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| | white | black | year | event | guessed | | | Akedo Kazumi (3p) | Yamashiro Hiroshi (2p) | 1973 | Japan Promotion Tournament, 1973 | | start | | Awaji Shuzo (4p) | Yoshida Yoichi (3p) | 1973 | Japan Promotion Tournament, 1973 | | start | | Hashimoto Utaro (9p) | Cho Chikun (6p) | 1973 | 29th Honinbo | | start | | Iwamoto Kaoru (9p) | Fujisawa Hosai (9p) | 1973 | Pro Best Ten, 11th | | start | | Ishii Kunio (8p) | Fujisawa Shuko (9p) | 1973 | Honinbo, 29th | | start | | Kajiwara Takeo (9p) | Hane Yasumasa (8p) | 1973 | 11th Pro Best Ten | | start | | Sekiyama Toshio (9p) | Hashimoto Utaro (9p) | 1973 | | | start | | Cho Chikun (6p) | Honda Kunihisa (9p) | 1973 | Pro Best Ten, 11th | | start | | Rin Kaiho (9p) | Ishida Yoshio (9p) | 1973 | Meijin (Yomiuri), 12th | | start | | Rin Kaiho (9p) | Ishida Yoshio (9p) | 1973 | Meijin (Yomiuri), 12th | | start | | Takagawa Kaku (9p) | Ishida Yoshio (9p) | 1973 | Nihon Ki-in Championship, 21st | | start | | Hashimoto Utaro (9p) | Ishii Shinzo (8p) | 1973 | 17th Kansai Ki-in First Place Championship | | start | | Hashimoto Utaro (9p) | Kajiwara Takeo (9p) | 1973 | NHK, 21st | | start | | Miyashita Shuyo (9p) | Kitani Reiko (6p) | 1973 | 11th Pro Best Ten | | start | | Otake Hideo (9p) | Kojima Takaho (7p) | 1973 | 12th Judan | | start | | Sakata Eio (9p) | Otake Hideo (9p) | 1973 | Japan Series, 1st | | start | | Ishida Yoshio (9p) | Rin Kaiho (9p) | 1973 | Meijin (Yomiuri), 12th | | start | | Ishida Yoshio (9p) | Sakata Eio (9p) | 1973 | Japan Series, 1st | | start | | Hashimoto Utaro (9p) | Sekiyama Toshio (9p) | 1973 | | | start | | Kato Masao (9p) | Shiraishi Yutaka (9p) | 1973 | Pro Best Ten, 11th | | start | | Sugiuchi Masao (9p) | Takagawa Kaku (9p) | 1973 | Honinbo, 29th | | start | | Cho Chikun (6p) | Baba Shigeru (5p) | 1973 | Oteai | | start | | Takemiya Masaki (7p) | Fujisawa Hosai (9p) | 1973 | Pro Best Ten, 11th | | start | | Cho Chikun (6p) | Fukui Masaaki (6p) | 1973 | Young Stars Gonin-nuki (first to five straight wins) tournament sponsored by Kido | | start | | Fujisawa Shuko (9p) | Go Seigen (9p) | 1973 | NHK Cup, 21st | | start |
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