Games Between Two Players
O Rissei (1 win; 3 loss) vs. Ida Atsushi
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [2021-04-15] 69th Japanese Oza, preliminary
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| Ida Atsushi 8p | O Rissei 9p | B+3.5 |  |
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| [2018-08-02] 74th Japanese Honinbo, preliminary
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| Ida Atsushi 8p | O Rissei 9p | W+1.5 | |
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| [2017-05-18] 65th Japanese Oza, round 1
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| O Rissei 9p | Ida Atsushi 8p | W+0.5 | |
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| [2016-06-09] 41st Japanese Kisei, league B1
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| O Rissei 9p | Ida Atsushi 8p | W+R | |
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