Mario Demur
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Hamburg-ch | ??/??/1992 | 1870 |  Germany |
Most Played Openings as White
| ECO | Opening | Games |
| C78 | Ruy Lopez, 5.O-O | 1 games |
| A39 | English, symmetrical, main line with d4 | 1 games |
| D44 | Queen's Gambit Declined semi-Slav, 5.Bg5 dc | 1 games |
| A34 | English, symmetrical variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D25 | Queen's Gambit Accepted, 4.e3 | 1 games |
| A34 | English, symmetrical variation | 1 games |
| A00 | Polish (Sokolsky) opening | 1 games |
| B01 | Scandinavian (centre counter) defence | 1 games |
