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| white | black | year | event | guessed | |
| Iwamoto Kaoru (6p) | Hashimoto Utaro (4p) | 1931 | "Welcome Back, Iwamoto" game for Kido | | start |
| Kato Minaichi (3p) | Hashimoto Utaro (4p) | 1931 | Japan Promotion Tournament, 1931, Spring | | start |
| Sekiyama Riichi (4p) | Hashimoto Utaro (4p) | 1931 | Oteai, Spring Session | | start |
| Segoe Kensaku (7p) | Kitani Minoru (5p) | 1931 | Japan Promotion Tournament, 1931, Spring | | start |
| Hashimoto Utaro (4p) | Kojima Shunichi (4p) | 1931 | Japan Promotion Tournament, 1931, Spring | | start |
| Kitani Minoru (5p) | Kojima Shunichi (4p) | 1931 | Japan Promotion Tournament, 1931, Spring | | start |
| Murashima Yoshinori (5p) | Miyasaka Shinji (6p) | 1931 | Oteai, Spring Session | | start |
| Hashimoto Utaro (4p) | Murashima Yoshinori (5p) | 1931 | Japan Promotion Tournament, 1931, Spring | | start |
| Kitani Minoru (5p) | Onoda Chiyotaro (6p) | 1931 | Japan Promotion Tournament, 1931, Spring | | start |
| Tamura Minoru (2p) | Takagawa Kaku (1p) | 1931 | Horai Club meeting | | start |
| Inagaki Kanetaro (7p) | Go Seigen (4p) | 1931 | Super Go | | start |
| Kubomatsu Katsukiyo (6p) | Go Seigen (4p) | 1931 | Not known (from collection of Wu Huan) | | start |
| 本因坊秀哉 (1p) | Shimamura Toshihiro (1p) | 1931 | 日本名人指导棋第2局 | | start |
| 本因坊秀哉 (1p) | 苅部荣三郎 (1p) | 1931 | 日本名人指导棋第4局 | | start |
| Kato Shin (6p) | Hashimoto Utaro (4p) | 1931 | Special game sponsored by Yomiuri Shinbun | | start |
| Iwasa Kei (7p) | Takagawa Kaku (1p) | 1931 | | | start |
| Murashima Yoshinori (5p) | Go Seigen (4p) | 1931 | | | start |
| Go Seigen (4p) | Hashimoto Utaro (4p) | 1931 | New Stars' Super Go | | start |
| Hashimoto Utaro (4p) | Murashima Yoshinori (5p) | 1931 | | | start |
| 本因坊秀哉 (1p) | 神原义虎 (1p) | 1931 | 日本名人指导棋第9局 | | start |
| Hasegawa Akira (4p) | Go Seigen (4p) | 1931 | | | start |
| Onoda Chiyotaro (6p) | Go Seigen (4p) | 1931 | | | start |
| Kubomatsu Katsukiyo (6p) | Kitani Minoru (5p) | 1931 | | | start |
| Hashimoto Utaro (4p) | Shinohara Masami (4p) | 1931 | | | start |
| 本因坊秀哉 (1p) | 竹中幸太郎 (1p) | 1931 | 日本名人指导棋第10局 | | start |
