5th Gosei title - 1980

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# 5th Gosei title

## Tournament

Sato Sunao | Yamashiro Hiroshi W+2.5 | Hane Yasumasa W+R | Sakata Eio B+7.5 | Honda Kunihisa W+0.5
Yamashiro Hiroshi
Takemiya Masaki | Hane Yasumasa B+R
Hane Yasumasa
Sato Masaharu | Sakata Eio B+R
Kageyama Toshiro | Sakata Eio B+13.5
Sakata Eio
Iwata Tatsuaki | Hasegawa Sunao B+2.5 | Sugiuchi Masao W+R | Honda Kunihisa B+R
Hasegawa Sunao
Shimamura Toshihiro | Sugiuchi Masao B+0.5
Sugiuchi Masao
Okumura Hideo | Honda Kunihisa B+R
Magari Reiki | Honda Kunihisa W+R
Honda Kunihisa
Hashimoto Utaro | Ohira Shuzo B+0.5 | Ishida Akira B+2.5 | Kataoka Satoshi W+R | Otake Hideo B+R
Ohira Shuzo
Ishida Akira
Sekiyama Toshio | Kataoka Satoshi W+4.5
Iwamoto Kaoru | Kataoka Satoshi W+6.5
Kataoka Satoshi
Inagaki Koichi | Kato Masao B+R | Awaji Shuzo B+R | Otake Hideo W+R
Kato Masao
Ushinohama Satsuo | Awaji Shuzo W+R
Awaji Shuzo
Ishida Yoshio | Fujisawa Shuko B+R | Otake Hideo W+R
Fujisawa Shuko
Otake Hideo

## Best-of-three Challenger Final

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
1980-06-19 | Otake Hideo | Honda Kunihisa | B+R | 191 | sgf
1980-07-03 | Honda Kunihisa | Otake Hideo | W+R | 184 | sgf

## 5th Gosei title

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
1980-07-23 | Cho Chikun | Otake Hideo | B+4.5 | 248 | sgf
1980-08-01 | Otake Hideo | Cho Chikun | B+1.5 | 283 | sgf
1980-08-19 | Cho Chikun | Otake Hideo | W+R | 238 | sgf
1980-08-27 | Otake Hideo | Cho Chikun | B+R | 167 | sgf

Otake Hideo won with 3-1.