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5th Meijin title


The lowest three players from the previous year are demoted, and entrance matches determine which three new players enter the League.

game date black white result sgf
Qualification final 1979-11-15 Hane Yasumasa Hisai Keishi B+R sgf
Qualification final 1979-11-22 Yamashiro Hiroshi Takagi Shoichi B+5.5 sgf
Qualification final 1979-11-29 Ishii Kunio Kobayashi Koichi W+1.5 sgf


Results (in the first column the white player, on the top row the black player). The ordering of the first six players is according to their results in the previous year. The last three are the winners of the entrance matches.

# player result 1 2 3 4 5 6 7 8 9
1. Sakata Eio 3-5 B+1.5 B+5.5 W+R B+2.5
2. Kato Masao 6-2 B+0.5 B+3.5 W+6.5 W+R
3. Takemiya Masaki 5-3 B+7.5 B+R W+7.5 W+R
4. Rin Kaiho 5-3 B+R W+R B+R W+R
5. Cho Chikun 6-2 W+R W+R W+R W+R
6. Hashimoto Utaro 2-6 B+3.5 B+R W+2.5 B+R
7. Kobayashi Koichi 5-3 W+R B+0.5 W+R W+R
8. Hane Yasumasa 2-6 B+2.5 W+2.5 B+1.5 B+5.5
9. Yamashiro Hiroshi 2-6 B+5.5 B+10.5 B+1.5 B+R

Yamashiro Hiroshi, Hane Yasumasa, and Hashimoto Utaro are demoted.


Kato Masao and Cho Chikun both had 6 wins, and played a challenger playoff that was won by Cho Chikun.

game date black white result sgf
Challenger playoff 1980-08-21 Cho Chikun Kato Masao B+4.5 sgf

5th Meijin Title

game date black white result sgf
1 1980-09-10,11 Otake Hideo Cho Chikun W+R sgf
2 1980-09-17,18 Cho Chikun Otake Hideo B+R sgf
3 1980-10-01,02 Otake Hideo Cho Chikun B+R sgf
4 1980-10-08,09 Cho Chikun Otake Hideo Void sgf
5 1980-10-22,23 Otake Hideo Cho Chikun W+R sgf
6 1980-11-05,06 Cho Chikun Otake Hideo B+1.5 sgf

Cho Chikun won 4-1. The fourth game was declared void: Cho asked whether he could retake the ko, and the referee answered affirmatively, and Cho illegally retook the ko.