Games Between Two Players
O Rissei (2 win; 0 loss) vs. Sonoda Yasutaka
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [2015-06-04] 41st Japanese Meijin, preliminary
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| Sonoda Yasutaka 9p | O Rissei 9p | W+R |  |
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| [2006-08-17] 32nd Japanese Gosei, preliminary
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| O Rissei 9p | Sonoda Yasutaka 9p | B+R | |
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