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23rd Judan title

Winners' Section

Winners' Section
Cho Chikun Cho Chikun
B+R
1984-06-07
Rin Kaiho
W+R
1984-08-23
Rin Kaiho
B+1.5
1984-11-07
Rin Kaiho
B+R
1984-12-06
Sugiuchi Masao
Rin Kaiho Rin Kaiho
B+R
1984-06-14
Koyama Yasuo
Ishida Yoshio Ishida Yoshio
B+8.5
1984-06-14
Ishida Yoshio
W+R
1984-09-13
Kada Katsuji
Iwata Tatsuaki Kato Masao
W+9.5
1984-06-28
Kato Masao
O Meien Otake Hideo
W+R
1984-07-12
Hane Yasumasa
W+R
1984-09-05
Hane Yasumasa
B+4.5
1984-11-29
Otake Hideo
Sakata Eio Hane Yasumasa
Hane Yasumasa
Kojima Takaho Kobayashi Satoru
W+R
1984-08-02
Kobayashi Satoru
B+R
1984-09-06
Kobayashi Satoru
Kajiwara Takeo Kajiwara Takeo
B+6.5
1984-07-05
Hashimoto Shoji

Losers' Section

Losers' Section
Sugiuchi Masao Sugiuchi Masao
B+7.5
1984-07-26
Sugiuchi Masao
B+R
1984-09-06
O Meien
W+R
1984-11-08
O Meien
W+R
1985-01-10
Otake Hideo
B+R
1985-01-31
Koyama Yasuo
Kada Katsuji Iwata Tatsuaki
W+3.5
1984-07-26
Iwata Tatsuaki
O Meien O Meien O Meien
W+R
1984-09-06
Sakata Eio
Kojima Takaho Kojima Takaho
W+1.5
1984-08-16
Hashimoto Shoji
Hane Yasumasa
Cho Chikun Cho Chikun
W+R
1984-10-11
Otake Hideo
B+R
1984-12-13
Otake Hideo
B+R
1985-01-17
Kato Masao
Otake Hideo Otake Hideo
B+10.5
1984-11-29
Kajiwara Takeo
Ishida Yoshio Ishida Yoshio
W+2.5
1984-12-13
Kobayashi Satoru

Challenger decision match

Winner of the Winners' Section against winner of the Losers' Section.

date black white result #mv sgf
1985-02-14 Otake Hideo Rin Kaiho B+R 205 sgf

23rd Judan Title

date black white result #mv sgf
1985-03-06 Otake Hideo Kobayashi Koichi W+R 180 sgf
1985-03-20 Kobayashi Koichi Otake Hideo B+4.5 212 sgf
1985-04-04 Otake Hideo Kobayashi Koichi W+R 208 sgf

Kobayashi Koichi won 3-0.