Games Between Two Players
O Rissei (0 win; 3 loss) vs. Mitani Tetsuya
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [2023-10-23] 62nd Japanese Judan, last preliminary
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| Mitani Tetsuya 8p | O Rissei 9p | B+R |  |
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| [2018-10-18] 67th Japanese Oza, preliminary
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| O Rissei 9p | Mitani Tetsuya 7p | W+R | |
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| [2011-05-19] 37th Japanese Meijin, preliminary
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| O Rissei 9p | Mitani Tetsuya 7p | W+R | |
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