Games Between Two Players
O Rissei (4 win; 0 loss) vs. Iguchi Toyohide
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [2020-03-05] 46th Japanese Meijin, preliminary
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| Iguchi Toyohide 8p | O Rissei 9p | W+R |  |
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| [2019-04-25] 58th Japanese Judan, preliminary
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| Iguchi Toyohide 8p | O Rissei 9p | W+R | |
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| [2012-02-16] 38th Japanese Meijin, preliminary
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| O Rissei 9p | Iguchi Toyohide 7p | B+0.5 | |
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| [2008-02-14] 64th Japanese Honinbo, preliminary
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| O Rissei 9p | Iguchi Toyohide 7p | B+R | |
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