P. Ruiter
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Alkmaar ACCOM op | ??/??/1992 | 75 | Netherlands |
| Alkmaar ACCOM op | ??/??/1991 | 0 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| D02 | Queen's pawn game | 3 games |
| A97 | Dutch, Ilyin-Genevsky variation | 1 games |
| A81 | Dutch defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B44 | Sicilian defence | 2 games |
| D00 | Queen's pawn game | 1 games |
| B47 | Sicilian, Taimanov (Bastrikov) variation | 1 games |
| A53 | Old Indian defence | 1 games |


Netherlands