Karl Mah
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| 4NCL 2013-14 | 11/16/2013 | 2240 | United Kingdom |
| 4NCL 2012-13 | 11/03/2012 | 2302 | United Kingdom |
| 4NCL 2012-13 | 11/03/2012 | 2277 | United Kingdom |
| London League 2010-11 | 09/27/2010 | 2428 | United Kingdom |
Most Played Openings as White
| ECO | Opening | Games |
| A45 | Queen's pawn game | 6 games |
| D45 | Queen's Gambit Declined semi-Slav, 5.e3 | 4 games |
| E14 | Queen's Indian, 4.e3 | 4 games |
| A68 | Benoni, four pawns attack | 4 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B07 | Pirc defence | 6 games |
| A48 | King's Indian, East Indian defence | 6 games |
| B50 | Sicilian | 6 games |
| B76 | Sicilian, dragon, Yugoslav attack, 7...O-O | 5 games |


United Kingdom