Hans Juergen Koch
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Oberliga Sued W 0506 | 10/23/2005 | 2000 | Germany |
| Nancy-B | 02/20/2006 | 2222 | France |
| EUCup 20th | 10/03/2004 | 2235 | Turkey |
| Vlissingen HZ op 8th | 08/07/2004 | 1285 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| A26 | English, closed system | 17 games |
| A22 | English opening | 5 games |
| A14 | English, Neo-Catalan declined | 4 games |
| A34 | English, symmetrical variation | 4 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A43 | Old Benoni defence | 11 games |
| B22 | Sicilian, Alapin's variation (2.c3) | 10 games |
| C10 | French, Paulsen variation | 6 games |
| B38 | Sicilian, accelerated fianchetto, Maroczy bind, 6.Be3 | 5 games |
Germany
Male
FIDE ID:

France
Turkey
Netherlands