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| white | black | year | event | guessed | |
| Zheng Hong (6p) | Yu Bin (8p) | 1990 | 1990 Chinese Individual Championship | | start |
| Li Liang (4p) | Zhang Wendong (7p) | 1990 | 1990 Chinese Individual Championship | | start |
| Qian Yuping (9p) | Zhang Wendong (7p) | 1990 | 1990 Chinese Individual Championship | | start |
| Yu Bin (8p) | Zhang Wendong (7p) | 1990 | 1990 Chinese Individual Championship | | start |
| Feng Yun (7p) | Zhang Xuan (7p) | 1990 | 1990 Chinese Individual Championship (Women) | | start |
| Hu Xiaoling (3p) | Zhang Xuan (7p) | 1990 | 1990 Chinese Individual Championship (Women) | | start |
| Yang Hui (7p) | Zhang Xuan (7p) | 1990 | 1990 Chinese Individual Championship (Women) | | start |
| 刘菁 (8p) | Zheng Hong (1p) | 1990 | 中国围棋全国个人赛 | | start |
| Liu Xiaoguang (9p) | Zheng Hong (6p) | 1990 | 1990 Chinese Individual Championship | | start |
| Peng Jinghua (5p) | Zheng Hong (6p) | 1990 | 1990 Chinese Individual Championship | | start |
| Wu Zhaoyi (7p) | Zheng Hong (6p) | 1990 | 1990 Chinese Individual Championship | | start |
| Ohira Shuzo (9p) | Aragaki Takeshi (8p) | 1990 | 4th Fujitsu Cup | | start |
| Ota Seido (9p) | Aragaki Takeshi (8p) | 1990 | Oza, 39th | | start |
| Yoda Norimoto (8p) | Awaji Shuzo (9p) | 1990 | Meijin, 16th | | start |
| Nie Weiping (9p) | Cao Dayuan (8p) | 1990 | New Physical Education Cup | | start |
| Paek Seong-ho (7p) | Cao Dayuan (9p) | 1990 | 3rd Tong Yang Securities Cup | | start |
| Cho Hun-hyeon (9p) | Chang Su-yeong (9p) | 1990 | 26th P'aewang Final | | start |
| Cho Hun-hyeon (9p) | Chang Su-yeong (9p) | 1990 | 26th P'aewang Final | | start |
| Qian Yuping (9p) | Cheong Su-hyeon (7p) | 1990 | 3rd Tong Yang Securities Cup | | start |
| Kato Masao (9p) | Cho Chikun (9p) | 1990 | Meijin, 15th | | start |
| Mimura Tomoyasu (5p) | Cho Chikun (9p) | 1990 | Meijin, 16th | | start |
| Otake Hideo (9p) | Cho Chikun (9p) | 1990 | 10th NEC Cup | | start |
| Chang Su-yeong (9p) | Cho Hun-hyeon (9p) | 1990 | 26th P'aewang Final | | start |
| Seo Bong Soo (9p) | Cho Hun Hyun (9p) | 1990 | Kiwang, 15th | | start |
| Yoo Chang Hyuk (3p) | Cho Hun Hyun (9p) | 1990 | Kiseong, 2nd | | start |
