Games Between Two Players
Rin Kaiho (6 win; 3 loss) vs. Sonoda Yuichi
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [2007-05-13] 55th Japanese NHK Cup, round 1
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| Rin Kaiho 9p | Sonoda Yuichi 9p | W+6.5 |  |
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| [1990-12-20] 16th Japanese Gosei, round 1
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| Sonoda Yuichi 9p | Rin Kaiho 9p | B+R | |
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| [1990-01-28] 37th Japanese NHK Cup, round 3
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| Rin Kaiho 9p | Sonoda Yuichi 9p | B+R | |
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| [1987-10-04] 20th Japanese Hayago Championship, semi-final
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| Sonoda Yuichi 9p | Rin Kaiho 9p | W+7.5 | |
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| [1985-02-10] 17th Japanese Hayago Championship, semi-final
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| Sonoda Yuichi 9p | Rin Kaiho 9p | W+R | |
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| [1984-05-10] 32nd Japanese Oza, round 1
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| Rin Kaiho 9p | Sonoda Yuichi 9p | B+R | |
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| [1983-12-08] 8th Japanese Kisei, challenger decision match #2
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| Sonoda Yuichi 9p | Rin Kaiho 9p | W+R | |
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| [1983-12-01] 8th Japanese Kisei, challenger decision match #1
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| Rin Kaiho 9p | Sonoda Yuichi 9p | B+R | |
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| [1978-05-25] 17th Japanese Judan, winner section round 1
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| Sonoda Yuichi 8p | Rin Kaiho 9p | B+3.5 | |
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