Marcin Deren
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Warsaw AIG Life rapid | 12/17/2005 | 2255 | Poland |
| Canarias en Red prel 2nd | 05/04/2004 | 936 | Germany |
| Internet Section 15-A | 03/15/2003 | 1992 | Spain |
| Internet Section 14-A | 03/14/2003 | 2117 | Spain |
Most Played Openings as White
| ECO | Opening | Games |
| C47 | Four knights, Scotch variation | 2 games |
| B18 | Caro-Kann, classical variation | 2 games |
| C01 | French, exchange variation | 1 games |
| C41 | Philidor's defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A48 | King's Indian, East Indian defence | 2 games |
| B40 | Sicilian defence | 2 games |
| A00 | Polish (Sokolsky) opening | 1 games |
| A80 | Dutch | 1 games |
Poland
Male
FIDE ID:

Germany
Spain