J. Valstar
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Utrecht OKU op | 06/10/2005 | 631 |  Netherlands |
| Gent op 21st | ??/??/1998 | 915 |  Belgium |
| Gent op 20th | ??/??/1997 | 1420 | Belgium |
Most Played Openings as White
| ECO | Opening | Games |
| B84 | Sicilian, Scheveningen (Paulsen), classical variation | 1 games |
| B01 | Scandinavian (centre counter) defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B23 | Sicilian, closed | 1 games |
| D43 | Queen's Gambit Declined semi-Slav | 1 games |
| C14 | French, classical variation | 1 games |
