Ton Koekkoek
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Dieren op mini | 07/26/2005 | 110 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| C02 | French, advance variation | 1 games |
| B32 | Sicilian defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A57 | Benko gambit | 1 games |
| D00 | Queen's pawn game | 1 games |


Netherlands