Games Between Two Players
Kobayashi Koichi (0 win; 4 loss) vs. Onishi Ryuhei
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [2017-02-06] 4th Championship of Tournament Winners, round 1
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| Kobayashi Koichi 9p | Onishi Ryuhei 2p | W+6.5 |  |
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| [2016-11-03] 56th Japanese Judan, preliminary
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| Kobayashi Koichi 9p | Onishi Ryuhei 2p | W+R | |
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| [2016-09-15] 43rd Japanese Tengen, preliminary
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| Onishi Ryuhei 2p | Kobayashi Koichi 9p | B+0.5 | |
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| [2016-01-07] 41st Japanese Kisei, preliminary
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| Onishi Ryuhei 1p | Kobayashi Koichi 9p | B+6.5 | |
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