JK. Mathiassen
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| NOR-chT west | ??/??/1992 | 519 | Norway |
| NOR-chT west | ??/??/1991 | 613 | Norway |
Most Played Openings as White
| ECO | Opening | Games |
Most Played Openings as Black
| ECO | Opening | Games |
| A87 | Dutch, Leningrad, main variation | 2 games |
| A21 | English opening | 1 games |
| B12 | Caro-Kann defence | 1 games |


Norway