M. Blach
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| POL-ch U14 Girls | ??/??/1999 | 95 |  Poland |
| POL-chT U20 Girls | ??/??/1999 | 644 | Poland |
| POL-ch U14 Girls | ??/??/1998 | 50 | Poland |
| Krakow op-B | ??/??/1998 | 72 | Poland |
M. Blach Repertoire with White pieces (most played)
| ECO | Opening | Games |
| B22 | Sicilian, Alapin's variation (2.c3) | 2 games |
| A00 | Polish (Sokolsky) opening | 1 games |
| B92 | Sicilian, Najdorf, Opovcensky variation | 1 games |
| C01 | French, exchange variation | 1 games |
M. Blach Repertoire with Black pieces (most played)
| ECO | Opening | Games |
| C54 | Giuoco Piano | 3 games |
| C48 | Four knights, Spanish variation | 1 games |
| A83 | Dutch, Staunton gambit, Staunton's line | 1 games |
| A81 | Dutch defence | 1 games |
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