CDW. Jansen
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Vlissingen HZ op 2nd | 07/??/1998 | 685 |  Netherlands |
| Vlissingen op | ??/??/1995 | 649 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| D13 | Queen's Gambit Declined Slav, exchange variation | 1 games |
| D52 | Queen's Gambit Declined | 1 games |
| D75 | Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.Nc3 | 1 games |
| A90 | Dutch defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| E43 | Nimzo-Indian, Fischer variation | 1 games |
| D02 | Queen's pawn game | 1 games |
| A34 | English, symmetrical variation | 1 games |
| C01 | French, exchange variation | 1 games |
