Games Between Two Players
Kato Masao (2 win; 1 loss) vs. Seo Bongsoo
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [1998-09-02] 3rd Samsung Cup, round 1
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| Seo Bongsoo 9p | Kato Masao 9p | W+R |  |
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| [1997-01-07] 8th Tongyang Securities Cup, round 1
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| Seo Bongsoo 9p | Kato Masao 9p | W+R | |
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| [1989-04-03] 2nd Fujitsu Cup, round 2
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| Kato Masao 9p | Seo Bongsoo 9p | W+R | |
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