| Wales & Fide | Gwent | Dyfed | West Wales | North Wales |
|---|---|---|---|---|
| Batch Ratings | WCU | WCU Juniors | EGCA | Archive |
| Player | E1 | Pld | New | Diff |
|---|---|---|---|---|
| Alan MacDonald | 850 | 1 | 847 | -3 |
| Duncan MacDonald | 1409 | 32 | 1448 | 39 |
| Elliott MacNeil | 1638 | 0 | 1638 | 0 |
| Mike Maddocks | 1200 | 5 | 1219 | 19 |
| Mike Maguire | 1637 | 10 | 1598 | -39 |
| Dave Mahoney | 1350 | 8 | 1293 | -57 |
| Gethin Marshall | 850 | 2 | 820 | -30 |
| Javier Martin Perez | 2050 | 3 | 2049 | -1 |
| Tom Martin | 965 | 0 | 965 | 0 |
| Viv Martin | 1630 | 7 | 1643 | 13 |
| Edward Mason | 1439 | 8 | 1440 | 1 |
| Rhys Matthews | 859 | 13 | 941 | 82 |
| Laurence Matuszczyk | 1164 | 7 | 1168 | 4 |
| Nick Mavroyenneas | 928 | 3 | 915 | -13 |
| Pagona Mavroyenneas | 949 | 2 | 943 | -6 |
| Callum McGarvey-Jones | 1006 | 2 | 994 | -12 |
| John McGregor | 1897 | 19 | 1889 | -8 |
| Joshua McKenna | 1393 | 0 | 1393 | 0 |
| Mike McLoughlin | 1388 | 4 | 1374 | -14 |
| Mabon Melbourne | 883 | 1 | 878 | -5 |
| Brenda Miles | 1249 | 5 | 1245 | -4 |
| Aryon Misra | 850 | 1 | 847 | -3 |
| Mark Moraetes | 1200 | 0 | 1200 | 0 |
| Richard Morgan | 1318 | 2 | 1323 | 5 |
| Justin Morgans | 1729 | 17 | 1700 | -29 |
| Brian Morris | 850 | 0 | 850 | 0 |
| Dave Morris | 1019 | 5 | 1017 | -2 |
| Gwilym Moses | 870 | 3 | 875 | 5 |
| Iestyn Moynihan | 860 | 3 | 824 | -36 |
| Ellora Muckherjee | 866 | 0 | 866 | 0 |
| Egor Muljarov | 1537 | 4 | 1556 | 19 |