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| | white | black | year | event | guessed | | | Yang Shihai (5p) | Yo Kagen (5p) | 1990 | 2nd Zhonghuan Cup | | start | | Jang Su Yeong (8p) | Yoo Chang Hyuk (4p) | 1990 | Kiseong, 2nd | | start | | Yoda Norimoto (7p) | Yuki Satoshi (6p) | 1990 | 15th Shinjin-O Final | | start | | Chen Yongan (5p) | Yu Ping (8p) | 1990 | 2nd Zhonghuan Cup | | start | | Ko Mosei (8p) | Zhang Xuan (7p) | 1990 | Zhonghuan Cup | | start | | Cheng Xiaoliu (6p) | Zhou Xianheng (6p) | 1990 | Zhonghuan Cup | | start | | Cho Sonjin (6p) | Arimura Hiroshi (3p) | 1990 | 1st Ryusei B | | start | | Yamamoto Masato (6p) | Arimura Hiroshi (3p) | 1990 | 1st Ryusei B | | start | | Nie Weiping (9p) | Cao Dayuan (8p) | 1990 | New Physical Education Cup | | start | | Cheong Su-hyeon (6p) | Chang Su-yeong (8p) | 1990 | 26th P'aewang | | start | | Seo Pong-su (9p) | Chang Su-yeong (8p) | 1990 | 25th Wangwi League | | start | | Abe Yoshiteru (9p) | Cho Chikun (9p) | 1990 | 3rd Kirin Cup | | start | | Kato Masao (9p) | Cho Chikun (9p) | 1990 | 23rd Hayago Championship | | start | | Rin Kaiho (9p) | Cho Chikun (9p) | 1990 | 3rd Kirin Cup | | 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 | | Seo Bong Soo (9p) | Ha Chan Seok (8p) | 1990 | Kiwang, 15th | | start | | Ito Yoji (7p) | Hiroe Hiroyuki (6p) | 1990 | 31st Okan | | start | | Kobayashi Koichi (9p) | Ishida Yoshio (9p) | 1990 | 10th NEC Cup | | start | | O Rissei (9p) | Ishida Yoshio (9p) | 1990 | 3rd IBM Hyayago Open | | start | | Hane Yasumasa (9p) | Kataoka Satoshi (9p) | 1990 | 38th Oza | | start | | Yang Jae Ho (7p) | Kim Il Hwan (6p) | 1990 | Ch'oegowi, 30th | | start | | Baek Heung Soo (4p) | Kim Seung Joon (1p) | 1990 | Korea Promotion Tournament, 1990 | | start | | Ogata Masaki (7p) | Kobayashi Koichi (9p) | 1990 | 29th Judan | | start | | Ohira Shuzo (9p) | Kobayashi Koichi (9p) | 1990 | 16th Tengen | | start |
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