Games Between Two Players
Kobayashi Koichi (4 win; 1 loss) vs. Seo Bongsoo
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [2019-06-11] 1st Sinan International Veteran's Tournament, team tournament round 2
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| Kobayashi Koichi 9p | Seo Bongsoo 9p | B+0.5 |  |
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| [2017-10-08] Year 2017 Zhangshu Cup
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| Seo Bongsoo 9p | Kobayashi Koichi 9p | B+R | |
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| [1997-04-14] 10th Fujitsu Cup, round 2
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| Kobayashi Koichi 9p | Seo Bongsoo 9p | B+R | |
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| [1993-04-05] 6th Fujitsu Cup, round 2
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| Kobayashi Koichi 9p | Seo Bongsoo 9p | B+1.5 | |
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| [1991-06-01] 4th Fujitsu Cup, round 3
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| Seo Bongsoo 9p | Kobayashi Koichi 9p | W+R | |
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