Games Between Two Players
Sonoda Yuichi (1 win; 2 loss) vs. Cao Dayuan
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [1987-05-24] Year 1987 China-Japan Go Exchange, round 3
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| Cao Dayuan 9p | Sonoda Yuichi 9p | B+3.5 |  |
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| [1987-05-22] Year 1987 China-Japan Go Exchange, round 2
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| Sonoda Yuichi 9p | Cao Dayuan 9p | B+R | |
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| [1987-05-20] Year 1987 China-Japan Go Exchange, round 1
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| Cao Dayuan 9p | Sonoda Yuichi 9p | B+3.5 | |
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