L. Yap Tjoen San
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Hengelo op-B | ??/??/1992 | 0 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
Most Played Openings as Black
| ECO | Opening | Games |
| C18 | French, Winawer, advance variation | 1 games |


Netherlands