Games played by Horst Osten
| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournament | View |
| Gafke, M | Osten, H | 0-1  |
28 | D21 | 1993 | Bahn-chG |
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| Heller, H | Osten, H | ½-½ |
40 | D30 | 1993 | Bahn-chG |
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| Osten, H | Pohl, M | ½-½ |
26 | D60 | 1993 | Bahn-chG |
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| Osten, H | Fobbe, O | ½-½ |
30 | E14 | 1993 | Bahn-chG |
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| Osten, H | Schubert, G | 0-1 |
38 | D13 | 1993 | Bahn-chG |
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| Lawniczak, K | Osten, H | ½-½ |
28 | D32 | 1992 | Bahn-chG |
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| Spie, J | Osten, H | 1-0 |
35 | A36 | 1992 | Bahn-chG |
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| Osten, H | Strenger, H | 1-0 |
60 | D55 | 1992 | Bahn-chG |
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| Osten, H | Cremerius, A | ½-½ |
19 | E90 | 1992 | Bahn-chG |
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| Osten, H | Nispel, U | 0-1 |
33 | E61 | 1992 | Bahn-chG |
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| Osten, H | Wallhoefer, U | 0-1 |
45 | D94 | 1992 | Bahn-chG |
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| Stinn, H | Osten, H | ½-½ |
40 | D20 | 1992 | Bahn-chG |
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