12th Honinbo title

Preliminaries

Unlike last year, the preliminaries again follow a knockout system. The finals of the preliminaries were won by Suzuki Etsuo, Hashimoto Utaro, Murashima Yoshinori, and Yamabe Toshiro.

League

From now on, the League has 8 players. Each year the bottom four are demoted. Each year the four winners of the preliminaries are added.

In the first column the white player, on the top row the black player.

#	player	result	1	2	3	4	5	6	7	8
1.	Kitani Minoru	6-1			B+R		W+R		W+R
2.	Shimamura Toshihiro	3-4	B+R			B+1.5		W+4.5		W+1.5
3.	Fujisawa Hosai	6-1		B+R		W+4.5		W+R		W+R
4.	Iwamoto Kaoru	3-4	B+0.5				B+R		B+3.5
5.	Hashimoto Utaro	4-3		W+R	B+2.5			B+R
6.	Murashima Yoshinori	2-5	B+0.5			B+R				B+2.5
7.	Yamabe Toshiro	2-5		W+4.5	B+R		B+R	B+R
8.	Suzuki Etsuo	2-5	B+R			B+R	B+R		W+R

Demotion Playoff

date	black	white	result	#mv	sgf
1957-07-17,18	Shimamura Toshihiro	Iwamoto Kaoru	B+5.5	262	sgf

Suzuki Etsuo, Yamabe Toshiro, Murashima Yoshinori, and Iwamoto Kaoru are demoted.

Challenger Playoff

date	black	white	result	#mv	sgf
1957-06-16,17	Fujisawa Hosai	Kitani Minoru	B+6.5	244	sgf

12th Honinbo Title

date	black	white	result	#mv	sgf
1957-06-28,29	Takagawa Shukaku	Fujisawa Hosai	W+4.5	244	sgf
1957-07-09,10	Fujisawa Hosai	Takagawa Shukaku	W+2.5	302	sgf
1957-07-22,23	Takagawa Shukaku	Fujisawa Hosai	B+R	171	sgf
1957-08-02,03	Fujisawa Hosai	Takagawa Shukaku	W+R	206	sgf
1957-08-15,16	Takagawa Shukaku	Fujisawa Hosai	W+R	216	sgf
1957-08-26,27	Fujisawa Hosai	Takagawa Shukaku	W+2.5	282	sgf

Takagawa Shukaku won 4-2.