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
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
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

  • Players1st roundSemifinalsFinal
    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)
  • Players1st roundSemifinalsFinal
    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)
  • Players1st roundSemifinalsFinal
    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)
  • Players1st roundSemifinalsFinal
    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

  • Players1st roundFinal
    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)
  • Players1st roundFinal
    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)
  • Players1st roundFinal
    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)
  • Players1st roundFinal
    Onishi Ryuhei(7d) Onishi RyuheiW+R04-28 Onishi RyuheiW+R05-30
    Cho Riyu(8d)
    Takeuchi Kosuke(4d) Takeuchi KosukeW+R05-05
    Chinen Kaori(6d)
  • Players1st roundFinal
    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)
  • Players1st roundFinal
    Akiyama Jiro(9d) So YokokuB+R05-02 So YokokuW+R06-02
    So Yokoku(9d)
    Takao Shinji(9d) Takao ShinjiW+R05-02
    Miura Taro(2d)
  • Players1st roundFinal
    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)
  • Players1st roundFinal
    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)
  • Players1st roundFinal
    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)
  • Players1st roundFinal
    Kono Rin(9d) Kono RinW+6.505-02 Kono RinB+R06-02
    Nakamura Sumire(2d)
    Yokotsuka Riki(7d) Yokotsuka RikiW+R05-05
    Yamada Takuji(8d)
  • Players1st roundFinal
    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)
  • Players1st roundFinal
    Suzuki Ayumi(7d) Mimura TomoyasuW+1.505-02 Son MakotoDefault06-16
    Mimura Tomoyasu(9d)
    Son Makoto(7d) Son MakotoW+R05-02
    Obuchi Kotaro(5d)
  • Players1st roundFinal
    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)
  • Players1st roundFinal
    Koyama Kuya(5d) Koyama KuyaB+R05-05 Cho UW+R05-30
    Xie Yimin(7d)
    Oomote Takuto(3d) Cho UW+R04-28
    Cho U(9d)
  • Players1st roundFinal
    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)
  • Players1st roundFinal
    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)
  • Players1st roundFinal
    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)
  • Players1st roundFinal
    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)
  • Players1st roundFinal
    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)
  • Players1st roundFinal
    Nakahama Konosuke(1d) Bian WenkaiB+R04-28 Ogata MasakiB+R05-26
    Bian Wenkai(3d)
    Kikkawa Hajime(4d) Ogata MasakiW+R05-02
    Ogata Masaki(9d)
  • Players1st roundFinal
    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)
  • Players1st roundFinal
    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)
  • Players1st roundFinal
    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)
  • Players1st roundFinal
    Tanaka Nobuyuki(4d) Nakano HironariB+1.504-28 Otake YuW+6.506-09
    Nakano Hironari(9d)
    Otake Yu(6d)
  • 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)