H. Mattsson
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Gothenburg op | ??/??/1992 | 1076 | Sweden |
Most Played Openings as White
| ECO | Opening | Games |
Most Played Openings as Black
| ECO | Opening | Games |
| E80 | King's Indian, Saemisch variation | 1 games |


Sweden