Jan Ondracek
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| CZE-ch U12 | ??/??/2001 | 223 | Czech Republic |
| CZE-ch U12 | ??/??/2000 | 0 | Czech Republic |
| CZE-ch U10 | ??/??/1999 | 118 | Czech Republic |
| Svetla nad Sazavou op-B | 10/??/1998 | 53 | Czech Republic |
Most Played Openings as White
| ECO | Opening | Games |
| B22 | Sicilian, Alapin's variation (2.c3) | 5 games |
| C45 | Scotch game | 5 games |
| B14 | Caro-Kann, Panov-Botvinnik attack, 5...e6 | 2 games |
| C47 | Four knights, Scotch variation | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C24 | Bishop's opening, Berlin defence | 3 games |
| C63 | Ruy Lopez, Schliemann defence | 3 games |
| C28 | Vienna game | 2 games |
| C31 | King's Gambit Declined, Falkbeer counter-gambit | 2 games |


Czech Republic