Male
FIDE ID:
Horst Koeller
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Stuttgart-chA | ??/??/2004 | 2029 |  Germany |
| Neckar op-B 3rd | 04/??/1999 | 105 | Germany |
| Stuttgart-ch | ??/??/1998 | 626 | Germany |
| Neckar op 2nd | 04/05/1998 | 840 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| D10 | Queen's Gambit Declined Slav defence | 1 games |
| D52 | Queen's Gambit Declined | 1 games |
| C01 | French, exchange variation | 1 games |
| B21 | Sicilian, Grand Prix attack | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B32 | Sicilian defence | 1 games |
| C40 | King's knight opening | 1 games |
| C13 | French, classical | 1 games |
| A44 | Old Benoni defence | 1 games |
