Games Between Two Players
Kobayashi Koichi (2 win; 1 loss) vs. Takanashi Seiken
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [2020-10-22] 47th Japanese Tengen, preliminary
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| Kobayashi Koichi 9p | Takanashi Seiken 9p | B+2.5 |  |
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| [2019-10-10] 76th Japanese Honinbo, preliminary
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| Takanashi Seiken 9p | Kobayashi Koichi 9p | B+R | |
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| [2012-03-08] 68th Japanese Honinbo, preliminary
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| Kobayashi Koichi 9p | Takanashi Seiken 8p | B+2.5 | |
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