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| white | black | year | event | guessed | |
| Hane Yasumasa (9p) | Takagi Shoichi (9p) | 1990 | Gosei, 16th | | start |
| Fujisawa Hideyuki (9p) | Takanashi Seiken (3p) | 1990 | 39th Oza | | start |
| Otake Hideo (9p) | Takemiya Masaki (9p) | 1990 | 16th Gosei | | start |
| Asano Hideaki (6p) | Tei Meiko (8p) | 1990 | 1st Ryusei B | | start |
| Umeki Suguru (7p) | Tei Meiko (8p) | 1990 | 1st Ryusei B | | start |
| 傅利 (1p) | Wang Qun (9p) | 1990 | 中国围棋全国个人赛 | | start |
| Liu Xiaoguang (9p) | Wang Qun (7p) | 1990 | 4th Ten Strongest | | start |
| Shao Zhengzhong (8p) | Wang Qun (8p) | 1990 | Invitation Tournament, 1990 | | start |
| Zhang Wendong (7p) | Wang Qun (8p) | 1990 | 1990 Chinese Individual Championship | | start |
| Liang Weitang (7p) | Wang Yuan (7p) | 1990 | 1990 Chinese Individual Championship | | start |
| Liu Xiaoguang (9p) | Wang Yuan (7p) | 1990 | 1990 Chinese Individual Championship | | start |
| Chang Hao (4p) | Xia Xianyu (1p) | 1990 | 1990 Chinese Individual Championship | | start |
| Yang Hui (7p) | Xu Ying (3p) | 1990 | Women's Mingren | | start |
| Zhang Xuan (7p) | Xu Ying (3p) | 1990 | 1990 Chinese Individual Championship (Women) | | start |
| 徐莹 (1p) | Yang Hui (8p) | 1990 | 中国围棋全国个人赛 | | start |
| Hong Tae Seon (7p) | Yang Jae Ho (7p) | 1990 | Kiwang, 15th | | start |
| Zhang Xuan (7p) | Ye Gui (3p) | 1990 | 1990 Chinese Individual Championship (Women) | | start |
| Chang Su-yeong (8p) | Yi Tong-kyu (7p) | 1990 | 26th P'aewang | | start |
| Ito Yoji (7p) | Yoda Norimoto (8p) | 1990 | 1st Ryusei C | | start |
| Kosugi Masaru (7p) | Yoda Norimoto (8p) | 1990 | Honinbo, 46th | | start |
| Cho Hun Hyun (9p) | Yoo Chang Hyuk (3p) | 1990 | Kiseong, 2nd | | start |
| Kim In (3p) | Yoon Seong Hyun (1p) | 1990 | Korea Promotion Tournament, 1990 | | start |
| 梁伟棠 (8p) | Yu Bin (1p) | 1990 | 中国围棋全国个人赛 | | start |
| Ma Xiaochun (9p) | Yu Bin (8p) | 1990 | 1990 Chinese Individual Championship | | start |
| Wang Jianhong (7p) | Yu Bin (8p) | 1990 | 4th Ten Strongest | | start |
