42nd Gosei title

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# 42nd Gosei title

## Preliminaries

In the preliminaries, 24 players earned access to the main tournament.

## Tournament

42th Gosei Tournament
Murakawa Daisuke | Motoki Katsuya W+0.5 2017-01-26 | Motoki Katsuya W+2.5 2017-02-23 | Motoki Katsuya B+R 2017-04-20 | Yamashita Keigo B+R 2017-05-18
Kobayashi Koichi | Motoki Katsuya B+5.5 2016-11-17
Motoki Katsuya
Ida Atsushi | Ogata Masaki W+R 2016-12-01 | Ryu Shikun B+3.5 2017-01-12
Ogata Masaki
Ryu Shikun | Ryu Shikun W+R 2016-12-08
Yuki Satoshi
Imamura Toshiya | Imamura Toshiya W+R 2016-12-15 | O Rissei B+0.5 2017-01-19 | O Rissei W+0.5 2017-02-02
Nakane Naoyuki
O Rissei | O Rissei W+0.5 2016-11-03
Yamada Kimio
Kanazawa Makoto | Numadate Sakiya W+R 2016-11-03 | Yoda Norimoto W+R 2016-12-22
Numadate Sakiya
Yoda Norimoto | Yoda Norimoto W+2.5 2016-11-17
Sada Atsushi
Sakai Hideyuki | Sakai Hideyuki W+14.5 2016-12-15 | Sakai Hideyuki W+R 2017-01-19 | Ichiriki Ryo W+0.5 2017-02-23 | Yamashita Keigo W+R 2017-04-17
Cho Riyu
Takao Shinji | Takao Shinji B+R 2016-12-08
Cho Sonjin
Ohashi Naruya | Kobayashi Satoru W+R 2016-11-03 | Ichiriki Ryo B+R 2017-01-19
Kobayashi Satoru
Ichiriki Ryo | Ichiriki Ryo B+R 2016-12-26
Yu Zhengqi
Seto Taiki | Kono Rin B+4.5 2016-12-08 | Kono Rin B+R 2016-12-22 | Yamashita Keigo B+R 2017-02-23
Kono Rin
Kitano Ryo | Kitano Ryo B+3.5 2016-11-10
Hon Seisen
Mimura Tomoyasu | U Boi W+R 2016-12-15 | Yamashita Keigo W+R 2017-01-26
U Boi
Yamashita Keigo

## 42nd Gosei title

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
2017-06-22 | Yamashita Keigo | Iyama Yuta | W+R | 190 | sgf
2017-07-19 | Iyama Yuta | Yamashita Keigo | B+R | 145 | sgf
2017-07-25 | Yamashita Keigo | Iyama Yuta | W+R | 206 | sgf

Iyama Yuta won 3-0.