40th Gosei title - 2015

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# 40th Gosei title

## Tournament

Kiyonari Tetsuya | Komatsu Hideki B+R 2015-01-08 | Cho U W+2.5 2015-02-19 | Murakawa Daisuke B+R 2015-04-16 | Yamashita Keigo W+R 2015-04-30 | Yamashita Keigo W+R 2015-05-18
Komatsu Hideki
Cho U | Cho U W+R 2014-12-18
Matsumoto Takehisa
Cho Sonjin | Hane Naoki B+R 2014-12-11 | Murakawa Daisuke B+R 2015-02-26
Hane Naoki
Murakawa Daisuke | Murakawa Daisuke B+8.5 2015-01-19
Nakano Hironari
Iwamaru Taira | Iwamaru Taira B+R 2015-01-29 | Iwamaru Taira W+0.5 2015-02-19 | Yamashita Keigo B+3.5 2015-04-20
Yukawa Mitsuhisa
Ko Iso | Ko Iso B+R 2015-01-22
Sakai Hideyuki
Yamashita Keigo | Yamashita Keigo B+R 2014-12-11 | Yamashita Keigo B+R 2015-03-30
Iguchi Toyohide
Cho Riyu
Kono Rin | Kono Rin B+R 2015-03-05 | Kono Rin Void 2015-04-09 B+R 2015-04-13 | Kono Rin B+3.5 2015-05-11
Sada Atsushi | Cho Chikun B+R 2014-12-18
Cho Chikun
Mitani Tetsuya | Mitani Tetsuya B+R 2015-01-08 | Mitani Tetsuya W+R 2015-03-19
Kazama Jun
Ida Atsushi | Ida Atsushi B+1.5 2015-01-29
Honda Kunihisa
Tsuruyama Atsushi | Yuki Satoshi B+R 2015-01-22 | Yuki Satoshi B+R 2015-02-12 | Shida Tatsuya W+R 2015-04-02
Yuki Satoshi
O Rissei | Yoda Norimoto B+R 2014-12-25
Yoda Norimoto
Shida Tatsuya | Shida Tatsuya B+5.5 2015-01-29 | Shida Tatsuya W+R 2015-02-26
Ohashi Naruya
So Yokoku

The game between Kono Rin and Mitani Tetsuya on 2015-04-09 was void (quadruple ko) and was replayed on 2015-04-13 (Kono won).

## 40th Gosei title

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
2015-06-26 | Iyama Yuta | Yamashita Keigo | B+R | 171 | sgf
2015-07-20 | Yamashita Keigo | Iyama Yuta | B+R | 183 | sgf
2015-07-27 | Iyama Yuta | Yamashita Keigo | B+1.5 | 292 | sgf
2015-08-07 | Yamashita Keigo | Iyama Yuta | W+R | 122 | sgf

Iyama Yuta won 3-1.