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| white | black | year | event | guessed | |
| Nie Weiping (9p) | Liu Xiaoguang (9p) | 1990 | 3rd Mingren League | | start |
| Qian Yuping (9p) | Liu Xiaoguang (9p) | 1990 | 4th Tianyuan Final | | start |
| Qian Yuping (9p) | Liu Xiaoguang (9p) | 1990 | 4th Tianyuan Final | | start |
| Ruan Yunsheng (7p) | Liu Xiaoguang (9p) | 1990 | Mingren, 3rd | | start |
| Kurahashi Masayuki (4p) | Li Xing (6p) | 1990 | 18th Japan-China Go Exchange | | start |
| Cao Dayuan (9p) | Ma Xiaochun (9p) | 1990 | New Physical Education Cup | | start |
| Kubo Katsuaki (9p) | Miyazawa Goro (8p) | 1990 | 29th Judan | | start |
| Yang Hui (8p) | Morita Michihiro (7p) | 1990 | 18th Japan-China Go Exchange | | start |
| Yang Hui (7p) | Moriyama Naoki (7p) | 1990 | 18th Japan-China Go Exchange | | start |
| Gaku Yuzuru (5p) | Nakaonoda Tomomi (4p) | 1990 | Oteai 1990 | | start |
| Ito Kayoko (2p) | Nakayama Kaoru (2p) | 1990 | 3rd Female Meijin | | start |
| Nakazawa Ayako (1p) | Nakayama Kaoru (2p) | 1990 | 9th Female Honinbo | | start |
| Sakakibara Fumiko (2p) | Nakazawa Ayako (1p) | 1990 | 3rd Female Meijin | | start |
| Qian Yuping (8p) | Nie Weiping (9p) | 1990 | 3rd Mingren League | | start |
| Morita Michihiro (5p) | Oda Hiromitsu (5p) | 1990 | Kisei, 15th | | start |
| Maeda Ryoji (5p) | Ogawa Tomoko (4p) | 1990 | Japan Promotion Tournament, 1990 | | start |
| Jiang Zhujiu (9p) | Ohira Shuzo (9p) | 1990 | 3rd Fujitsu Cup | | start |
| Nie Weiping (9p) | Ohira Shuzo (9p) | 1990 | 3rd Fujitsu Cup | | start |
| Okuma Chikuko (3p) | Okada Yumiko (1p) | 1990 | 3rd Female Meijin | | start |
| Li Xing (6p) | Okumura Yasushi (4p) | 1990 | 18th Japan-China Go Exchange | | start |
| Sakata Eio (9p) | O Rissei (9p) | 1990 | 3rd Fujitsu Cup | | start |
| Matthew Macfadyen (6p) | Otake Hideo (9p) | 1990 | 3rd Fujitsu Cup | | start |
| Yang Hui (7p) | Oya Koichi (6p) | 1990 | 18th Japan-China Go Exchange | | start |
| Yamashiro Hiroshi (9p) | Oyama Kunio (9p) | 1990 | 16th Tengen | | start |
| Lee Changho (4p) | Peng Jinghua (5p) | 1990 | 3rd Fujitsu Cup | | start |
