Pertti Jaatinen
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Heart of Finland op | ??/??/1996 | 1243 | Finland |
| Jamsa op | ??/??/1996 | 943 | Finland |
| Valkeakoski sim | ??/??/1996 | 633 | Finland |
| Laukaa op | ??/??/1996 | 810 | Finland |
Most Played Openings as White
| ECO | Opening | Games |
| D02 | Queen's pawn game | 7 games |
| A48 | King's Indian, East Indian defence | 2 games |
| A46 | Queen's pawn game | 1 games |
| A47 | Queen's Indian defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B12 | Caro-Kann defence | 2 games |
| B14 | Caro-Kann, Panov-Botvinnik attack, 5...e6 | 2 games |
| C63 | Ruy Lopez, Schliemann defence | 2 games |
| D11 | Queen's Gambit Declined Slav, 3.Nf3 | 1 games |


Finland