Games Between Two Players
Yoda Norimoto (4 win; 3 loss) vs. Oya Koichi
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [2025-01-30] 51st Japanese Gosei, preliminary C
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| Oya Koichi 9p | Yoda Norimoto 9p | W+R |  |
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| [2020-12-21] 77th Japanese Honinbo, preliminary
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| Oya Koichi 9p | Yoda Norimoto 9p | B+8.5 | |
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| [2012-01-12] 21st Japanese Ryusei, group stage
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| Yoda Norimoto 9p | Oya Koichi 9p | B+R | |
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| [2008-11-27] 48th Japanese Judan, preliminary
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| Yoda Norimoto 9p | Oya Koichi 9p | W+0.5 | |
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| [2006-05-29] 15th Japanese Ryusei, round 2
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| Oya Koichi 9p | Yoda Norimoto 9p | B+0.5 | |
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| [1991-06-20] 30th Japanese Judan, winner section round 1
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| Oya Koichi 7p | Yoda Norimoto 8p | W+R | |
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| [1986-08-17] 17th Japanese Shinei Tournament, final
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| Oya Koichi 5p | Yoda Norimoto 6p | W+R | |
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