J. Muller
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Plzen op-D U18 | 08/??/1998 | 1346 | Czech Republic |
Most Played Openings as White
| ECO | Opening | Games |
| E12 | Queen's Indian defence | 1 games |
| A85 | Dutch with c4 & Nc3 | 1 games |
| E61 | King's Indian defence, 3.Nc3 | 1 games |
| A54 | Old Indian, Ukrainian variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C13 | French, classical | 1 games |
| C00 | French defence | 1 games |
| B00 | King's pawn opening | 1 games |
| D37 | Queen's Gambit Declined, 4.Nf3 | 1 games |


Czech Republic