J. Zachariassen
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Copenhagen op2 | 06/??/1994 | 1194 | Denmark |
| Copenhagen op2 | ??/??/1993 | 750 | Denmark |
Most Played Openings as White
| ECO | Opening | Games |
| A01 | Nimzovich-Larsen attack | 3 games |
| A03 | Bird's opening | 3 games |
| A21 | English opening | 1 games |
| A02 | Bird's opening | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| E80 | King's Indian, Saemisch variation | 1 games |
| B32 | Sicilian defence | 1 games |
| E90 | King's Indian, 5.Nf3 | 1 games |
| B06 | Robatsch (modern) defence | 1 games |


Denmark