Games Between Two Players
Ryu Shikun (2 win; 0 loss) vs. Koyama Hideo
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [2008-05-08] 48th Japanese Judan, preliminary
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| Ryu Shikun 9p | Koyama Hideo 5p | B+R |  |
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| [1992-08-24] 3rd Japanese Ryusei, group stage
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| Koyama Hideo 5p | Ryu Shikun 5p | W+R | |
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