Jean Cornu
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Baden Casino op | 04/??/1999 | 1563 | Switzerland |
| Liechtenstein op | 05/??/1995 | 1382 | Liechtenstein |
| Bad Ragaz op | 04/??/1994 | 892 | Switzerland |
| Bad Ragaz op | ??/??/1993 | 831 | Switzerland |
Most Played Openings as White
| ECO | Opening | Games |
| C09 | French, Tarrasch, open variation, main line | 1 games |
| B76 | Sicilian, dragon, Yugoslav attack, 7...O-O | 1 games |
| C83 | Ruy Lopez, open, classical defence | 1 games |
| B38 | Sicilian, accelerated fianchetto, Maroczy bind, 6.Be3 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B40 | Sicilian defence | 5 games |
| B22 | Sicilian, Alapin's variation (2.c3) | 1 games |
| E38 | Nimzo-Indian, classical, 4...c5 | 1 games |
| D02 | Queen's pawn game | 1 games |


Switzerland
Liechtenstein