W. De Kok
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| OHRA-B | 07/??/1985 | 2281 | Netherlands |
| Bela Crkva op | 06/??/1983 | 719 |
Most Played Openings as White
| ECO | Opening | Games |
| A21 | English opening | 2 games |
| A42 | Modern defence, Averbakh system | 1 games |
| E94 | King's Indian, orthodox variation | 1 games |
| D41 | Queen's Gambit Declined, Semi-Tarrasch, 5.cd | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D37 | Queen's Gambit Declined, 4.Nf3 | 1 games |
| C00 | French defence | 1 games |
| D59 | Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) system, 8.cd Nxd5 | 1 games |
| A48 | King's Indian, East Indian defence | 1 games |


Netherlands