W. Altermatt
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Silvaplana op2 | ??/??/1993 | 114 |  Switzerland |
| Leukerbad op | 07/??/1992 | 0 | Switzerland |
Most Played Openings as White
| ECO | Opening | Games |
| B15 | Caro-Kann defence | 1 games |
| B88 | Sicilian, Sozin, Leonhardt variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C53 | Giuoco Piano | 1 games |
