6th Gosei title - 1981

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# 6th Gosei title

## Tournament

Ohira Shuzo | Hisajima Kunio B+R 1980-09-14 | Cho Chikun B+R 1981-04-09 | Hashimoto Shoji W+R 1981-04-30 | Ishida Yoshio B+3.5 1981-05-14
Hisajima Kunio
Cho Chikun
Inagaki Koichi | Aragaki Takeshi B+R 1980-09-18 | Hashimoto Shoji W+R 1981-01-29
Aragaki Takeshi
Abe Yoshiteru | Hashimoto Shoji B+R 1980-11-20
Hashimoto Shoji
Kataoka Satoshi | Takemiya Masaki W+3.5 1980-10-09 | Kudo Norio B+0.5 1981-01-22 | Ishida Yoshio B+R 1981-03-19
Takemiya Masaki
Sekiyama Toshio | Kudo Norio B+2.5 1980-10-23
Kudo Norio
Ushinohama Satsuo | Fujisawa Shuko W+R 1980-12-04 | Ishida Yoshio B+R 1980-12-18
Fujisawa Shuko
Ishii Kunio | Ishida Yoshio B+R 1980-10-02
Ishida Yoshio
Asano Hideaki | Hisai Keishi B+0.5 1980-09-11 | Miyamoto Yoshihisa W+9.5 1980-12-11 | Honda Kunihisa W+R 1981-03-18 | Kato Masao W+1.5 1981-04-30
Hisai Keishi
Nakamura Hidehito | Miyamoto Yoshihisa B+0.5 1980-11-06
Miyamoto Yoshihisa
Ito Makoto | Sakata Eio W+R 1980-09-25 | Honda Kunihisa W+6.5 1981-02-12
Sakata Eio
Honda Kunihisa
Ishii Shinzo | Fujisawa Hosai W+3.5 1980-09-25 | Yamabe Toshiro B+R 1981-01-08 | Kato Masao W+R 1981-03-12
Fujisawa Hosai
Kori Toshio | Yamabe Toshiro B+4.5 1980-09-18
Yamabe Toshiro
Saijo Masataka | Kada Katsuji B+R 1980-09-11 | Kato Masao W+R 1981-01-22
Kada Katsuji
Kishimoto Kazuo | Kato Masao B+R 1980-10-16
Kato Masao

## Best-of-three Challenger Final

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
1981-05-28 | Ishida Yoshio | Kato Masao | W+R | 122 | sgf
1981-06-04 | Kato Masao | Ishida Yoshio | B+R | 181 | sgf

## 6th Gosei title

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
1981-07-08 | Kato Masao | Otake Hideo | W+6.5 | 238 | sgf
1981-07-16 | Otake Hideo | Kato Masao | B+R | 163 | sgf
1981-07-28 | Kato Masao | Otake Hideo | B+R | 197 | sgf
1981-08-03 | Otake Hideo | Kato Masao | B+2.5 | 264 | sgf

Otake Hideo won 3-1.