Koskinen
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| FIN-ch | ??/??/1980 | 1084 | Finland |
Most Played Openings as White
| ECO | Opening | Games |
| B51 | Sicilian, Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack | 1 games |
| B25 | Sicilian, closed | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A16 | English opening | 1 games |
| A34 | English, symmetrical variation | 1 games |


Finland