M. Jaszcz
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| POL-ch U18 Girls | ??/??/1998 | 491 |  Poland |
Most Played Openings as White
| ECO | Opening | Games |
| C79 | Ruy Lopez, Steinitz defence deferred (Russian defence) | 1 games |
| C90 | Ruy Lopez, closed (with ...d6) | 1 games |
| C78 | Ruy Lopez, 5.O-O | 1 games |
| C76 | Ruy Lopez, modern Steinitz defence, fianchetto (Bronstein) variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C54 | Giuoco Piano | 1 games |
| A25 | English, Sicilian reversed | 1 games |
| C52 | Evans gambit | 1 games |
| C78 | Ruy Lopez, 5.O-O | 1 games |
