Jaap Van Oosten
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Utrecht OKU op | 06/10/2005 | 631 | Netherlands |
| Utrecht OKU I op | 05/??/2001 | 708 | Netherlands |
| Utrecht OKU I op | 05/??/2000 | 739 | Netherlands |
| Keres mem op | ??/??/1999 | 902 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| B86 | Sicilian, Sozin attack | 2 games |
| C89 | Ruy Lopez, Marshall counter-attack | 2 games |
| B01 | Scandinavian (centre counter) defence | 1 games |
| C06 | French, Tarrasch, closed variation, main line | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C45 | Scotch game | 2 games |
| C36 | King's Gambit Accepted, Abbazia defence (classical defence, modern defence[!]) | 2 games |
| C59 | Two knights defence | 1 games |
| C29 | Vienna gambit | 1 games |
Netherlands
Male
FIDE ID:

