Erwin Nievergelt
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Benidorm op-B | 11/22/2002 | 42 | Spain |
| SUI-JUG | ??/??/1972 | 0 | Switzerland |
| SUI-Bayern | 05/??/1970 | 0 | Switzerland |
| Clare Benedict Cup 14th | ??/??/1967 | 0 | Switzerland |
Most Played Openings as White
| ECO | Opening | Games |
| E61 | King's Indian defence, 3.Nc3 | 3 games |
| A04 | Reti opening | 2 games |
| A54 | Old Indian, Ukrainian variation | 2 games |
| B07 | Pirc defence | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B63 | Sicilian, Richter-Rauzer, Rauzer attack | 4 games |
| C64 | Ruy Lopez, classical (Cordel) defence | 2 games |
| B88 | Sicilian, Sozin, Leonhardt variation | 2 games |
| E15 | Queen's Indian, 4.g3 | 2 games |


Spain
Switzerland