Oza

65th Oza-sen

Host Organization : Nihon Keizai Shimbun

Title match

Players 1st round
10-20
Yokohama
Kanagawa
2nd round
11-18
Kobe
Hyogo
3rd round
11-20
Kobe
Hyogo
4th round
12-01
Sendai
Miyagi
5th round
12-15
Uonuma
Nigata
Iyama Yuta (Oza) W+R B+4.5 W+R    
Ichiriki Ryo (8 dan)          
Iyama Yuta kept the title by 3-0.

Tournament table

Players 1st round 2nd round Semifinals Challenger
decision
match
Yu Zhengqi(7d) Yu Zhengqi
B+R
05-15
Shibano T
W+R
06-29
Shibano T
W+0.5
08-07
Ichiriki R
B+1.5
08-25
Han Zenki(8d)
Shibano Toramaru(7d) Shibano T
W+0.5
05-18
Mizokami Tomochika(9d)
Cho Riyu(8d) Nakano H
W+7.5
06-01
Nakano H
B+1.5
07-13
Nakano Hironari(9d)
Ida Atsushi(8d) Ida A
W+0.5
05-18
O Rissei(9d)
Rin Kanketsu(7d) Hane N
W+R
05-25
Ichiriki R
B+R
06-22
Ichiriki R
W+R
08-10
Hane Naoki(9d)
Shida Tatsuya(7d) Ichiriki R
B+R
05-18
Ichiriki Ryo(7d)
Ishii Kunio(9d) Son M
W+R
06-01
Son M
W+R
07-13
Son Makoto(5d)
Takao Shinji(M) Takao S
B+R
05-25
Oba Junya(7d)
Note;
  (M); Meijin

History;
  2017-04-28 Table was created.
  2017-05-12,19,26 Updated.
  2017-06-02,16,24 Updated.
  2017-07-01,07,15 Updated.
  2017-08-04,11,25 Updated.
  2017-10-20 Updated.
  2017-11-21 Updated.

The last preliminary tournament

Players 1st round Final
O Rissei(9d) O Rissei
B+R
04-13
Sakai Hideyuki(8d) Mutsuura Y
B+R
03-23
Mutsuura Yuta(3d)
Sonoda Yuichi(9d) Son M
W+9.5
04-13
Son Makoto(5d) Son M
B+R
02-20
Ko Iso(8d)
Han Zenki(8d) Han Zenki
B+0.5
04-06
Seto Taiki(8d) Seto T
W+R
02-23
Adachi Toshimasa(4d)
Yukawa Mitsuhisa(9d) Ishii K
W+R
03-16
Ishii Kunio(9d) Ishii K
B+4.5
02-09
Cho Sonjin(9d)
Komatsu Hideki(9d) Hane N
B+R
03-09
Tanaka Nobuyuki(3d) Hane N
B+R
02-23
Hane Naoki(9d)
Yamashita Keigo(9d) Shibano T
W+4.5
03-16
Okada Shinichiro(8d) Shibano T
B+R
02-09
Shibano Toramaru(3d)
Yuki Satoshi(9d) Nakano H
B+R
04-20
Murakawa Daisuke(8d) Nakano H
W+0.5
03-16
Nakano Hironari(9d)
Tsuruta Kazushi(4d) Ichiriki R
W+R
03-23
Hikosaka Naoto(9d) Ichiriki R
B+1.5
03-09
Ichiriki Ryo(7d)
Cho Riyu(8d) Cho Riyu
B+R
03-30
Numadate Sakiya(5d) Kono R
B+R
02-27
Kono Rin(9d)
Ri Ishu(7d) Rin Kanketsu
W+0.5
03-02
Ryu Shikun(9d) Rin Kanketsu
B+R
02-16
Rin Kanketsu(7d)
Imamura Toshiya(9d) Shida T
W+3.5
02-23
Shida Tatsuya(7d)
Mizokami Tomochika(9d) Mizokami T
W+R
02-09
Morita Michihiro(9d)
Yun Chunho(3d) Oba J
W+R
02-23
Oba Junya(7d)
History;
  2017-01-27 Page was created.
  2017-02-03,10,17,24 Updated.
  2017-03-03,10,17,25,31 Updated.
  2017-04-08,14,21 Updated.