Games Between Two Players
Kato Masao (3 win; 0 loss) vs. Sakaguchi Ryuzo
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [2002-04-01] 11th Japanese Ryusei, group stage
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| Kato Masao 9p | Sakaguchi Ryuzo 9p | B+R |  |
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| [1985-03-07] 11th Japanese Tengen, round 1
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| Sakaguchi Ryuzo 9p | Kato Masao 9p | W+8.5 | |
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| [1982-04-22] 30th Japanese Oza, round 1
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| Kato Masao 9p | Sakaguchi Ryuzo 8p | B+R | |
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