80th Honinbo
Organizers: Mainichi Shimbun, The Nihon Ki-in, Kansai Ki-in
Sponsors: Daiwa Securities Co.Ltd.
Tournament table
| Players | 1st round | 2nd round | Semifinals | Challenger decision match |
|---|---|---|---|---|
| Yu Zhengqi(8d) | Yu ZhengqiW+1.502-20 | Son MakotoB+0.503-27 | 04-03 | |
| Ida Atsushi(9d) | ||||
| Seto Taiki(8d) | Son MakotoB+R02-27 | |||
| Son Makoto(7d) | ||||
| Ueno Asami(6d) | Ueno AsamiB+R02-20 | Ueno AsamiW+R03-20 | ||
| Omote Yuto(3d) | ||||
| Murakawa Daisuke(9d) | Murakawa DaisukeW+R02-17 | |||
| Otake Yu(7d) | ||||
| Adachi Toshimasa(7d) | Koike YoshihiroB+2.502-06 | Kyo KagenB+R03-06 | 03-31 | |
| Koike Yoshihiro(7d) | ||||
| Motoki Katsuya(9d) | Kyo KagenB+R02-13 | |||
| Kyo Kagen(9d) | ||||
| Takashima Yugo(4d) | Iyama YutaB+R02-10 | Shibano ToramaruB+R03-24 | ||
| Iyama Yuta(O) | ||||
| Koyama Kuya(7d) | Shibano ToramaruB+R02-13 | |||
| Shibano Toramaru(9d) |
The last preliminary tournament
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Players Final Hon Akiyoshi(5d) Iyama YutaB+R12-19 Iyama Yuta(O) -
Players Final Shida Tatsuya(8d) Motoki KatsuyaB+0.501-06 Motoki Katsuya(9d) -
Players Final Fujisawa Rina(7d) Anzai NobuakiB+R01-23 Anzai Nobuaki(8d) -
Players Final Ueno Asami(6d) Ueno AsamiW+R01-16 Fujita Akihiko(7d) -
Players Final Nakane Naoyuki(9d) Takashima YugoB+R12-19 Takashima Yugo(4d) -
Players Final Ida Atsushi(9d) Ida AtsushiW+R01-16 Tanaka Koyu(5d) -
Players Final Hirata Tomoya(8d) Otake YuW+0.501-23 Otake Yu(7d) -
Players Final Seki Kotaro(9d) Koike YoshihiroW+R12-16 Koike Yoshihiro(7d) -
Players Final Kono Rin(9d) Koyama KuyaW+R12-05 Koyama Kuya(6d) -
Players Final Omote Yuto(2d) Omote YutoW+5.512-23 Takao Shinji(9d) -
Players Final Fukuoka Kotaro(7d) Kyo KagenW+R01-27 Kyo Kagen(9d) -
Players Final Murakawa Daisuke(9d) Murakawa DaisukeW+R01-09 Nakaonoda Tomomi(9d) -
Players Final Seto Taiki(8d) Seto TaikiW+R12-12 Hirose Yuichi(7d) -
Players Final Son Makoto(7d) Son MakotoW+R12-19 Yuki Satoshi(9d)
Preliminary tournament A
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Players 1st round Final Shuto Shun(8d) Shuto ShunW+R09-26 Nakaonoda TomomiB+R10-31 Cho Kosumi(1d) Nakaonoda Tomomi(9d) Nakaonoda TomomiW+3.510-03 Tsuji Hana(3d) -
Players 1st round Final Anzai Nobuaki(8d) Anzai NobuakiB+7.510-10 Anzai NobuakiB+R10-31 Yi Liao(3d) Nyu Eiko(4d) Cho SonjinB+R09-30 Cho Sonjin(9d) -
Players 1st round Final Kobayashi Satoru(9d) Rin KanketsuW+R10-03 Fujisawa RinaB+R11-21 Rin Kanketsu(8d) Fujisawa Rina(7d) Fujisawa RinaB+R10-07 Ko Iso(9d) -
Players 1st round Final Tsuruyama Atsushi(8d) Ito MasashiB+R09-30 Takao ShinjiW+R11-04 Ito Masashi(5d) Kurotaki Masanori(8d) Takao ShinjiB+R10-10 Takao Shinji(9d)
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Players 1st round Final Otake Yu(7d) Otake YuW+R10-03 Otake YuW+R11-14 Kato Yuki(7d) Mito Shuhei(3d) Mito ShuheiW+6.510-31 Ohashi Naruya(8d) -
Players 1st round Final Ida Atsushi(9d) Ida AtsushiB+R10-10 Ida AtsushiB+R10-31 Otani Naoki(4d) Tsuruta Kazushi(6d) Tsuruta KazushiW+R10-10 Hikosaka Naoto(9d)