J. Klimaszewski
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Lasker mem op-B | ??/??/2001 | 745 | Poland |
Most Played Openings as White
| ECO | Opening | Games |
| B97 | Sicilian, Najdorf, 7...Qb6 | 1 games |
| B29 | Sicilian, Nimzovich-Rubinstein variation | 1 games |
| B99 | Sicilian, Najdorf, 7...Be7 main line | 1 games |
| C06 | French, Tarrasch, closed variation, main line | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B08 | Pirc, classical (two knights) system | 2 games |
| E73 | King's Indian, 5.Be2 | 1 games |
| B07 | Pirc defence | 1 games |
| E80 | King's Indian, Saemisch variation | 1 games |


Poland