Ma Keller
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Hassloch op-B | 05/??/1999 | 58 | Germany |
| Hassloch op-B | ??/??/1998 | 61 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| C01 | French, exchange variation | 1 games |
| B33 | Sicilian defence | 1 games |
| C06 | French, Tarrasch, closed variation, main line | 1 games |
| B80 | Sicilian, Scheveningen variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B02 | Alekhine's defence | 3 games |
| B50 | Sicilian | 1 games |
| B22 | Sicilian, Alapin's variation (2.c3) | 1 games |
| B05 | Alekhine's defence, modern variation, 4...Bg4 | 1 games |


Germany