Games Between Two Players
Kobayashi Koichi (6 win; 6 loss) vs. Cho Hunhyun
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [2024-06-12] 5th Sinan International Veteran's Tournament, round 1
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| Kobayashi Koichi 9p | Cho Hunhyun 9p | B+R |  |
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| [2021-09-14] Huludao Culture Festival China-Japan-Korean Weiqi Match, round 3
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| Cho Hunhyun 9p | Kobayashi Koichi 9p | W+4.5 | |
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| [2021-01-22] 22nd Nongshim Cup Special Tournament
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| Kobayashi Koichi 9p | Cho Hunhyun 9p | W+1.5 | |
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| [2005-02-05] 1st Igo Internet World Championship, semi-final
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| Kobayashi Koichi 9p | Cho Hunhyun 9p | B+R | |
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| [2002-03-19] 1st Toyota Cup, round 1
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| Cho Hunhyun 9p | Kobayashi Koichi 9p | B+R | |
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| [2001-06-02] 14th Fujitsu Cup, round 3
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| Cho Hunhyun 9p | Kobayashi Koichi 9p | B+R | |
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| [1996-04-08] 9th Fujitsu Cup, round 2
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| Kobayashi Koichi 9p | Cho Hunhyun 9p | B+6.5 | |
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| [1993-06-05] 6th Fujitsu Cup, round 3
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| Kobayashi Koichi 9p | Cho Hunhyun 9p | W+5.5 | |
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| [1990-08-04] 3rd Fujitsu Cup, 3,4 place decision
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| Kobayashi Koichi 9p | Cho Hunhyun 9p | B+R | |
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| [1989-04-03] 2nd Fujitsu Cup, round 2
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| Cho Hunhyun 9p | Kobayashi Koichi 9p | B+7.5 | |
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| [1988-08-23] 1st Ing Cup, round 2
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| Cho Hunhyun 9p | Kobayashi Koichi 9p | B+1 | |
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| [1988-04-02] 1st Fujitsu Cup, round 1
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| Kobayashi Koichi 9p | Cho Hunhyun 9p | B+5.5 | |
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