Games Between Two Players
Cho U (1 win; 2 loss) vs. Obuchi Kotaro
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [2023-12-21] 50th Japanese Tengen, preliminary A
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| Obuchi Kotaro 5p | Cho U 9p | B+1.5 |  |
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| [2016-03-28] 42nd Japanese Gosei, preliminary
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| Cho U 9p | Obuchi Kotaro 4p | W+2.5 | |
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| [2011-08-06] 7th Japanese Daiwa-Shoken Cup, round 1
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| Cho U 9p | Obuchi Kotaro 2p | B+R | |
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