R. Werts
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Heerlen op | 11/??/1999 | 306 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| A34 | English, symmetrical variation | 1 games |
| A11 | English, Caro-Kann defensive system | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A33 | English, symmetrical variation | 1 games |
| B46 | Sicilian, Taimanov variation | 1 games |


Netherlands