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| white | black | year | event | guessed | |
| Yi Tong-kyu (7p) | Chang Su-yeong (8p) | 1990 | 26th P'aewang | | start |
| Liao Guiyong (7p) | Chen Linxin (8p) | 1990 | 1990 Chinese Individual Championship | | start |
| Wang Hui (5p) | Chen Linxin (8p) | 1990 | 1990 Chinese Individual Championship | | start |
| Chang Su-yeong (8p) | Cheong Su-hyeon (6p) | 1990 | 25th Wangwi League | | start |
| 王剑坤 (1p) | Che Zewu (7p) | 1990 | 中国围棋全国个人赛 | | start |
| Yoda Norimoto (8p) | Chin Kaei (6p) | 1990 | 1st Ryusei C | | start |
| Yoda Norimoto (8p) | Cho Chikun (9p) | 1990 | Judan, 29th | | start |
| Yang Sang Guk (7p) | Cho Dae Hyun (5p) | 1990 | Korea Promotion Tournament, 1990 | | start |
| Seo Pong-su (9p) | Cho Hun-hyeon (9p) | 1990 | 30th Ch'oegowi | | start |
| Chen Linxin (8p) | Duan Rong (4p) | 1990 | 1990 Chinese Individual Championship | | start |
| Liang Weitang (7p) | Duan Rong (4p) | 1990 | 1990 Chinese Individual Championship | | start |
| Ye Gui (4p) | Feng Yun (7p) | 1990 | 1990 Chinese Individual Championship (Women) | | start |
| Yoon Ki hyun (9p) | Ha Chan Seok (8p) | 1990 | Kiwang, 15th | | start |
| Kato Masao (9p) | Hane Yasumasa (9p) | 1990 | 38th Oza Final | | start |
| Kato Masao (9p) | Hane Yasumasa (9p) | 1990 | 38th Oza Final | | start |
| Ogata Masaki (9p) | Hane Yasumasa (9p) | 1990 | Okan, 31st | | start |
| Kang Zhanbin (6p) | Hang Tianpeng (1p) | 1990 | 1990 Chinese Individual Championship | | start |
| Sugiuchi Kazuko (8p) | Hara Sachiko (1p) | 1990 | Women's Meijin, 3rd | | start |
| Goto Shungo (8p) | Hashimoto Shoji (9p) | 1990 | Gosei, 16th | | start |
| Miyamoto Yoshihisa (9p) | Hashimoto Shoji (9p) | 1990 | 34th Kansai Ki-in 1st Place Title | | start |
| Yamashiro Hiroshi (9p) | Hashimoto Yujiro (6p) | 1990 | Gosei, 16th | | start |
| Zhang Xuan (7p) | Huang Yan (5p) | 1990 | 1990 Chinese Individual Championship (Women) | | start |
| Tsuchida Masamitsu (9p) | Inagaki Koichi (8p) | 1990 | 32nd Okan | | start |
| O Gyu Cheol (3p) | Jeong Hyeon San (3p) | 1990 | Kiwang, 15th | | start |
| Wang Yuan (7p) | Jin Weibin (7p) | 1990 | 1990 Chinese Individual Championship | | start |
