Games Between Two Players
Kobayashi Koichi (5 win; 3 loss) vs. Ishigure Ikuro
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [2024-03-11] 3rd Japanese Teikei Cup Legend Tournament, round 2
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| Kobayashi Koichi 9p | Ishigure Ikuro 9p | W+6.5 |  |
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| [2021-02-18] 60th Japanese Judan, preliminary
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| Ishigure Ikuro 9p | Kobayashi Koichi 9p | B+1.5 | |
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| [2020-01-23] 45th Japanese Kisei, preliminary
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| Kobayashi Koichi 9p | Ishigure Ikuro 9p | B+R | |
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| [2010-05-13] 36th Japanese Meijin, preliminary
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| Kobayashi Koichi 9p | Ishigure Ikuro 9p | B+5.5 | |
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| [1995-11-16] 21st Japanese Gosei, round 1
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| Ishigure Ikuro 9p | Kobayashi Koichi 9p | W+R | |
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| [1991-05-16] 17th Japanese Tengen, round 2
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| Ishigure Ikuro 9p | Kobayashi Koichi 9p | B+R | |
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| [1981-10-08] 6th Japanese Kisei, round 1
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| Ishigure Ikuro 8p | Kobayashi Koichi 9p | W+R | |
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| [1981-09-03] 6th Japanese Kisei
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| Ishigure Ikuro 8p | Kobayashi Koichi 9p | W+R | |
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