J. Zdenek
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Prague Cedok op | ??/??/1996 | 850 |  Czech Republic |
Most Played Openings as White
| ECO | Opening | Games |
| C56 | Two knights defence | 1 games |
| B40 | Sicilian defence | 1 games |
| C05 | French, Tarrasch, closed variation | 1 games |
| B22 | Sicilian, Alapin's variation (2.c3) | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A03 | Bird's opening | 1 games |
| D35 | Queen's Gambit Declined, 3...Nf6 | 1 games |
| D08 | Queen's Gambit Declined, Albin counter-gambit | 1 games |
| A28 | English, four knights system | 1 games |
