M. Koch
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Uebach op g/45 | ??/??/1996 | 1862 |  Germany |
| Eupen op rapid | ??/??/1995 | 1227 |  Belgium |
| Oberliga NRW 9596 | 10/??/1995 | 521 | Germany |
| NRW-Liga I 9394 | ??/??/1993 | 1215 | Germany |
M. Koch Repertoire with White pieces (most played)
| ECO | Opening | Games |
| C68 | Ruy Lopez, exchange variation | 2 games |
| C02 | French, advance variation | 2 games |
| B22 | Sicilian, Alapin's variation (2.c3) | 2 games |
| D77 | Neo-Gruenfeld, 6.O-O | 1 games |
M. Koch Repertoire with Black pieces (most played)
| ECO | Opening | Games |
| B22 | Sicilian, Alapin's variation (2.c3) | 1 games |
| D89 | Gruenfeld, Spassky variation, main line, 13.Bd3 | 1 games |
| E60 | King's Indian defence | 1 games |
| B84 | Sicilian, Scheveningen (Paulsen), classical variation | 1 games |
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