Vaclav Jonas
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Klatovy op-A | 06/30/2007 | 1781 | Czech Republic |
| CZE-ch Juniors op-A | 03/10/2007 | 1928 | Czech Republic |
| Plzen op-B 10th | 08/??/2004 | 510 | Czech Republic |
| Klatovy op-B | 07/??/2004 | 1037 | Czech Republic |
Most Played Openings as White
| ECO | Opening | Games |
| C44 | King's pawn game | 6 games |
| B22 | Sicilian, Alapin's variation (2.c3) | 3 games |
| B21 | Sicilian, Grand Prix attack | 3 games |
| C56 | Two knights defence | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C63 | Ruy Lopez, Schliemann defence | 3 games |
| B34 | Sicilian, accelerated fianchetto, exchange variation | 2 games |
| A03 | Bird's opening | 2 games |
| C45 | Scotch game | 1 games |
Czech Republic
Male
FIDE ID:

