Marcel Jackwerth
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Schleswig Holstein-ch U16 VM | 03/??/2003 | 759 | Germany |
| Schleswig Holstein-ch U16 q | 04/??/2002 | 955 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| B01 | Scandinavian (centre counter) defence | 2 games |
| C50 | King's pawn game | 2 games |
| B20 | Sicilian defence | 1 games |
| C47 | Four knights, Scotch variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C50 | King's pawn game | 3 games |
| C68 | Ruy Lopez, exchange variation | 1 games |
| C56 | Two knights defence | 1 games |
| A34 | English, symmetrical variation | 1 games |


Germany