Jelle Zijlstra
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Twente Young Master op-B | 08/06/2007 | 1679 | Netherlands |
| Haarlem Nova College op | 07/07/2006 | 1969 | Netherlands |
| Hengelo U14 op | 08/??/2005 | 1394 | Netherlands |
| Hengelo U12 op | 08/??/2004 | 0 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| B76 | Sicilian, dragon, Yugoslav attack, 7...O-O | 3 games |
| C18 | French, Winawer, advance variation | 2 games |
| C53 | Giuoco Piano | 2 games |
| C42 | Petrov's defence | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C54 | Giuoco Piano | 2 games |
| B76 | Sicilian, dragon, Yugoslav attack, 7...O-O | 2 games |
| E61 | King's Indian defence, 3.Nc3 | 2 games |
| A00 | Polish (Sokolsky) opening | 1 games |


Netherlands