Games Between Two Players
Kobayashi Koichi (5 win; 0 loss) vs. Shimamura Toshihiro
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [1981-06-18] 6th Japanese Meijin, league
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| Shimamura Toshihiro 9p | Kobayashi Koichi 9p | W+6.5 |  |
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| [1979-07-19] 27th Japanese Oza, round 2
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| Kobayashi Koichi 9p | Shimamura Toshihiro 9p | B+R | |
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| [1978-03-23] 33rd Japanese Honinbo, league
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| Shimamura Toshihiro 9p | Kobayashi Koichi 8p | W+R | |
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| [1976-02-26] 1st Japanese Gosei, league
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| Kobayashi Koichi 7p | Shimamura Toshihiro 9p | B+R | |
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| [1972-12-24] 5th Japanese Hayago Championship, round 2
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| Shimamura Toshihiro 9p | Kobayashi Koichi 6p | W+R | |
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