Willem Tesselaar
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Alkmaar ACCOM op | ??/??/1993 | 0 | Netherlands |
| Alkmaar ACCOM op | ??/??/1992 | 75 | Netherlands |
| Alkmaar ACCOM op | ??/??/1991 | 0 | Netherlands |
| Alkmaar | ??/??/1989 | 68 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| C26 | Vienna, Falkbeer variation | 3 games |
| A46 | Queen's pawn game | 2 games |
| B32 | Sicilian defence | 1 games |
| E90 | King's Indian, 5.Nf3 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B12 | Caro-Kann defence | 2 games |
| A00 | Polish (Sokolsky) opening | 1 games |
| B19 | Caro-Kann, classical, 7...Nd7 | 1 games |
| B00 | King's pawn opening | 1 games |


Netherlands