Matthias Breitfeld
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Aeskulap op 16th | 03/31/1999 | 466 |  Germany |
| Leipzig VfB op 5th | 03/??/1998 | 686 | Germany |
| GER-chT U20 | ??/??/1997 | 463 | Germany |
| DLM | 10/??/1997 | 860 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| E68 | King's Indian, fianchetto, classical variation, 8.e4 | 3 games |
| E12 | Queen's Indian defence | 3 games |
| D36 | Queen's Gambit Declined, exchange, positional line, 6.Qc2 | 3 games |
| D35 | Queen's Gambit Declined, 3...Nf6 | 3 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A48 | King's Indian, East Indian defence | 2 games |
| E97 | King's Indian, orthodox, Aronin-Taimanov variation (Yugoslav attack / Mar del Plata variation) | 2 games |
| E60 | King's Indian defence | 2 games |
| E87 | King's Indian, Saemisch, orthodox, 7.d5 | 2 games |
