Jūdan (Go)

The Jūdan (十段, "10 dan") is a Go competition in Japan. It is one of the seven major professional titles.

Jūdan (Go)
Full nameJūdan
Started1962
SponsorsSankei Shimbun
Prize money¥7 million
AffiliationNihon Ki-in

Description

The Jūdan[1] is a Go competition used by the Japanese Nihon-Kiin and Kansai-Kiin. It was started by the Sankei Shimbun newspaper in 1962. The format is similar to the other big titles in Japan. There is a preliminary tournament that decides the challenger. Although, there is something different about the preliminary tournament. Instead of single knockout, it is a double knockout tournament. There is a losers' section where if a player loses in the preliminary, they go to the losers' section. The winner of the losers' section plays the winner of the winners' section which ultimately decides the challenger for the title. The challenger then plays against the holder in a best of 5 match.

In the Jūdan competition, if a player wins the challenger section, they are promoted to 7 dan. Winning the title gives the player a promotion to 8 dan. If the player subsequently wins another of the second tier top titles (Gosei, Judan, Oza, Tengen), the player will be promoted to 9 dan.[2] The competition had a predecessor, named Hayago Meijin, that ran from 1956 to 1961.

Past winners
YearWinnerScoreRunner-up
11962Utaro Hashimoto3–1Dogen Handa
21963Dogen Handa3–1Utaro Hashimoto
31964Hosai Fujisawa3–2Dogen Handa
41965Kaku Takagawa3–1Hosai Fujisawa
51966Eio Sakata3–1Kaku Takagawa
619673–2Hosai Fujisawa
719683–1Hideyuki Fujisawa
81969Hideo Otake3–0Eio Sakata
91971Utaro Hashimoto3–2Hideo Otake
101972Eio Sakata3–2Utaro Hashimoto
1119733–0Shoichi Takagi
121974Shoji Hashimoto3–1Eio Sakata
131975Rin Kaiho3–0Shoji Hashimoto
141976Masao Kato3–2Rin Kaiho
1519773–0Eio Sakata
1619783–1Rin Kaiho
1719793–1Shoji Hashimoto
181980Hideo Otake3–2Masao Kato
1919813–0Shoji Hashimoto
201982Cho Chikun3–1Hideo Otake
211983Masao Kato3–2Cho Chikun
221984Koichi Kobayashi3–2Masao Kato
2319853–0Hideo Otake
2419863–0Masaki Takemiya
251987Masao Kato3–1Koichi Kobayashi
261988Cho Chikun3–2Masao Kato
2719893–0Rin Kaiho
281990Masaki Takemiya3–2Cho Chikun
2919913–2
3019923–1Koichi Kobayashi
311993Hideo Otake3–1Masaki Takemiya
3219943–2Koichi Kobayashi
331995Norimoto Yoda3–0Hideo Otake
3419963–1O Rissei
351997Masao Kato3–2Norimoto Yoda
361998Naoto Hikosaka3–2Masao Kato
371999Koichi Kobayashi3–0Naoto Hikosaka
3820003–0Hironari Nakano
392001O Rissei3–2Koichi Kobayashi
4020023–2Masaki Takemiya
4120033–2Shinji Takao
4220043–1Cho U
432005Cho Chikun3–2O Rissei
4420063–1Keigo Yamashita
4520073–2
462008Shinji Takao3–0Cho Chikun
472009Cho U3–1Shinji Takao
4820103–0Keigo Yamashita
492011Yuta Iyama3–2Cho U
5020123–1
512013Satoshi Yuki3–2Yuta Iyama
522014Shinji Takao3–2Satoshi Yuki
532015Ida Atsushi3–2Shinji Takao
542016Yuta Iyama3–1Atsushi Ida
5520173–1Yo Seiki
5620183–0Murakawa Daisuke
572019Murakawa Daisuke3–1Yuta Iyama
582020Toramaru Shibano3–1Murakawa Daisuke
592021Kyo Kagen3–2Toramaru Shibano
6020223–0Yo Seiki
612023Toramaru Shibano3–1Kyo Kagen

References
  1. "Title Information". nihonkiin.or.jp/english. Retrieved 19 July 2014.
  2. "Abolition of the rating tournament". nihonkiin.or.jp/english. Retrieved 4 July 2011.
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