Games Between Two Players
Ishida Yoshio (1 win; 1 loss) vs. Koyama Terumi
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [2021-04-08] 47th Japanese Gosei, preliminary
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| Ishida Yoshio 9p | Koyama Terumi 6p | B+R |  |
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| [2008-01-17] 64th Japanese Honinbo, preliminary
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| Ishida Yoshio 9p | Koyama Terumi 5p | W+1.5 | |
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