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11th Honinbo title

3rd Preliminary

In later years, the preliminaries are a knockout match in three stages, and provide half of the players of the League, last year's top half being seeded. This year only Shimamura Toshihiro, the loser of last year's title match, was seeded. In the 3rd preliminary, twelve players played two full rounds of 6 games. Three lost twice and dropped out. Three won twice and got a place in the League. The remaining six played one further round (3 games) and the three winners got a place in the League.

Notation is as for a Swiss system match.

player R1 R2 R3
1. Fujisawa Hosai +2 +3
2. Miyashita Shuyo −1 +4 −3
3. Fujisawa Shuko +4 −1 +2
4. Segawa Yoshio −3 −2
5. Hosokawa Senjin +6 +7
6. Kitani Minoru −5 +8 +10
7. Sakata Eio +8 −5 −11
8. Kano Yoshinori −7 −6
9. Sugiuchi Masao +10 +11
10. Hashimoto Utaro −9 +12 −6
11. Iwamoto Kaoru +12 −9 +7
12. Kada Katsuji −11 −10

League

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

# player result 1 2 3 4 5 6 7
1. Fujisawa Shuko 2-4 B+R W+R B+R
2. Iwamoto Kaoru 3-3 W+1.5 W+3.5 B+4.5
3. Fujisawa Hosai 4-2 W+8.5 W+R B+R
4. Shimamura Toshihiro 5-1 W+2.5 W+R W+R
5. Hosokawa Senjin 1-5 B+R B+R B+R
6. Sugiuchi Masao 1-5 B+R B+R B+R
7. Kitani Minoru 5-1 W+2.5 B+10.5 W+R

Sugiuchi Masao, Hosokawa Senjin, and Fujisawa Shuko are demoted.

Challenger Playoff

date black white result #mv sgf
1956-05-23,24 Shimamura Toshihiro Kitani Minoru B+15.5 224 sgf

11th Honinbo Title

date black white result #mv sgf
1956-06-07,08 Shimamura Toshihiro Takagawa Shukaku W+6.5 264 sgf
1956-06-17,18 Takagawa Shukaku Shimamura Toshihiro W+R 152 sgf
1956-06-28,29 Shimamura Toshihiro Takagawa Shukaku B+R 161 sgf
1956-07-09,10 Takagawa Shukaku Shimamura Toshihiro B+R 183 sgf
1956-07-19,20 Shimamura Toshihiro Takagawa Shukaku W+R 170 sgf
1956-08-31,09-01 Takagawa Shukaku Shimamura Toshihiro B+2.5 251 sgf

Takagawa Shukaku won 4-2.