Jana Prehradna
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| CZE-ch U18 Girls | ??/??/2004 | 112 |  Czech Republic |
Most Played Openings as White
| ECO | Opening | Games |
| C48 | Four knights, Spanish variation | 1 games |
| C55 | Two knights defence | 1 games |
| B23 | Sicilian, closed | 1 games |
| C50 | King's pawn game | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C64 | Ruy Lopez, classical (Cordel) defence | 1 games |
| D02 | Queen's pawn game | 1 games |
| C62 | Ruy Lopez, old Steinitz defence | 1 games |
| C45 | Scotch game | 1 games |
