Marc Backs
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| JBLN Ost 9495 | ??/??/1994 | 450 |  Germany |
| JBLN Ost 9293 | ??/??/1992 | 314 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| B24 | Sicilian, closed | 1 games |
| C50 | King's pawn game | 1 games |
| B26 | Sicilian, closed, 6.Be3 | 1 games |
| E87 | King's Indian, Saemisch, orthodox, 7.d5 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B02 | Alekhine's defence | 1 games |
| B09 | Pirc, Austrian attack | 1 games |
| E60 | King's Indian defence | 1 games |
| E93 | King's Indian, Petrosian system, main line | 1 games |
