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25th Judan title

Winners' Section

Winners' Section
Kato Masao Kato Masao
B+R
1986-07-03
Kato Masao
B+3.5
1986-10-23
Kato Masao
B+R
1986-11-20
Kato Masao
B+6.5
1986-12-04
Awaji Shuzo
Hashimoto Shoji Otake Hideo
W+3.5
1986-07-30
Otake Hideo
Rin Kaiho O Meien
W+9.5
1986-06-26
O Meien
B+R
1986-08-07
O Meien
Yamashiro Hiroshi Yamashiro Hiroshi
B+3.5
1986-07-03
Takagi Shoichi
Imamura Toshiya Kobayashi Satoru
W+R
1986-06-19
Sakata Eio
W+R
1986-08-06
Ishida Yoshio
W+R
1986-10-16
Kobayashi Satoru
Takemiya Masaki Sakata Eio
W+0.5
1986-07-09
Sakata Eio
Hisajima Kunio Ishida Yoshio
W+R
1986-07-10
Ishida Yoshio
B+1.5
1986-10-09
Ishida Yoshio
Hane Yasumasa Cho Chikun
W+R
1986-08-21
Cho Chikun

Losers' Section

Losers' Section
Awaji Shuzo Awaji Shuzo
B+7.5
1986-08-28
Rin Kaiho
B+R
1986-11-20
Hisajima Kunio
W+3.5
1986-12-25
Hisajima Kunio
B+2.5
1987-01-22
Cho Chikun
B+R
1987-02-05
Hashimoto Shoji
Rin Kaiho Rin Kaiho
W+R
1986-10-02
Takagi Shoichi
Imamura Toshiya Takemiya Masaki
B+R
1986-09-04
Hisajima Kunio
B+0.5
1986-10-30
Takemiya Masaki
Hisajima Kunio Hisajima Kunio
B+R
1986-09-25
Hane Yasumasa
Ishida Yoshio
Otake Hideo Yamashiro Hiroshi
B+R
1986-12-08
Cho Chikun
W+R
1987-01-22
Cho Chikun
W+R
1987-01-29
Yamashiro Hiroshi
Kobayashi Satoru Cho Chikun
W+R
1986-11-06
Cho Chikun
O Meien Sakata Eio
W+R
1986-12-25
Sakata Eio

Challenger decision match

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

date black white result #mv sgf
1987-02-19 Kato Masao Cho Chikun B+0.5 275 sgf

25th Judan Title

date black white result #mv sgf
1987-03-05 Kato Masao Kobayashi Koichi B+R 203 sgf
1987-03-27 Kobayashi Koichi Kato Masao W+4.5 252 sgf
1987-04-02 Kato Masao Kobayashi Koichi W+R 202 sgf
1987-04-16 Kobayashi Koichi Kato Masao W+0.5 256 sgf

Kato Masao won 3-1.