Jan Vorenkamp
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Groningen op | 04/13/2007 | 869 | Netherlands |
| Leeuwarden op | ??/??/2004 | 305 | Netherlands |
| Groningen op-B | 12/21/2004 | 219 | Netherlands |
| Hoogeveen Essent Amateur | 10/15/2004 | 229 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| C88 | Ruy Lopez, closed | 1 games |
| B53 | Sicilian, Chekhover variation | 1 games |
| B02 | Alekhine's defence | 1 games |
| C14 | French, classical variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A39 | English, symmetrical, main line with d4 | 1 games |
| B76 | Sicilian, dragon, Yugoslav attack, 7...O-O | 1 games |
| B22 | Sicilian, Alapin's variation (2.c3) | 1 games |


Netherlands