Walter Verdonk
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| NED-chT 9596 | ??/??/1995 | 1058 | Netherlands |
| NED-chTB 9495 | ??/??/1994 | 576 | Netherlands |
| Huy op | ??/??/1993 | 281 | Belgium |
| Purmerend-B | ??/??/1993 | 680 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| B06 | Robatsch (modern) defence | 2 games |
| B92 | Sicilian, Najdorf, Opovcensky variation | 2 games |
| B15 | Caro-Kann defence | 1 games |
| B93 | Sicilian, Najdorf, 6.f4 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| E12 | Queen's Indian defence | 2 games |
| A69 | Benoni, four pawns attack, main line | 1 games |
| A50 | Queen's pawn game | 1 games |
| A00 | Polish (Sokolsky) opening | 1 games |


Netherlands
Belgium