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27th Honinbo title


In the preliminaries, Yamabe Toshiro, Takemiya Masaki, Shimamura Toshihiro, and Magari Reiki qualified for the League.


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. Magari Reiki 0-7 B+R B+R B+R
2. Fujisawa Hosai 4-3 W+R W+R B+R B+R
3. Sakata Eio 5-2 W+R B+1.5 B+1.5
4. Shimamura Toshihiro 3-4 W+R B+R B+R B+R
5. Yamabe Toshiro 3-4 B+R B+R B+
6. Rin Kaiho 5-2 W+1.5 B+R W+R B+5.5
7. Takemiya Masaki 4-3 B+R B+R B+R
8. Kato Masao 4-3 W+R B+R B+R B+R

Magari Reiki, Yamabe Toshiro, Shimamura Toshihiro, and Fujisawa Hosai are demoted. (There was a demotion playoff.)

Challenger Playoff

date black white result #mv sgf
1972-05-03,04 Rin Kaiho Sakata Eio B+R 223 sgf

The 27th Honinbo Title

date black white result #mv sgf
1972-05-08,09 Ishida Yoshio Rin Kaiho B+R 199 sgf
1972-05-17,18 Rin Kaiho Ishida Yoshio B+R 195 sgf
1972-05-25,26 Ishida Yoshio Rin Kaiho W+6.5 265 sgf
1972-06-07,08 Rin Kaiho Ishida Yoshio W+1.5 203 sgf
1972-06-16,17 Ishida Yoshio Rin Kaiho W+R 218 sgf
1972-06-29,30 Rin Kaiho Ishida Yoshio W+3.5 276 sgf
1972-07-06,07 Rin Kaiho Ishida Yoshio W+2.5 305 sgf

Ishida won 4-3.