Games Between Two Players
Yoo Changhyuk (3 win; 1 loss) vs. Kobayashi Koichi
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [2023-11-24] 2023 Longhua Cup, round 1
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| Kobayashi Koichi 9p | Yoo Changhyuk 9p | W+2.5 |  |
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| [2002-04-13] 15th Fujitsu Cup, round 1
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| Kobayashi Koichi 9p | Yoo Changhyuk 9p | W+15.5 | |
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| [1995-07-01] 8th Fujitsu Cup, semi-final
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| Yoo Changhyuk 6p | Kobayashi Koichi 9p | W+6.5 | |
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| [1994-06-03] 7th Fujitsu Cup, round 3
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| Kobayashi Koichi 9p | Yoo Changhyuk 6p | W+R | |
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