Games Between Two Players
O Rissei (4 win; 2 loss) vs. Sakata Eio
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [1990-09-13] 29th Japanese Judan, loser section round 2
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| O Rissei 9p | Sakata Eio 9p | B+6.5 |  |
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| [1990-04-09] 3rd Fujitsu Cup, round 2
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| O Rissei 9p | Sakata Eio 9p | B+6.5 | |
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| [1988-02-28] 35th Japanese NHK Cup, round 4
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| Sakata Eio 9p | O Rissei 8p | W+T | |
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| [1987-02-26] 42nd Japanese Honinbo, league
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| Sakata Eio 9p | O Rissei 8p | B+0.5 | |
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| [1983-07-21] 39th Japanese Honinbo, preliminary
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| Sakata Eio 9p | O Rissei 7p | B+R | |
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| [1980-02-13] 6th Japanese Tengen, preliminary
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| Sakata Eio 9p | O Rissei 5p | W+6.5 | |
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