Jaap Beetstra
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| 69th Noteboom Mem GpA | 02/07/2009 | 1751 | Netherlands |
| Groningen SO-ON Mini op | 12/26/2001 | 1890 | Netherlands |
| Groningen SO ON op-B | 12/??/2000 | 45 | Netherlands |
| Groningen ABM op | ??/??/1999 | 286 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| C15 | French, Winawer (Nimzovich) variation | 1 games |
| B50 | Sicilian | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B01 | Scandinavian (centre counter) defence | 1 games |
| C16 | French, Winawer, advance variation | 1 games |
| A52 | Budapest defence | 1 games |
| A46 | Queen's pawn game | 1 games |


Netherlands