Jan Hendrik Rolf
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Ruhrgebiet VL1 0405 | 09/12/2004 | 1913 | Germany |
| Ruhrgebiet playoff 0304 | 05/16/2004 | 1883 | Germany |
| Ruhrgebiet VK3 0304 | 09/28/2003 | 1809 | Germany |
| Ruhrgebiet VK2 9899 | ??/??/1998 | 763 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| C24 | Bishop's opening, Berlin defence | 5 games |
| B01 | Scandinavian (centre counter) defence | 2 games |
| B07 | Pirc defence | 2 games |
| B73 | Sicilian, dragon, classical, 8.O-O | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D06 | Queen's Gambit | 2 games |
| C00 | French defence | 2 games |
| C01 | French, exchange variation | 2 games |
| C05 | French, Tarrasch, closed variation | 1 games |


Germany