J. Lagendijk
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| ACCOM op2 | ??/??/1990 | 0 | Netherlands |
| Alkmaar | ??/??/1989 | 68 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| A53 | Old Indian defence | 1 games |
| D38 | Queen's Gambit Declined, Ragozin variation | 1 games |
| D45 | Queen's Gambit Declined semi-Slav, 5.e3 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B07 | Pirc defence | 2 games |
| B09 | Pirc, Austrian attack | 1 games |
| B08 | Pirc, classical (two knights) system | 1 games |


Netherlands