Matthias Kostka
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Wuerttemberg-ch U12 | 04/06/1999 | 0 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| C40 | King's knight opening | 1 games |
| C50 | King's pawn game | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C47 | Four knights, Scotch variation | 1 games |
| A22 | English opening | 1 games |
| C41 | Philidor's defence | 1 games |
| A25 | English, Sicilian reversed | 1 games |


Germany