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44th Honinbo title

Preliminary finals

date black white result #mv sgf
1988-07-11 Hayase Hiroshi Kojima Takaho W+6.5 283 sgf
1988-07-28 Cho Chikun Sakai Takeshi B+7.5 283 sgf
1988-08-18 Yoda Norimoto Hane Yasumasa W+3.5 243 sgf
1988-08-24 Kataoka Satoshi Takagi Shoichi B+3.5 295 sgf

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. Otake Hideo 5-2 B+R W+0.5 W+R B+R
2. Kobayashi Koichi 4-3 B+0.5 W+R B+5.5
3. Yamashiro Hiroshi 3-4 B+R W+1.5 W+1.5 B+R
4. Kato Masao 2-5 W+3.5 B+R W+R
5. Cho Chikun 5-2 B+4.5 W+R W+R W+0.5
6. Kojima Takaho 2-5 B+R W+1.5 W+6.5
7. Hane Yasumasa 3-4 B+R W+1.5 B+R W+R
8. Kataoka Satoshi 4-3 B+0.5 W+R W+R

Kojima Takaho, Kato Masao, Hane Yasumasa and Yamashiro Hiroshi are demoted.

Challenger Playoff

date black white result #mv sgf
1989-04-24 Otake Hideo Cho Chikun W+R 158 sgf

44th Honinbo Title

date black white result #mv sgf
1989-05-12,13 Cho Chikun Takemiya Masaki B+R 229 sgf
1989-05-29,30 Takemiya Masaki Cho Chikun W+R 210 sgf
1989-06-07,08 Cho Chikun Takemiya Masaki B+R 221 sgf
1989-06-15,16 Takemiya Masaki Cho Chikun W+R 178 sgf

Cho Chikun won 4-0.