Games Between Two Players
Kobayashi Koichi (2 win; 1 loss) vs. Hasegawa Sunao
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [1998-04-02] 24th Japanese Tengen, round 2
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| Kobayashi Koichi 9p | Hasegawa Sunao 9p | B+R |  |
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| [1989-10-26] 28th Japanese Judan, loser section round 2
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| Kobayashi Koichi 9p | Hasegawa Sunao 9p | B+R | |
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| [1988-12-01] 27th Japanese Judan, loser section round 2
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| Hasegawa Sunao 9p | Kobayashi Koichi 9p | B+R | |
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