Mark Gerken
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Rheinhausen op | 01/07/2005 | 1460 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| B25 | Sicilian, closed | 1 games |
| B07 | Pirc defence | 1 games |
| E94 | King's Indian, orthodox variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D05 | Queen's pawn game | 1 games |
| B40 | Sicilian defence | 1 games |
| A17 | English opening | 1 games |
| C39 | King's Gambit Accepted | 1 games |


Germany