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| | white | black | year | event | guessed | | | Hiroe Hiroyuki (6p) | Yukawa Mitsuhisa (7p) | 1990 | 20th Shinei | | start | | Komatsu Hideki (7p) | Yuki Satoshi (6p) | 1990 | 38th NHK Cup | | start | | Sakata Eio (9p) | Yuki Satoshi (6p) | 1990 | 38th NHK Cup | | start | | Nakaonoda Tomomi (5p) | Aoki Shinichi (6p) | 1990 | 1st Ryusei D | | start | | Ma Xiaochun (9p) | Cao Dayuan (8p) | 1990 | 4th Ten Strongest | | start | | Zhang Wendong (7p) | Cao Dayuan (8p) | 1990 | 4th Ten Strongest | | start | | Seo Neung-uk (8p) | Chang Su-yeong (8p) | 1990 | 25th Wangwi League | | start | | Nie Weiping (9p) | Chen Linxin (8p) | 1990 | 4th Ten Strongest | | start | | Wang Qun (8p) | Chen Linxin (8p) | 1990 | 4th Ten Strongest | | start | | Hashimoto Yujiro (6p) | Chin Kaei (6p) | 1990 | 1st Ryusei C | | start | | Nakamura Hidehito (9p) | Cho Chikun (9p) | 1990 | 16th Gosei | | start | | Kang Hun (7p) | Cho Hun Hyun (9p) | 1990 | Ch'oegowi, 30th | | start | | Lee Chang Ho (4p) | Cho Hun Hyun (9p) | 1990 | Kuksu, 34th | | start | | Yoo Chang Hyuk (3p) | Cho Hun Hyun (9p) | 1990 | Kiseong, 2nd | | start | | Asano Hideaki (6p) | Cho Sonjin (6p) | 1990 | 1st Ryusei B | | start | | Cho Sonjin (6p) | Doi Makoto (7p) | 1990 | 1st Ryusei B | | start | | Ohira Shuzo (9p) | Fujisawa Hideyuki (9p) | 1990 | 16th Meijin | | start | | Kuwata Yasuaki (8p) | Goto Shungo (7p) | 1990 | Oteai 1990 | | start | | Kato Masao (9p) | Hane Yasumasa (9p) | 1990 | 38th Oza Final | | start | | Chin Kaei (6p) | Hidaka Toshiyuki (6p) | 1990 | 1st Ryusei C | | start | | Imamura Toshiya (9p) | Hikosaka Naoto (8p) | 1990 | Gosei, 16th | | start | | Kanagawa Masaaki (6p) | Hiroe Hiroyuki (6p) | 1990 | Gosei, 16th | | start | | Koyama Shizuo (6p) | Hoshino Masaki (4p) | 1990 | Japan Promotion Tournament, 1990 | | start | | Noguchi Hitoshi (5p) | Iguchi Hideichiro (3p) | 1990 | Japan Promotion Tournament, 1990 | | start | | Oya Koichi (6p) | Ikezaki Tokinori (4p) | 1990 | Oteai 1990 | | start |
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