Games Between Two Players
Kobayashi Koichi (3 win; 0 loss) vs. Oyama Kunio
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [1995-06-22] 21st Japanese Tengen, round 2
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| Kobayashi Koichi 9p | Oyama Kunio 9p | B+R |  |
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| [1990-06-28] 29th Japanese Judan, loser section round 1
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| Oyama Kunio 9p | Kobayashi Koichi 9p | W+R | |
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| [1983-11-27] 31st Japanese NHK Cup, round 2
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| Oyama Kunio 9p | Kobayashi Koichi 9p | W+R | |
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