Jan Willem Wisgerhof
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| NED-ch U14 op | 08/07/2000 | 0 | Netherlands |
| NED U14 op | ??/??/1999 | 0 | Netherlands |
| Hengelo U12 op | ??/??/1998 | 0 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| C46 | Three knights game | 2 games |
| C18 | French, Winawer, advance variation | 1 games |
| C48 | Four knights, Spanish variation | 1 games |
| C55 | Two knights defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C55 | Two knights defence | 2 games |
| C30 | King's gambit | 1 games |
| C87 | Ruy Lopez, closed, Averbach variation | 1 games |
| C63 | Ruy Lopez, Schliemann defence | 1 games |


Netherlands