Martin Christoffel
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| SUI-ch Seniors | 07/??/1999 | 1769 | Switzerland |
| Staunton mem | ??/??/1996 | 2071 | Netherlands |
| SUI-ch Seniors | ??/??/1994 | 0 | Switzerland |
| SUI-chT | ??/??/1994 | 2250 | Switzerland |
Most Played Openings as White
| ECO | Opening | Games |
| B26 | Sicilian, closed, 6.Be3 | 5 games |
| C02 | French, advance variation | 5 games |
| C17 | French, Winawer, advance variation | 4 games |
| C11 | French defence | 3 games |
Most Played Openings as Black
| ECO | Opening | Games |
| E94 | King's Indian, orthodox variation | 5 games |
| B17 | Caro-Kann, Steinitz variation | 4 games |
| E67 | King's Indian, fianchetto with ...Nd7 | 4 games |
| E95 | King's Indian, orthodox, 7...Nbd7, 8.Re1 | 2 games |


Switzerland
Netherlands