Games Between Two Players
Kataoka Satoshi (2 win; 3 loss) vs. Oya Koichi
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [2017-06-22] 66th Japanese Oza, preliminary
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| Oya Koichi 9p | Kataoka Satoshi 9p | W+5.5 |  |
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| [2006-01-12] 19th Fujitsu Cup, Japanese preliminary
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| Kataoka Satoshi 9p | Oya Koichi 9p | B+8.5 | |
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| [2002-12-09] 12th Japanese Ryusei, group stage
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| Oya Koichi 9p | Kataoka Satoshi 9p | B+R | |
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| [2000-07-13] 56th Japanese Honinbo, preliminary
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| Oya Koichi 8p | Kataoka Satoshi 9p | B+2.5 | |
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| [1994-01-27] 19th Japanese Gosei, round 1
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| Kataoka Satoshi 9p | Oya Koichi 7p | W+4.5 | |
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