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45th Gosei title

Preliminaries

In the preliminaries, 24 players (18 from Nihon Ki-in, 6 from Kansai Ki-in) earned access to the main tournament. They were joined by the previous Gosei (Kyo Kagen) and the three non-winner semifinalists of last year's main tournament (Iyama Yuta, Ichiriki Ryo, Yu Zhengqi) and Cho U.

Tournament

45th Gosei Tournament
Kyo Kagen Kyo Kagen
W+R
2020-02-06
Kyo Kagen
B+R
2020-03-25
Cho U
B+R
2020-06-03
Ichiriki Ryo
W+4.5
2020-06-29
Otake Yu Shida Tatsuya
W+R
2019-12-09
Shida Tatsuya
Kazama Jun Seto Taiki
B+R
2019-11-07
Seto Taiki
B+R
2020-01-16
Seto Taiki
Fujita Akihiko Fujita Akihiko
B+R
2019-12-05
Yuki Satoshi
Shibano Toramaru Shibano Toramaru
W+R
2019-12-09
Motoki Katsuya
B+R
2019-12-26
Cho U
B+R
2020-02-06
Furuya Yutaka
U Boi Motoki Katsuya
W+R
2019-11-21
Motoki Katsuya
Ko Iso Cho U
W+R
2019-11-07
Cho U
B+R
2019-12-23
Cho U
Iyama Yuta
Ichiriki Ryo Ichiriki Ryo
W+R
2019-12-26
Ichiriki Ryo
B+R
2020-03-26
Ichiriki Ryo
B+R
2020-06-03
Suzuki Shinji Sada Atsushi
B+R
2019-11-14
Sada Atsushi
Ida Atsushi Adachi Toshimasa
W+R
2019-12-09
Rin Kanketsu
B+4.5
2019-12-26
Adachi Toshimasa
Rin Kanketsu Rin Kanketsu
B+0.5
2019-11-14
Nakano Hironari
Yu Zhengqi Yu Zhengqi
B+R
2019-11-07
Yu Zhengqi
W+R
2020-01-16
Mutsuura Yuta
W+R
2020-02-27
O Rissei
Hon Akiyoshi Ryu Shikun
B+0.5
2019-12-12
Ryu Shikun
Koike Yoshihiro Kono Rin
W+R
2019-11-07
Mutsuura Yuta
B+2.5
2020-01-24
Kono Rin
Mutsuura Yuta Mutsuura Yuta
W+2.5
2019-12-05
Onishi Ryuhei

45th Gosei title

date black white result #mv sgf
2020-07-18 Hane Naoki Ichiriki Ryo W+1.5 267 sgf
2020-08-03 Ichiriki Ryo Hane Naoki B+R 181 sgf
2020-08-14 Hane Naoki Ichiriki Ryo W+R 160 sgf

Ichiriki Ryo won 3-0.