Games Between Two Players
Kobayashi Koichi (3 win; 0 loss) vs. Haruyama Isamu
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [1986-11-20] 12th Japanese Gosei, round 1
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| Haruyama Isamu 9p | Kobayashi Koichi 9p | W+3.5 |  |
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| [1976-02-05] 20th Japanese Prime Minister's Cup, round 2
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| Haruyama Isamu 7p | Kobayashi Koichi 7p | W+4.5 | |
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| [1975-04-13] 7th Japanese Shinei Tournament, round 1
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| Kobayashi Koichi 7p | Haruyama Isamu 7p | B+R | |
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