J. Bollek
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Caorle op | ??/??/1981 | 2134 |  Italy |
Most Played Openings as White
| ECO | Opening | Games |
| B52 | Sicilian, Canal-Sokolsky attack, 3...Bd7 | 1 games |
| C47 | Four knights, Scotch variation | 1 games |
| B15 | Caro-Kann defence | 1 games |
| B83 | Sicilian, Scheveningen, 6.Be2 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A28 | English, four knights system | 1 games |
| D02 | Queen's pawn game | 1 games |
| B24 | Sicilian, closed | 1 games |
| B45 | Sicilian, Taimanov variation | 1 games |
