Horst Osten
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Bahn-chH | 09/24/2000 | 1531 | Germany |
| Gemuend op Sen1 | 10/24/1999 | 1579 | Germany |
| Bahn-chS | 10/25/1998 | 1647 | Germany |
| Bahn-chH | 11/10/1996 | 971 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| E61 | King's Indian defence, 3.Nc3 | 4 games |
| D32 | Queen's Gambit Declined, Tarrasch defence | 2 games |
| D35 | Queen's Gambit Declined, 3...Nf6 | 2 games |
| D55 | Queen's Gambit Declined, 6.Nf3 | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D20 | Queen's gambit accepted | 3 games |
| B54 | Sicilian | 2 games |
| D21 | Queen's Gambit Accepted, 3.Nf3 | 2 games |
| A30 | English, symmetrical variation | 2 games |
Germany
Male
FIDE ID:

