Games Between Two Players
O Rissei (5 win; 1 loss) vs. Imamura Yoshiaki
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [2022-04-21] 31st Japanese Ryusei, group E
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| Imamura Yoshiaki 9p | O Rissei 9p | W+R |  |
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| [2015-04-09] 24th Japanese Ryusei, group stage
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| Imamura Yoshiaki 9p | O Rissei 9p | W+3.5 | |
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| [2007-09-15] 3rd Japanese Daiwa-Shoken Cup, round 1
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| Imamura Yoshiaki 9p | O Rissei 9p | W+5.5 | |
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| [2004-10-07] 29th Japanese Kisei, league B
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| O Rissei 9p | Imamura Yoshiaki 8p | B+R | |
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| [2003-07-17] 28th Japanese Kisei, league A
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| Imamura Yoshiaki 8p | O Rissei 9p | B+0.5 | |
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| [1999-12-06] 25th Japanese Meijin, league
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| O Rissei 9p | Imamura Yoshiaki 8p | B+4.5 | |
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