Mathijs Ziepzeerder
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Haarlem AKN op 10th | 07/06/2001 | 621 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| B73 | Sicilian, dragon, classical, 8.O-O | 1 games |
| B54 | Sicilian | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A00 | Polish (Sokolsky) opening | 1 games |
| C50 | King's pawn game | 1 games |
| C51 | Evans gambit declined | 1 games |


Netherlands