Games Between Two Players
Otake Hideo (3 win; 0 loss) vs. Koyama Ryugo
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [2017-02-09] 42nd Japanese Kisei, preliminary
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| Koyama Ryugo 6p | Otake Hideo 9p | W+R |  |
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| [2015-12-17] 42nd Japanese Gosei, preliminary
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| Otake Hideo 9p | Koyama Ryugo 6p | B+8.5 | |
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| [2012-10-04] 52nd Japanese Judan, preliminary
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| Koyama Ryugo 6p | Otake Hideo 9p | W+R | |
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