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10th Honinbo title

Preliminaries

The finals of the (only) preliminary were won by Iwata Masao = Iwata Tatsuaki, Magari Reiki, Suzuki Etsuo, and Hasegawa Akira.

League

Only a few games are known.
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. Sugiuchi Masao 2-4* B+R B+R B+R
2. Iwata Tatsuaki 3-3* W+R
3. Hasegawa Akira 1-5* B+R B+R
4. Shimamura Toshihiro 6-1 W+2.5
5. Suzuki Etsuo 0-6* B+0.5
6. Sakata Eio 5-2 W+3.5 B+R
7. Magari Reiki 2-3* W+2.5
8. Miyashita Shuyo 6-1 W+2.5 W+4.5

There was no demotion this year. The system was changed, and only Shimamura Toshihiro was seeded for next year's League.

Challenger Playoff

date black white result #mv sgf
1955-04-20 Shimamura Toshihiro Miyashita Shuyo B+2.5 277 sgf

10th Honinbo Title

date black white result #mv sgf
1955-05-06,07 Takagawa Shukaku Shimamura Toshihiro B+1.5 237 sgf
1955-05-19,20 Shimamura Toshihiro Takagawa Shukaku W+3.5 237 sgf
1955-06-02,03 Takagawa Shukaku Shimamura Toshihiro B+R 265 sgf
1955-06-16,17 Shimamura Toshihiro Takagawa Shukaku W+R 176 sgf

Takagawa Shukaku won 4-0.