Jaako Martikainen
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| FIN-ch U18 | ??/??/1998 | 242 | Finland |
| FIN-ch U16 | ??/??/1997 | 249 | Finland |
Most Played Openings as White
| ECO | Opening | Games |
| A25 | English, Sicilian reversed | 2 games |
| B70 | Sicilian, dragon variation | 1 games |
| B33 | Sicilian defence | 1 games |
| C50 | King's pawn game | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C92 | Ruy Lopez, closed, 9.h3 | 1 games |
| D35 | Queen's Gambit Declined, 3...Nf6 | 1 games |
| B12 | Caro-Kann defence | 1 games |
| C56 | Two knights defence | 1 games |


Finland