Games Between Two Players
Kobayashi Koichi (2 win; 0 loss) vs. Hoshino Masaki
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [2010-10-21] 36th Japanese Kisei, preliminary
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| Hoshino Masaki 8p | Kobayashi Koichi 9p | W+R |  |
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| [2009-11-12] 58th Japanese Oza, preliminary
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| Hoshino Masaki 8p | Kobayashi Koichi 9p | W+2.5 | |
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