Wim Van Os
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Groene Hart GrB | 05/01/2001 | 78 |  Netherlands |
| Oberliga Wuert 9394 | 10/??/1993 | 815 |  Germany |
| Stuttgart-ch | ??/??/1993 | 268 | Germany |
Wim Van Os Repertoire with White pieces (most played)
| ECO | Opening | Games |
| D35 | Queen's Gambit Declined, 3...Nf6 | 1 games |
| D15 | Queen's Gambit Declined Slav, 4.Nc3 | 1 games |
| D85 | Gruenfeld, exchange variation | 1 games |
| D09 | Queen's Gambit Declined, Albin counter-gambit, 5.g3 | 1 games |
Wim Van Os Repertoire with Black pieces (most played)
| ECO | Opening | Games |
| E70 | King's Indian, 4.e4 | 1 games |
| E88 | King's Indian, Saemisch, orthodox, 7.d5 c6 | 1 games |
| E74 | King's Indian, Averbakh, 6...c5 | 1 games |
| B06 | Robatsch (modern) defence | 1 games |
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