78th Honinbo
Organizers: Mainichi Shimbun, The Nihon Ki-in, Kansai Ki-in
Title match
Players | 1st round2023-05-18,19ShizuokaShizuoka | 2nd round2023-05-28,29NoshiroAkita | 3rd round2023-06-06,07ChiyodaTokyo | 4th round2023-06-20,21MoriguchiOsaka | 5th round2023-07-04,05KyotoKyoto | 6th round2023-07-11,12KofuYamanashi | 7th round2023-07-19,20TobaMie |
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Iyama Yuta (Honinbo) | B+R | B+R | W+R | ||||
Ichiriki Ryo (Kisei) | W+R | B+R | B+0.5 | W+R |
League
Rank | Players | I.R | Y.Z | K.K | S.T | T.A | M.K | F.A | O.Y | Result | |
---|---|---|---|---|---|---|---|---|---|---|---|
1 | Ichiriki Ryo(K) | - | W+R03-06 | B+R12-15 | W+R04-13 | B+R10-20 | W+R11-24 | B+R01-26 | W+R02-20 | 7-0 | C |
2 | Yu Zhengqi(8d) | X03-06 | - | X04-13 | X02-09 | W+R12-08 | B+R01-19 | W+3.510-03 | B+1.511-07 | 4-3 | 4 |
3 | Kyo Kagen(J) | X12-15 | B+R04-13 | - | W+R01-06 | B+R11-17 | W+R03-02 | X02-02 | W+R10-24 | 5-2 | 2 |
4 | Shibano Toramaru(M) | X04-13 | W+R02-09 | X01-06 | - | W+R03-30 | B+1.510-20 | W+R11-10 | B+R12-12 | 5-2 | 3 |
5 | Tsuruyama Atsushi(8d) | X10-20 | X12-08 | X11-17 | X03-30 | - | X02-16 | B+R04-13 | X01-12 | 1-6 | DM |
5 | Motoki Katsuya(8d) | X11-24 | X01-19 | X03-02 | X10-20 | B+R02-16 | - | W+R12-22 | X04-13 | 2-5 | DM |
5 | Fujita Akihiko(7d) | X01-26 | X10-03 | W+R02-02 | X11-10 | X04-13 | X12-22 | - | W+R03-09 | 2-5 | DM |
5 | Otake Yu(7d) | X02-20 | X11-07 | X10-24 | X12-12 | B+R01-12 | W+R04-13 | X03-09 | - | 2-5 | DM |
League scene
Player1(upper);winner Player2(lower);loser B|W+x.x|R ;result xx-xx ;date |
1 I.R |
2 Y.Z |
3 K.K |
4 S.T |
5 T.A |
5 M.K |
5 F.A |
5 O.Y |
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Round 1 (Oct.) |
Y.ZF.AW+3.510-03 | I.RT.AB+R10-20 | S.TM.KB+1.510-20 | K.KO.YW+R10-24 | 1-0 | 1-0 | 1-0 | 1-0 | 0-1 | 0-1 | 0-1 | 0-1 |
Round 2 (Nov.) |
Y.ZO.YB+1.511-07 | S.TF.AW+R11-10 | K.KT.AB+R11-17 | I.RM.KW+R11-24 | 2-0 | 2-0 | 2-0 | 2-0 | 0-2 | 0-2 | 0-2 | 0-2 |
Round 3 (Dec.) |
Y.ZT.AW+R12-08 | S.TO.YB+R12-12 | I.RK.KB+R12-15 | M.KF.AW+R12-22 | 3-0 | 3-0 | 2-1 | 3-0 | 0-3 | 1-2 | 0-3 | 0-3 |
Round 4 (Jan.) |
K.KS.TW+R01-06 | O.YT.AB+R01-12 | Y.ZM.KB+R01-19 | I.RF.AB+R01-26 | 4-0 | 4-0 | 3-1 | 3-1 | 0-4 | 1-3 | 0-4 | 1-3 |
Round 5 (Feb.) |
F.AK.KW+R02-02 | S.TY.ZW+R02-09 | M.KT.AB+R02-16 | I.RO.YW+R02-20 | 5-0 | 4-1 | 3-2 | 4-1 | 0-5 | 2-3 | 1-4 | 1-4 |
Round 6 (Mar.) |
K.KM.KW+R03-02 | I.RY.ZW+R03-06 | F.AO.YW+R03-09 | S.TT.AW+R03-30 | 6-0 | 4-2 | 4-2 | 5-1 | 0-6 | 2-4 | 2-4 | 1-5 |
Round 7 (Apr.) |
Y.ZK.KB+R04-13 | T.AF.AB+R04-13 | I.RS.TW+R04-13 | M.KO.YW+R04-13 | 7-0 | 4-3 | 5-2 | 5-2 | 1-6 | 2-5 | 2-5 | 2-5 |
Result | C | 4 | 2 | 3 | DM | DM | DM | DM | ||||
Age | at 2022-09-29 | 25 | 27 | 24 | 22 | 41 | 27 | 30 | 20 | |||
Registered | Honinbo and league(years) | 6 | 7 | 4 | 6 | 3 | 5 | 1 | 1 | |||
Win-Loss | 2022-09-29(win-loss) | 35-18 | 28-20 | 20-12 | 26-13 | 22-11 | 20-17 | 25-7 | 27-7 | |||
Percentage | 2022-09-29(%) | 66 | 58 | 62 | 67 | 67 | 54 | 78 | 79 | |||
Ranking | 2020-09-29 | 3 | 7 | 27 | 11 | 18 | 27 | 13 | 9 |
The last preliminary tournament
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Players 1st round Semifinals Final Awaji Shuzo(9d) Murakawa DaisukeB+R06-30 Fujisawa RinaW+R08-11 Otake YuW+R09-08 Murakawa Daisuke(9d) Fujisawa Rina(5d) Fujisawa RinaB+R07-07 Nakamura Shinya(9d) Uchida Shuhei(8d) Uchida ShuheiW+R06-27 Otake YuB+R07-21 Rin Kanketsu(8d) Otake Yu(6d) Otake YuB+R06-30 Sada Atsushi(7d) -
Players 1st round Semifinals Final Ida Atsushi(9d) Ida AtsushiB+R06-30 Ida AtsushiW+5.507-25 Fujita AkihikoB+R08-18 Nishioka Masao(3d) Son Makoto(7d) Kono RinB+0.506-30 Kono Rin(9d) Numadate Sakiya(7d) Fujita AkihikoB+4.506-23 Fujita AkihikoB+R08-04 Fujita Akihiko(7d) Yuki Satoshi(9d) Hane NaokiB+R07-14 Hane Naoki(9d) -
Players 1st round Semifinals Final Imamura Yoshiaki(9d) Ogata MasakiW+R07-07 Hirata TomoyaW+R08-04 Tsuruyama AtsushiB+R09-08 Ogata Masaki(9d) Suzuki Shinji(7d) Hirata TomoyaW+4.507-21 Hirata Tomoya(7d) Hikosaka Naoto(9d) Hikosaka NaotoB+R07-07 Tsuruyama AtsushiW+R08-04 Ueno Asami(4d) Kato Yuki(7d) Tsuruyama AtsushiW+13.507-04 Tsuruyama Atsushi(8d) -
Players 1st round Semifinals Final Koike Yoshihiro(7d) Cho UW+R06-23 Cho UW+R07-21 Motoki KatsuyaW+R08-25 Cho U(9d) Yata Naoki(9d) So YokokuB+R07-04 So Yokoku(9d) Onishi Ryuhei(7d) Onishi RyuheiB+R07-07 Motoki KatsuyaB+R08-08 Hirose Yuichi(6d) Ha Youngil(6d) Motoki KatsuyaW+11.507-11 Motoki Katsuya(8d)
Preliminary tournament A
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Players 1st round Final Cho Sonjin(9d) Cho SonjinB+2.505-05 Hirata TomoyaB+9.505-30 Matsumoto Takehisa(8d) Hirata Tomoya(7d) Hirata TomoyaW+8.505-09 Han Zenki(8d) -
Players 1st round Final Shiraishi Yuichi(7d) Ueno AsamiW+3.505-09 Ueno AsamiB+4.506-09 Ueno Asami(4d) Tsuneishi Takashi(5d) Tsuneishi TakashiB+R04-28 Kono Takashi(8d) -
Players 1st round Final Kobayshi Koichi(HK) Tajiri YutoB+2.504-28 Koike YoshihiroW+5.506-06 Tajiri Yuto(5d) Koike Yoshihiro(7d) Koike YoshihiroW+R05-05 Yo Kagen(9d) -
Players 1st round Final Onishi Ryuhei(7d) Onishi RyuheiW+R04-28 Onishi RyuheiW+R05-30 Cho Riyu(8d) Takeuchi Kosuke(4d) Takeuchi KosukeW+R05-05 Chinen Kaori(6d) -
Players 1st round Final Nakamura Shinya(9d) Nakamura ShinyaB+R05-02 Nakamura ShinyaW+5.505-23 Kono Mitsuki(8d) O Rissei(9d) O RisseiB+R05-05 Takanashi Seiken(9d) -
Players 1st round Final Akiyama Jiro(9d) So YokokuB+R05-02 So YokokuW+R06-02 So Yokoku(9d) Takao Shinji(9d) Takao ShinjiW+R05-02 Miura Taro(2d) -
Players 1st round Final Seki Kotaro(T) Rin KanketsuB+1.505-02 Rin KanketsuB+R06-09 Rin Kanketsu(8d) Cho Zuiketsu(5d) Cho ZuiketsuB+R04-28 Rafif Shidqi Fitrah(1d) -
Players 1st round Final Mizokami Tomochika(9d) Fujisawa RinaW+7.504-28 Fujisawa RinaW+1.506-13 Fujisawa Rina(5d) Yo Chito(6d) Hashimoto YujiroW+R04-28 Hashimoto Yujiro(9d) -
Players 1st round Final Inaba Takahiro(4d) Sakai YukiB+R04-28 Numadate SakiyaW+3.505-19 Sakai Yuki(3d) Numadate Sakiya(7d) Numadate SakiyaB+R04-28 Ri Ishu(8d) -
Players 1st round Final Suzuki Shinji(7d) Suzuki ShinjiB+R04-28 Suzuki ShinjiW+R05-23 Ohashi Hirofumi(7d) Anzai Nobuaki(7d) Anzai NobuakiB+0.504-28 Fujii Koki(1d) -
Players 1st round Final Suzuki Ayumi(7d) Mimura TomoyasuW+1.505-02 Son MakotoDefault06-16 Mimura Tomoyasu(9d) Son Makoto(7d) Son MakotoW+R05-02 Obuchi Kotaro(5d) -
Players 1st round Final Ko Iso(9d) Hirose YuichiB+R05-09 Hirose YuichiW+0.505-26 Hirose Yuichi(6d) Kobayashi Satoru(9d) Kobayashi SatoruW+0.504-28 Mitani Tetsuya(8d) -
Players 1st round Final Koyama Kuya(5d) Koyama KuyaB+R05-05 Cho UW+R05-30 Xie Yimin(7d) Oomote Takuto(3d) Cho UW+R04-28 Cho U(9d) -
Players 1st round Final Uchida Shuhei(8d) Uchida ShuheiW+R05-02 Uchida ShuheiW+6.506-09 Iguchi Toyohide(8d) Kudo Norio(9d) Yamashita KeigoB+R05-02 Yamashita Keigo(9d) -
Players 1st round Final Kuwabara Shun(3d) Kuwabara ShunW+R05-26 Fujita AkihikoB+R06-09 Morita Michihiro(9d) Morita MichihiroB+0.505-02 Shuto Shun(8d) Fujita Akihiko(7d) Fujita AkihikoW+R05-09 Toyoda Hirohito(2d) -
Players 1st round Final Awaji Shuzo(9d) Awaji ShuzoW+R05-26 Awaji ShuzoB+4.506-13 Ito Masashi(5d) O MeienW+2.504-28 O Meien(9d) Fukuoka Kotaro(3d) Fukuoka KotaroB+4.505-05 Aoki Hirotaka(2d)
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Players 1st round Final Ida Atsushi(8d) Ida AtsushiW+R05-05 Ida AtsushiW+R05-26 Takabayashi Masahiro(7d) O Keii(3d) O KeiiB+4.504-28 Mutsuura Yuta(7d) -
Players 1st round Final Enda Hideki(9d) Nakane NaoyukiB+1.504-28 Hikosaka NaotoB+0.505-26 Nakane Naoyuki(9d) Tsuruta Kazushi(6d) Hikosaka NaotoW+0.505-02 Hikosaka Naoto(9d) -
Players 1st round Final Nakahama Konosuke(1d) Bian WenkaiB+R04-28 Ogata MasakiB+R05-26 Bian Wenkai(3d) Kikkawa Hajime(4d) Ogata MasakiW+R05-02 Ogata Masaki(9d) -
Players 1st round Final Kato Yuki(7d) Kato YukiB+3.504-28 Kato YukiW+0.506-02 Horimoto Mitsunari(5d) Yanagisawa Satoshi(6d) Muramoto WataruW+R05-05 Muramoto Wataru(4d) -
Players 1st round Final Yamada Kimio(9d) Yamada KimioB+3.504-28 Nishioka MasaoB+R06-02 Shida Tatsuya(8d) Nishioka Masao(3d) Nishioka MasaoW+R04-28 Kawada Kohei(6d) -
Players 1st round Final Shimojima Yohei(8d) Imamura YoshiakiB+R05-19 Imamura YoshiakiB+1.506-02 Imamura Yoshiaki(9d) Muramatsu Hiroki(6d) Ohashi NaruyaW+R05-05 Ohashi Naruya(7d) -
Players 1st round Final Tanaka Nobuyuki(4d) Nakano HironariB+1.504-28 Otake YuW+6.506-09 Nakano Hironari(9d) Otake Yu(6d)
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Players 1st round Semifinals Final Nishi Takenobu(5d) Nishi TakenobuW+R02-24 Nishi TakenobuW+5.503-23 Murakawa DaisukeB+4.504-07 Omote Yuto(1d) Hashimoto Kan(3d) Imabun TaroW+1.501-26 Imabun Taro(2d) Tsuji Shigehito(3d) Tsuji ShigehitoB+R02-09 Murakawa DaisukeW+3.502-24 Yamanouchi Masaki(6d) Taguchi Misei(2d) Murakawa DaisukeB+R01-19 Murakawa Daisuke(9d) -
Players 1st round Semifinals Final Taniguchi Toru(5d) Taniguchi ToruDefault02-02 Yata NaokiW+R03-02 Yata NaokiB+R03-23 Kan Minu(4d) Shintani Yosuke(3d) Yata NaokiB+R02-16 Yata Naoki(9d) Tanaka Koyu(3d) Abe YoshikiW+R02-16 Sato YutaDefault03-09 Abe Yoshiki(3d) Sato Yuta(3d) Sato YutaW+R01-26 Wu Boyi(5d) -
Players 1st round Semifinals Final Kiyonari Tetsuya(9d) Yukawa MitsuhisaW+4.502-16 Ha YoungilW+R03-09 Ha YoungilB+R03-30 Yukawa Mitsuhisa(9d) Mishima Hibiki(1d) Ha YoungilB+R02-16 Ha Youngil(6d) Fujii Shuya(8d) Hatanaka HoshinobuB+R02-23 Seto TaikiW+R03-09 Hatanaka Hoshinobu(5d) Okawa Takuya(2d) Seto TaikiW+R01-26 Seto Taiki(8d) -
Players 1st round Semifinals Final Yuki Satoshi(9d) Yuki SatoshiDefault01-20 Yuki SatoshiW+5.504-27 Yuki SatoshiB+R05-11 Mine Yasuhiro(4d) Ota Ryo(1d) Kurahashi MasayukiW+1.503-02 Kurahashi Masayuki(9d) Watanabe Kandai(2d) Watanabe KandaiB+R03-23 Nakano YasuhiroB+R04-14 Ushikubo Yoshitaka(9d) Nakano Yasuhiro(9d) Nakano YasuhiroW+R02-23 Hon Akiyoshi(5d)