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| | white | black | year | event | guessed | | | Hagiwara Mutsumi (1p) | Hidaka Toshiyuki (1p) | 1980 | 29th Oza | | start | | Sugiuchi Masao (9p) | Honda Kunihisa (9p) | 1980 | Gosei, 5th | | start | | Cho Hun-hyeon (8p) | Hong Chong-hyeon (7p) | 1980 | 11th Myeongin League | | start | | Zhao Zhiyun (6p) | Huang Dexun (7p) | 1980 | China Individual Championship, 1980 | | start | | Chen Zude (9p) | Huang Liangyu (6p) | 1980 | China Individual Championship, 1980 | | start | | Kataoka Satoshi (5p) | Ishida Akira (8p) | 1980 | Gosei, 5th | | start | | Otake Hideo (9p) | Kato Masao (9p) | 1980 | Judan, 18th | | start | | Otake Hideo (9p) | Kato Masao (9p) | 1980 | Judan, 18th | | start | | Hashimoto Utaro (9p) | Kobayashi Koichi (9p) | 1980 | Meijin, 5th | | start | | Sakata Eio (9p) | Kobayashi Koichi (9p) | 1980 | 28th Oza | | start | | Ishikura Noboru (1p) | Koyama Hideo (3p) | 1980 | Oteai 1980 | | start | | Kobayashi Reiko (6p) | Kusunoki Teruko (5p) | 1980 | 2nd Women's Kakusei | | start | | Jiang Mingjiu (5p) | Liu Xiaoguang (6p) | 1980 | China Individual Championship, 1980 | | start | | Nie Weiping (9p) | Ma Xiaochun (9p) | 1980 | China Individual Championship, 1980 | | start | | Suzuki Tsuna (3p) | Ogawa Tomoko (4p) | 1980 | 2nd Women's Kakusei | | start | | Kato Masao (9p) | Otake Hideo (9p) | 1980 | Judan, 18th | | start | | Ishida Yoshio (9p) | Rin Kaiho (9p) | 1980 | Honinbo, 35th | | start | | Sakata Eio (9p) | Rin Kaiho (9p) | 1980 | Honinbo, 35th | | start | | Takemiya Masaki (9p) | Sakata Eio (9p) | 1980 | Meijin, 5th | | start | | Yasuda Yasutoshi (1p) | Sasaki Tadashi (1p) | 1980 | 29th Oza | | start | | Kojima Takaho (9p) | Takemiya Masaki (9p) | 1980 | Tengen, 6th | | start | | Sakata Eio (9p) | Takemiya Masaki (9p) | 1980 | Honinbo, 35th | | start | | Yanagawa Hiromasa (1p) | Tanaka Chieko (3p) | 1980 | Oteai 1980 | | start | | Goto Shungo (1p) | Tanimura Yoshiyuki (2p) | 1980 | Oteai 1980 | | start | | Kamimura Haruo (6p) | Yamabe Toshiro (9p) | 1980 | 36th Honinbo | | start |
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