Jan W Den Besten
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| NATO-ch 17th | 08/21/2006 | 1444 | United Kingdom |
| NATO-ch 16th | 08/21/2005 | 1030 | Poland |
| Groningen op-B | 12/21/2004 | 219 | Netherlands |
| Zwolle Windesheim op-B | 03/19/2004 | 64 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| B07 | Pirc defence | 3 games |
| B33 | Sicilian defence | 2 games |
| C44 | King's pawn game | 2 games |
| A05 | Reti opening | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B07 | Pirc defence | 7 games |
| B33 | Sicilian defence | 3 games |
| C41 | Philidor's defence | 2 games |
| D00 | Queen's pawn game | 1 games |


United Kingdom
Poland
Netherlands