 45. Kxb6 d2 (45... Kg6 {threatens a K invasion}) 46. Kc5 Kf6
47. Kc4 h5 (47... Ke5 48. f3 h5 49. Kc3 f4 50. g4 hxg4 51. fxg4 f3 $19 {
and the K breaks in}) 48. Kc3 (48. f4 $11) 48... g5 (48... f4 $1 $19 {opens a
pathway for the K} 49. Rxd2 Rxd2 50. Kxd2 Kf5 (50... fxg3 51. fxg3 Kf5 52. Ke3
Kg4 53. Kf2 {only draws}) 51. Ke2 Kg4 52. gxf4 Kxh4 53. Kf3 Kh3 (53... g6 54.
f5 gxf5 55. Kf4 {again is a draw} Kh3 56. Kxf5 h4 57. Kg5 Kg2 58. Kxh4 Kxf2)
54. f5 h4 55. Kf4 Kg2 $19) 49. Rxd2 (49. f4 $11) 49... Rxd2 50. Kxd2 f4 {
the right idea, but too late} 51. hxg5+ Kxg5 52. Ke2 (52. gxf4+ Kxf4 53. Ke2 h4
54. Kf1 h3 55. Kg1 Kf3 56. Kh2 $11 (56. Kh1 $11)) 52... fxg3 53. fxg3 h4
1/2-1/2

[Event "Dyfed Major 2019"]
[Site "?"]
[Date "2019.02.24"]
[Round "5"]
[White "Jones, Hefin"]
[Black "Brewer, Ben"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1348"]
[BlackElo "1555"]
[Annotator "kemen"]
[PlyCount "62"]
[EventDate "2019.??.??"]

{[%evp 0,62,80,58,18,15,54,15,8,8,43,37,20,17,44,-1,26,-67,-62,-132,-127,-180,
-129,-110,-148,-251,-251,-284,-189,-461,-435,-462,-462,-491,-478,-616,-732,
-733,-744,-761,-761,-772,-593,-593,-598,-619,-563,-565,-560,-643,-642,-771,
-799,-1493,-1138,-1365,-1635,-1656,-957,-1305,-771,-922,-960,-995,-960]} 1. Nf3
Nf6 2. d4 g6 3. e3 Bg7 4. Nc3 (4. Bd3 {main}) 4... d6 5. Bd2 O-O 6. Be2 Nbd7 7.
e4 $146 (7. O-O) 7... e5 8. Bd3 {Bl has gained a couple of Tempi in his King's
Indian setup} exd4 $17 9. Nb5 (9. Nxd4 Nxe4 {gins a central pawn}) 9... Re8 $19
(9... Nc5 $19 {Komodo12}) 10. Bg5 Nc5 (10... h6) (10... d5) 11. O-O Ncxe4 12.
Re1 Nxg5 13. Nxg5 a6 (13... Rxe1+ 14. Qxe1 c5 $19) 14. Bc4 {looking for
complications} Rxe1+ 15. Qxe1 d5 16. Nxc7 Qxc7 17. Bxd5 Nxd5 18. Qe8+ Bf8 19.
Nxh7 Kxh7 20. Qxf8 Qe7 (20... Rb8) 21. Qxe7 Nxe7 $19 22. Re1 Nc6 (22... Be6)
23. Re8 Rb8 24. Re4 Bf5 25. Rf4 Kg7 26. c3 Re8 (26... d3) 27. g4 Re1+ (27... d3
) 28. Kg2 Be4+ 29. f3 Bd3 (29... d3) 30. cxd4 g5 31. d5 gxf4 0-1

[Event "Dyfed Major 2019"]
[Site "?"]
[Date "2019.02.24"]
[Round "5"]
[White "Scott, Paul"]
[Black "Osinga, Awne"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "1581"]
[BlackElo "1350"]
[Annotator "kemen"]
[PlyCount "67"]
[EventDate "2019.??.??"]

{[%evp 0,67,28,38,18,38,5,5,49,19,19,17,47,26,26,-9,1,11,7,-16,-4,5,-19,34,92,
-12,-9,14,75,26,41,34,33,18,44,80,92,106,120,93,157,144,204,125,199,154,191,
171,198,181,412,411,722,707,1473,1810,1875,1906,1919,1866,1917,2020,2274,2318,
2318,1517,1927,1399,2146,2735]} 1. e4 e5 2. Nc3 Nf6 3. Bc4 d6 (3... Nxe4 4. Qh5
Nd6 5. Bb3 Nc6 6. Nb5 g6 7. Qf3 f5 8. Qd5 Qe7 9. Nxc7+ Kd8 10. Nxa8 b6 {
is the Frankenstein-Dracula var}) (3... Nc6 {main}) 4. d3 Be7 5. f4 exf4 6.
Bxf4 Be6 (6... O-O) (6... Nc6) 7. Nd5 $146 (7. Bb3) (7. Bxe6) 7... Nbd7 (7...
Bxd5 8. exd5 c6 $11 {Komodo12}) 8. Nf3 c6 9. Nxe7 Qxe7 10. Bb3 Bxb3 (10... d5
$11) 11. axb3 h6 12. Be3 (12. O-O $16 {Wh has play down the f file & a
possible outpost for the N on f5}) 12... a6 (12... d5 13. O-O dxe4 14. Nd4 O-O
15. Nf5 Qe5 16. dxe4 Qxe4 (16... Rfd8 17. Bd4 Qxe4 18. Qd2 $16) 17. Ra4 Qe5 18.
Qd2 $16 {there are lots of sacrificial possibilities for Wh}) 13. O-O O-O 14.
Qd2 (14. Nd4 $16) 14... Ng4 (14... d5 $11) 15. Bd4 Nge5 16. Rae1 f6 (16... c5
17. Bc3 b5 $11 {Komodo12}) 17. Nh4 $16 Qe8 18. Nf5 c5 19. Bc3 Nf7 20. Qf4 $18
Nde5 21. Re3 (21. Qg3 g6 22. Ne3 Ng5 23. Nd5 Kg7 24. Nc7 $18 {Komodo12}) 21...
Ng6 22. Qg3 (22. Qg4 $1 {every Wh piece is aimed at the K, & Bl is playing
with a R down & little space for his other pieces} Nfe5 23. Bxe5 fxe5 24. Rg3
Kh7 25. h4 $18 {Komodo12}) (22. Nxg7 Nxf4 23. Nxe8 Raxe8 24. Rg3+ Kh7 25. Rxf4
$18 {Komodo12}) 22... Nfe5 23. Nxd6 (23. Bxe5 dxe5 24. Qg4 $18 {Komodo12})
23... Qd7 24. Nf5 Rf7 (24... Kh7 {had to be tried}) 25. Bxe5 $18 (25. Nxh6+
gxh6 26. Bxe5 $18) 25... fxe5 (25... Nxe5 26. Nxh6+ $18) 26. Qxg6 Rf6 27. Nxh6+
Kf8 28. Rxf6+ gxf6 29. Qxf6+ Ke8 30. Rf3 (30. Nf5 {quickest way to
mate-Komodo12}) 30... Qd4+ 31. Kf1 Kd7 32. Qf7+ (32. Qb6) 32... Kc8 33. Qe6+ (
33. Qf8+ Qd8 34. Qxc5+ Kb8 35. Rf8) 33... Kb8 34. Qb6 1-0

[Event "Dyfed Major 2019"]
[Site "?"]
[Date "2019.02.24"]
[Round "5"]
[White "Greenwood, Ray"]
[Black "Bevan, Paul"]
[Result "1-0"]
[ECO "C15"]
[WhiteElo "1304"]
[BlackElo "1300"]
[Annotator "user,mesh"]
[PlyCount "132"]
[EventDate "2019.??.??"]

{[%evp 0,132,5,38,41,38,36,40,24,31,52,-3,171,163,169,155,147,74,74,74,68,46,
124,89,366,304,412,-7,-7,71,69,-39,-39,-17,-17,-203,-197,-221,-30,-232,228,
-382,310,-422,-215,-233,-169,-209,-144,-156,-160,-162,-164,-163,-145,-191,-156,
-187,-168,-154,-161,-208,-159,-210,-187,-223,-225,-225,-225,-225,-215,-155,
-195,-236,-246,-246,-235,-253,-202,-261,-245,-245,-188,-195,-195,-192,-195,
-197,-190,-189,-190,-185,-185,-190,-151,-143,-138,-240,-230,-236,-68,-217,0,0,
0,0,0,0,0,0,0,0,0,0,1015,178,1002,1016,1016,1022,1250,1954,2815,1032,1032,
29964,29961,29962,29961,29968,29967,29968,29989,29990,29993]} 1. e4 e6 2. d4 d5
3. Nc3 Bb4 4. Bd3 (4. e5 {main}) 4... c5 (4... dxe4 {main} 5. Bxe4 Nf6) 5. a3 (
5. exd5) 5... Qa5 $146 (5... Bxc3+ 6. bxc3 c4 7. Be2 dxe4 (7... Nf6) (7... Qa5
8. Bd2 {J Polgar-Korchnoy, Women-Veterans, Prague 1995,1/2-1/2})) 6. Bd2 $18 (
6. axb4 Qxa1 7. Nb5 Na6 8. dxc5 $18 {Komodo12- certainly looks promising for Wh
}) 6... Bxc3 7. Bxc3 Qc7 8. Nf3 (8. dxc5 Nf6 9. Bxf6 (9. exd5 exd5 10. Qf3 Qe7+
11. Ne2 Nbd7 12. Qg3 O-O 13. b4 $18 {Komodo12}) 9... gxf6 10. exd5 Qxc5 11.
dxe6 (11. Nf3 Qxd5 12. O-O) 11... Bxe6 12. Nf3 $18 {Komodo12}) 8... c4 9. Be2
dxe4 10. Ne5 $14 b5 11. d5 $16 (11. a4 $16) 11... exd5 (11... Nf6 12. d6 Qb7
13. a4 $16 {Komodo12}) 12. Qxd5 $18 Bb7 13. Qd4 (13. Qxb5+ Nc6 14. Bxc4 $18 {
Komodo12}) 13... f6 14. Bh5+ (14. Ng4 $14) 14... g6 15. Nxg6 (15. Be2 $16 Qb6 (
15... fxe5 16. Qxe5+ Qxe5 17. Bxe5 Nf6 18. Bxf6 O-O 19. Bg5 $16) 16. Qxb6 axb6
17. Ng4 Nd7 18. O-O-O $16 {Komodo12}) 15... hxg6 16. Bxg6+ Kf8 17. Bb4+ (17.
O-O-O $11 {Wh has a lot of activity for the piece, Bl must defend carefully})
17... Kg7 $15 18. Bxe4 Na6 (18... Rh4 19. f3 Bxe4 20. O-O-O Nc6 21. Qf2 Rxh2
$19 {Komodo12}) 19. O-O-O (19. Bxb7 $1 Nxb4 (19... Qxb7 20. Qg4+ Kh7 21. O-O-O
Nb8 (21... Nxb4 22. Rd7+ $18) 22. Rhe1 $18 {the Bl Rs are useless spectators})
20. Qg4+ Kf8 21. Bxa8 Nxc2+ 22. Ke2 Nxa1 23. Rxa1 Qe5+ 24. Kf3 Qxb2 25. Qc8+
Kg7 26. Qc7+ Kh6 27. Re1 $14 {Komodo12}) 19... Nxb4 (19... Qf4+ 20. Rd2 Qxe4
21. Qd7+ Kg6 22. f3 Bc8 23. fxe4 Bxd7 24. Rxd7 Nxb4 25. axb4 Nh6 $17 {Komodo12}
) 20. axb4 (20. Qd7+ {the obvious recapture is not always the best- Topalov:
Gibraltar Masterclass} Qxd7 21. Rxd7+ Kh6 22. Bxb7 $18 {Komodo12}) 20... Nh6
21. Rhg1 {attacking the K via a different route; but all forcing moves (
checks, captures) in a game should be looked at carefully} (21. Qd7+ $18) 21...
Bxe4 (21... Qf4+ {Bl should be looking as well} 22. Kb1 Rhd8 $19 (22... Qxe4
$19 {Komodo12})) 22. Qxe4 Rhe8 (22... a5 $19 {opens up the Wh K position}) 23.
Qf3 Rad8 24. g4 Rxd1+ (24... Qxh2 25. g5 Rxd1+ 26. Qxd1 Qf4+ 27. Kb1 fxg5 28.
Qd7+ Kf8 29. Qxb5 Nf7 $17 {Komodo12}) 25. Rxd1 Qe5 26. h4 Re7 (26... Nf7) 27.
g5 {Wh's only chance is to keep threatening the K} fxg5 28. hxg5 Qxg5+ 29. Kb1
Rf7 30. Qc3+ Qf6 (30... Kh7) 31. Rg1+ Kh7 32. Qe3 Qxf2 33. Qe4+ Qf5 34. Qc6 Rg7
35. Rh1 Qg5 36. Qe4+ Qg6 37. Qd5 a6 38. Re1 Qg3 39. Rd1 (39. Re6) 39... Qg2 40.
Qd6 Qe2 (40... Nf5 {the N needs to stop behaving as a big pawn in order to
make something of Bl's advantage}) 41. Rh1 Qe3 42. Qxa6 Rg1+ 43. Rxg1 Qxg1+ 44.
Ka2 Qg5 45. Qb7+ Kg6 46. Qc6+ Kh5 (46... Kg7 47. Qd7+ Nf7 {Komodo12- but how
is Bl to make progress?}) 47. Qe8+ Kh4 48. b3 (48. Qe1+ Kh3 49. Qh1+ Kg3 50.
Qg1+ Kf4 51. Qf2+ {Wh can just keep giving chase}) 48... cxb3+ 49. Kxb3 Qg3+ (
49... Qd5+ 50. Kb2 Nf5 {Komodo12- perhaps some signs of Bl activity}) 50. c3
Qg8+ {Bl forces off Qs, but has no more than a draw at best, as both his N & K
are far away from the Q side.} 51. Qxg8 Nxg8 {With best play its a draw-
Naliomov tablebases, but Wh is the only one who has winning chances.} 52. Kc2 (
52. c4 {gets rid of Bl's last pawn to ensure the draw. But Wh does right to
aim for more.}) 52... Nf6 53. Kd3 Nd5 54. Kd4 Nc7 {too defensive} (54... Nb6 {
ensures the draw} 55. Kc5 Na4+ 56. Kxb5 Nxc3+ 57. Kc4 Na4) 55. Kc5 Kg4 56. Kc6
Na8 $2 {and the N goes to its worst square} (56... Ne8 {is fine} 57. Kxb5 Kf5
58. c4 Ke6 59. c5 Kd7 $11) (56... Ne6 {also holds , though gets in the way of
the K return} 57. Kxb5 Nd8 58. c4 Kf5 59. c5 Ke6 $11) 57. Kxb5 (57. Kb7 {
winning the N is quickest , as the Bl K is still miles away}) 57... Kf5 (57...
Nc7+ {could at least be attemped, when only} 58. Kc6 {wins}) 58. Kc6 Ke4 59. c4
(59. Kb7 {also since the Wh pawns protect one another}) 59... Kd4 60. c5 Kc4
61. b5 Nc7 62. Kxc7 {which pawn do you want? You can't have both.} Kxb5 63. c6
Kc5 64. Kb7 Kd6 65. c7 Kd7 66. c8=Q+ Kd6 {Scoresheets are pretty much
illegible and inconsistent with each other from now on but White delivered
mate with either 74. Qg5 or 75. Qg5 against the Black king on h4 or h5. The
whereabouts of the White king is currently unclear...(Paul) with best play
it's a mate in 4.(Komodo12)} (66... Kd6 67. Qf5 Ke7 68. Kc6 Ke8 69. Kd6 Kd8 70.
Qf8#) 1-0

