Oza

66th Oza-sen

Host Organization : Nihon Keizai Shimbun

Title Match

Players 1st round
10-26
Meguro
Tokyo
2nd round
11-17
Shima
Mie
3rd round
11-19
Shima
Mie
4th round
11-30
Minamiuonuma
Nigata
5th round
12-13
Kofu
Yamanashi
Iyama Yuta (Oza)
Ichiriki Ryo (8 dan) W+2.5
The win-loss records; Iyama Yuta 15-4 Ichiriki Ryo.

Tournament table

Players 1st round 2nd round Semifinals Challenger
decision
match
Ichiriki Ryo(8d) Ichiriki R
B+R
05-17
Ichiriki R
B+R
07-26
Ichiriki R
B+R
08-13
Ichiriki R
B+R
09-13
Takao Shinji(9d)
Son Makoto(6d) Kono R
W+R
05-31
Kono Rin(9d)
Murakawa Daisuke(8d) Murakawa D
B+R
05-03
Murakawa D
W+R
07-23
Rin Shien(8d)
Shibano Toramaru(7d) Hikosaka N
W+2.5
05-24
Hikosaka Naoto(9d)
Hane Naoki(9d) Hane N
B+R
05-10
Motoki K
W+3.5
06-28
Motoki K
B+0.5
08-13
Mizokami Tomochika(9d)
Mutsuura Yuta(7d) Motoki K
W+R
05-24
Motoki Katsuya(8d)
Cho U(9d) Yu Zhengqi
W+0.5
05-31
Kyo Kagen
W+R
07-02
Yu Zhengqi(7d)
Kyo Kagen(G) Kyo Kagen
W+0.5
05-31
Kobayashi Satoru(9d)

The last preliminary tournament

Players 1st round Final
Rin Shien(8d) Rin Shien
B+R
03-08
Ri Ishu(8d) Ri Ishu
B+1.5
02-01
Ida Atsushi(8d)
Rin Kanketsu(7d) Hikosaka N
B+R
03-01
Seto Taiki(8d) Hikosaka N
W+R
02-08
Hikosaka Naoto(9d)
Cho U(9d) Cho U
W+R
02-22
Numadate Sakiya(6d) Numadate S
W+R
02-08
Matsuoka Hideki(9d)
O Rissei(9d) Hane N
B+R
03-22
Yamashiro Hiroshi(9d) Hane N
B+R
01-25
Hane Naoki(9d)
Motoki Katsuya(8d) Motoki K
W+R
03-29
Ishii Kunio(9d) Mitani T
W+1.5
02-01
Mitani Tetsuya(7d)
Oba Junya(7d) Mizokami T
W+R
03-06
Mizokami Tomochika(9d) Mizokami T
W+R
02-01
Imamura Toshiya(9d)
Shida Tatsuya(7d) Son M
W+0.5
02-08
Yamada Kimio(9d) Son M
W+R
01-18
Son Makoto(6d)
Murakawa Daisuke(8d) Murakawa D
W+R
03-29
Morita Michihiro(9d) Han Zenki
B+R
02-01
Han Zenki(8d)
Mutsuura Yuta(7d) Mutsuura Y
W+R
03-29
Yamashita Keigo(9d) Yamashita K
B+R
03-08
Yun Chunho(3d)
Nakano Hironari(9d) Yu Zhengqi
B+8.5
02-15
Yu Zhengqi(7d)
Cho Riyu(8d) Kyo Kagen
B+R
03-08
Kyo Kagen(7d)
Cho Sonjin(9d) Kobayashi S
W+R
02-08
Kobayashi Satoru(9d)
Kono Rin(9d) Kono R
B+2.5
02-22
Tsuruta Kazushi(5d)