Willem Wolthuis
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| The Hague AEGON | 04/??/1991 | 689 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| A32 | English, symmetrical variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |


Netherlands