Erno Gereben
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Zuerich op | ??/??/1987 | 1283 | Switzerland |
| Zuerich Nova Park op | ??/??/1986 | 838 | Switzerland |
| Lugano op | 03/??/1983 | 2192 | Switzerland |
| Strasbourg op | ??/??/1981 | 0 | France |
Most Played Openings as White
| ECO | Opening | Games |
| A48 | King's Indian, East Indian defence | 14 games |
| D02 | Queen's pawn game | 10 games |
| E70 | King's Indian, 4.e4 | 7 games |
| D03 | Torre attack (Tartakower variation) | 7 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C90 | Ruy Lopez, closed (with ...d6) | 8 games |
| C98 | Ruy Lopez, closed, Chigorin, 12...Nc6 | 7 games |
| E62 | King's Indian, fianchetto variation | 6 games |
| A03 | Bird's opening | 5 games |


Switzerland
France