The 12th Kisei was the 12th edition of the Kisei tournament for the game of Go. Since Koichi Kobayashi won the previous year, he was given an automatic place in the final. Eleven players battled in a knockout tournament to decide the final two. Those two would then play each other in a best-of-3 match to decide who would face Kobayashi. Masao Kato became the challenger after beating Hideo Otake 2 games to 0, but would lose to Kobayashi 4 games to 1 in the final.
Tournament
edit| Round of 16 | Quarter-finals | Semi-finals | Final | |||||||||||
| Shuzo Awaji | 1 | |||||||||||||
| Sunao Hasegawa | 0 | |||||||||||||
| Otake Hideo | 1 | |||||||||||||
| Awaji Shuzo | 0 | |||||||||||||
| O Meien | 1 | |||||||||||||
| O Rissei | 0 | |||||||||||||
| Hideo Otake | 1 | |||||||||||||
| Cho Chikun | 0 | |||||||||||||
| Eio Sakata | 0 | |||||||||||||
| Yutaka Shiraishi | 1 | |||||||||||||
| Masaki Takemiya | 1 | |||||||||||||
| Yutaka Shiraishi | 0 | |||||||||||||
| Hideo Otake | 0 | |||||||||||||
| - | 0 | |||||||||||||
| Hideo Otake | 0 | |||||||||||||
| Masao Kato | 2 | |||||||||||||
| Masaki Takemiya | 0 | |||||||||||||
| - | 0 | |||||||||||||
| O Meien | 0 | |||||||||||||
| Cho Chikun | 1 | |||||||||||||
| Cho Chikun | 0 | |||||||||||||
| - | 0 | |||||||||||||
| Masaki Takemiya | 0 | |||||||||||||
| Masao Kato | 1 | |||||||||||||
| Masao Kato | 0 | |||||||||||||
| - | 0 | |||||||||||||
| Masao Kato | 1 | |||||||||||||
| Norimoto Yoda | 0 | |||||||||||||
| Norimoto Yoda | 0 | |||||||||||||
| - | 0 | |||||||||||||
Challenger finals
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| Hideo Otake 9 dan | 0 | |||
| Masao Kato Oza | W+R | W+R | 2 |
Finals
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| Koichi Kobayashi (Kisei) | W+R | W+7.5 | W+R | W+0.5 | 4 | |||
| Masao Kato (Challenger) | W+8.5 | 1 |