Games Between Two Players
O Rissei (0 win; 3 loss) vs. Fukuoka Kotaro
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [2026-06-22] 51st Japanese Kisei, league B1
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| Fukuoka Kotaro 7p | O Rissei 9p | B+R |  |
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| [2026-01-26] 52nd Japanese Tengen, preliminary A
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| O Rissei 9p | Fukuoka Kotaro 7p | W+9.5 | |
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| [2024-10-10] 80th Japanese Honinbo, preliminary A
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| Fukuoka Kotaro 5p | O Rissei 9p | B+R | |
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