63rd Oza-sen
Host Organization : Nihon Keizai Shimbun
Title match
| Players | 1st round 10-20 Sendai Miyagi |
2nd round 11-12 Yakage Okayama |
3rd round 11-19 Kobe Hyogo |
4th round 12-03 Yokohama Kanagawa |
5th round 12-10 Kofu Yamanashi |
|---|---|---|---|---|---|
| Murakawa Daisuke (Oza) | |||||
| Iyama Yuta (Kisei) | B+0.5 | W+R | B+R |
Iyama Yuta got the title by 3-0.
The win-loss records; Murakawa Daisuke 3-7 Iyama Yuta.
The win-loss records; Murakawa Daisuke 3-7 Iyama Yuta.
Tournament table
| Players | 1st round | 2nd round | Semifinals | Challenger decision match |
|---|---|---|---|---|
| Iyama Yuta(K) | Iyama Y W+R 06-11 |
Iyama Y W+R 07-13 |
Iyama Y B+R 08-17 |
Iyama Y B+R 09-07 |
| Matsuoka Hideki(9d) | ||||
| Nakane Naoyuki(8d) | Ichiriki R B+8.5 06-04 | |||
| Ichiriki Ryo(7d) | ||||
| Kyo Kagen(3d) | Kyo Kagen B+R 06-29 |
Yuki S B+R 08-03 | ||
| Yun Chunho(3d) | ||||
| Yuki Satoshi(9d) | Yuki S B+R 06-22 | |||
| Yamashiro Hiroshi(9d) | ||||
| Rin Kanketsu(7d) | Rin Kanketsu B+R 06-04 |
Ko Iso W+0.5 08-06 |
Yu Zhengqi W+2.5 08-24 | |
| Anzai Nobuaki(7d) | ||||
| Ko Iso(8d) | Ko Iso W+1.5 06-25 | |||
| Mizokami Tomochika(9d) | ||||
| Cho U(9d) | Cho U B+R 06-29 |
Yu Zhengqi W+R 08-03 | ||
| Tsuruta Kazushi(3d) | ||||
| Kono Rin(9d) | Yu Zhengqi W+R 07-06 | |||
| Yu Zhengqi(7d) |
History; 2015-05-22 Page was created. 2015-05-30 Updated. 2015-06-06,12,20,26 Updated. 2015-07-04,10,18,31 Updated. 2015-08-08,14,21,28 Updated. 2015-09-04,09 Updated. 2015-10-22 Updated. 2015-11-13,19 Updated.
The last preliminary tournament
| Players | 1st round | Final |
|---|---|---|
| Anzai Nobuaki(7d) | Anzai N B+0.5 04-23 | |
| Cho Sonjin(9d) | Son M B+R 04-09 | |
| Son Makoto(3d) | ||
| Sakai Hideyuki(8d) | Mizokami T W+R 04-02 | |
| Mizokami Tomochika(9d) | Mizokami T W+1.5 03-12 | |
| Cho Chikun(25H) | ||
| Ko Iso(8d) | Ko Iso W+R 05-18 | |
| Hane Naoki(9d) | Hane N B+R 04-02 | |
| Shuto Shun(7d) | ||
| O Meien(9d) | Yamashiro H W+R 05-07 | |
| Han Zenki(8d) | Yamashiro H W+1.5 04-02 | |
| Yamashiro Hiroshi(9d) | ||
| Shida Tatsuya(7d) | Ichiriki R B+R 04-30 | |
| Mimura Tomoyasu(9d) | Ichiriki R W+R 03-12 | |
| Ichiriki Ryo(7d) | ||
| Kyo Kagen(3d) | Kyo Kagen W+1.5 05-04 | |
| Yamashita Keigo(9d) | Kataoka S B+1.5 04-09 | |
| Kataoka Satoshi(9d) | ||
| Yun Chunho(3d) | Yun Chunho B+11.5 05-14 | |
| Nakano Hironari(9d) | Nakano H W+R 04-09 | |
| Seto Taiki(7d) | ||
| Imamura Toshiya(9d) | Yu Zhengqi W+1.5 04-09 | |
| Oba Junya(7d) | Yu Zhengqi W+R 03-05 | |
| Yu Zhengqi(7d) | ||
| Yoda Norimoto(9d) | Kono R B+5.5 04-30 | |
| Kono Rin(9d) | Kono R B+R 03-26 | |
| Adachi Toshimasa(3d) | ||
| Cho U(9d) | Cho U B+R 05-07 | |
| Kim Sujun(8d) | ||
| Tsuruta Kazushi(3d) | Tsuruta K B+0.5 04-09 | |
| Sada Atsushi(2d) | ||
| Nakane Naoyuki(8d) | Nakane N W+6.5 03-19 | |
| O Rissei(9d) | ||
| Matsuoka Hideki(9d) | Matsuoka H B+R 04-16 | |
| Matsumoto Takehisa(7d) | ||
Note; (25H); 25th Honinbo History; 2015-02-20 Page was created. 2015-02-28 Updated. 2015-03-07,14,20,28 Updated. 2015-04-03,10,17,24 Updated. 2015-05-01,09,15,22 Updated.