M. Nyffenegger
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Weihnachts op-B | 12/26/1996 | 122 |  Switzerland |
| Zuerich op2 | 12/??/1995 | 124 | Switzerland |
| Zuerich op2 | ??/??/1994 | 854 | Switzerland |
| SUI-ch op | ??/??/1994 | 1987 | Switzerland |
Most Played Openings as White
| ECO | Opening | Games |
| B23 | Sicilian, closed | 3 games |
| C02 | French, advance variation | 3 games |
| B33 | Sicilian defence | 2 games |
| B60 | Sicilian, Richter-Rauzer | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C00 | French defence | 1 games |
| C08 | French, Tarrasch, open, 4.ed ed | 1 games |
| D37 | Queen's Gambit Declined, 4.Nf3 | 1 games |
| B84 | Sicilian, Scheveningen (Paulsen), classical variation | 1 games |
