Games Between Two Players
O Rissei (1 win; 1 loss) vs. Yamamori Tadanao
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [2017-05-11] 42nd Japanese Kisei, league C
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| O Rissei 9p | Yamamori Tadanao 6p | B+R |  |
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| [2009-04-23] 57th Japanese Oza, round 1
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| Yamamori Tadanao 5p | O Rissei 9p | B+10.5 | |
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