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| | white | black | year | event | guessed | | | Fujisawa Kazunari (4p) | Ando Akio (2p) | 1990 | Japan Promotion Tournament, 1990 | | start | | Matsuoka Hideki (4p) | Arimura Hiroshi (2p) | 1990 | Kisei, 15th | | start | | Miyazaki Ryutaro (1p) | Arimura Hiroshi (2p) | 1990 | Kisei, 15th | | start | | Aoki Kikuyo (Female Meijin) | Asano Yasuko (1p) | 1990 | 9th Female Honinbo | | start | | An Kwan-uk (6p) | Chang Hao (3p) | 1990 | 12th World Amateur Championship | | start | | Sanpu Hao (1p) | Chang Hao (9p) | 1990 | World Amatuer Championship, 12th | | start | | Cao Dayuan (9p) | Chen Linxin (8p) | 1990 | New Physical Education Cup | | start | | Kobayashi Koichi (9p) | Cho Chikun (9p) | 1990 | Honinbo, 45th | | start | | Yu Bin (8p) | Cho Hun-hyeon (9p) | 1990 | 2nd Tong Yang Securities Cup | | start | | Yang Jae Ho (6p) | Choi Gyu Byeong (4p) | 1990 | Kuksu, 34th | | start | | Hikosaka Naoto (8p) | Fujisawa Hideyuki (9p) | 1990 | 16th Tengen | | start | | Sato Masaharu (9p) | Fujisawa Hideyuki (9p) | 1990 | 16th Tengen | | start | | Kobayashi Satoru (9p) | Hane Yasumasa (9p) | 1990 | 15th Gosei | | start | | Asano Yasuko (1p) | Hara Sachiko (1p) | 1990 | 3rd Female Meijin | | start | | Ha Chan Seok (8p) | Hong Tae Seon (7p) | 1990 | Kiwang, 15th | | start | | Kang Hun (7p) | Hwang Weon-chun (6p) | 1990 | Myeongin, 21st | | start | | Seo Neung-uk (8p) | Hwang Weon-chun (6p) | 1990 | Myeongin, 21st | | start | | Arimura Hiroshi (2p) | Iguchi Hideichiro (3p) | 1990 | Kisei, 15th | | start | | O Meien (8p) | Ishida Yoshio (9p) | 1990 | 29th Judan | | start | | Yamashiro Hiroshi (9p) | Ito Yoji (7p) | 1990 | 31st Okan | | start | | Jang Su Yeong (8p) | Jeong Hyeon San (3p) | 1990 | Kiseong, 2nd | | start | | Lee Chang Ho (4p) | Jeong Hyeon San (3p) | 1990 | Kiwang, 15th | | start | | Ogata Masaki (7p) | Kamimura Kunio (8p) | 1990 | Judan, 29th | | start | | Yoda Norimoto (7p) | Kanda Ei (7p) | 1990 | Kisei, 15th | | start | | Yoo Chang Hyuk (3p) | Kang Hun (7p) | 1990 | Kiseong, 2nd | | start |
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