Games Between Two Players
Yoo Changhyuk (1 win; 3 loss) vs. Weon Seongjin
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [2008-02-29] 13th Korean GS Caltex Cup, league
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| Yoo Changhyuk 9p | Weon Seongjin 9p | W+R |  |
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| [2006-09-12] Year 2006 Korean League
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| Weon Seongjin 7p | Yoo Changhyuk 9p | B+R | |
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| [2004-11-08] 48th Korean Kuksu, loser section semi-final
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| Yoo Changhyuk 9p | Weon Seongjin 6p | B+R | |
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| [2000-01-26] 34th Korean Wangwi, league
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| Yoo Changhyuk 9p | Weon Seongjin 2p | W+R | |
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