Games played by Leo Flatau
| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournament | View |
| Schoenhage, A | Flatau, L | 0-1  |
1955 | OWL-ch qual II |
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| Wesselowski, L | Flatau, L | 0-1 |
1955 | OWL-ch qual II |
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| Conen, F | Flatau, L | 1-0 |
1955 | OWL-ch fin |
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| Illgen, H | Flatau, L | 1-0 |
1954 | OWL-ch |
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| Kleinhans, G | Flatau, L | 1-0 |
33 | D31 | 1954 | OWL-ch |
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| Groenegress, W | Flatau, L | 1-0 |
36 | D48 | 1954 | OWL-ch |
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| Stephan, W | Flatau, L | 1-0 |
1954 | OWL-ch |
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| Flatau, L | Juehe, H | 1-0 |
41 | D00 | 1954 | OWL-ch |
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| Juergens, N | Flatau, L | 1-0 |
1954 | OWL-ch |
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| Flatau, L | Steinmeier, | 0-1 |
1954 | OWL-ch |
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| Flatau, L | Meyer, H | 1-0 |
35 | E94 | 1954 | OWL-ch |
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| Flatau, L | Hoffmann, B | 0-1 |
1954 | OWL-ch |
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| Doerrenbach, K | Flatau, L | ½-½ |
1954 | OWL-ch |
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| Flatau, L | Hecker, E | ½-½ |
53 | D85 | 1954 | OWL-ch |
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