Games Between Two Players
Cho Sonjin (2 win; 3 loss) vs. Ishida Yoshio
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [2010-03-11] 19th Japanese Ryusei, group stage
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| Cho Sonjin 9p | Ishida Yoshio 9p | B+R |  |
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| [2007-08-16] 34th Japanese Tengen, preliminary
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| Ishida Yoshio 9p | Cho Sonjin 9p | B+R | |
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| [2002-09-22] 35th Japanese Hayago Championship, semi-final
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| Cho Sonjin 9p | Ishida Yoshio 9p | W+R | |
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| [2000-10-12] 25th Japanese Kisei, league B
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| Ishida Yoshio 9p | Cho Sonjin 9p | W+R | |
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| [1999-09-26] 47th Japanese NHK Cup, round 2
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| Ishida Yoshio 9p | Cho Sonjin 9p | B+5.5 | |
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