Jan Jonker
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Guernsey Holiday op | 10/20/2002 | 1070 | Guernsey |
Most Played Openings as White
| ECO | Opening | Games |
| C50 | King's pawn game | 1 games |
| C11 | French defence | 1 games |
| B01 | Scandinavian (centre counter) defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A47 | Queen's Indian defence | 2 games |
| D03 | Torre attack (Tartakower variation) | 1 games |
| E00 | Queen's pawn game | 1 games |
France
Male
FIDE ID:

Guernsey