Jan Gremmer
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| GER-ch U12 | 06/??/2004 | 1428 | Germany |
| GER-chT U12 | 12/27/2001 | 1233 | Germany |
| GER-ch U10 | 06/03/2000 | 0 | Germany |
| GER-ch U10 | ??/??/1999 | 17 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| C50 | King's pawn game | 7 games |
| C54 | Giuoco Piano | 2 games |
| B29 | Sicilian, Nimzovich-Rubinstein variation | 2 games |
| C02 | French, advance variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C54 | Giuoco Piano | 4 games |
| C50 | King's pawn game | 4 games |
| C55 | Two knights defence | 3 games |
| D53 | Queen's Gambit Declined, 4.Bg5 Be7 | 1 games |


Germany