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¥12 million
$118,395.74
£69,294.01
(as of July 2014)
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 that player defends the title the next year, they are promoted to 9 dan.[2] The competition had a predecessor, named Hayago Meijin, that ran from 1956 to 1961.

Past winners
YearWinnerScoreRunner-up
1962Utaro Hashimoto3–1Dogen Handa
1963Dogen Handa3–1Utaro Hashimoto
1964Hosai Fujisawa3–2Dogen Handa
1965Kaku Takagawa3–1Hosai Fujisawa
1966Eio Sakata3–1Kaku Takagawa
19673–2Hosai Fujisawa
19683–1Hideyuki Fujisawa
1969Hideo Otake3–0Eio Sakata
1971Utaro Hashimoto3–2Hideo Otake
1972Eio Sakata3–2Utaro Hashimoto
19733–0Shoichi Takagi
1974Shoji Hashimoto3–1Eio Sakata
1975Rin Kaiho3–0Shoji Hashimoto
1976Masao Kato3–2Rin Kaiho
19773–0Eio Sakata
19783–1Rin Kaiho
19793–1Shoji Hashimoto
1980Hideo Otake3–2Masao Kato
19813–0Shoji Hashimoto
1982Cho Chikun3–1Hideo Otake
1983Masao Kato3–2Cho Chikun
1984Koichi Kobayashi3–2Masao Kato
19853–0Hideo Otake
19863–0Masaki Takemiya
1987Masao Kato3–1Koichi Kobayashi
1988Cho Chikun3–2Masao Kato
19893–0Rin Kaiho
1990Masaki Takemiya3–2Cho Chikun
19913–2
19923–1Koichi Kobayashi
1993Hideo Otake3–1Masaki Takemiya
19943–2Koichi Kobayashi
1995Norimoto Yoda3–0Hideo Otake
19963–1O Rissei
1997Masao Kato3–2Norimoto Yoda
1998Naoto Hikosaka3–2Masao Kato
1999Koichi Kobayashi3–0Naoto Hikosaka
20003–0Hironari Nakano
2001O Rissei3–2Koichi Kobayashi
20023–2Masaki Takemiya
20033–2Shinji Takao
20043–1Cho U
2005Cho Chikun3–2O Rissei
20063–1Keigo Yamashita
20073–2
2008Shinji Takao3–0Cho Chikun
2009Cho U3–1Shinji Takao
20103–0Keigo Yamashita
2011Yuta Iyama3–2Cho U
20123–1
2013Satoshi Yuki3–2Yuta Iyama
2014Shinji Takao3–2Satoshi Yuki
2015Ida Atsushi3–2Shinji Takao
2016Yuta Iyama3–1Atsushi Ida
20173–1Yo Seiki
20183–0Murakawa Daisuke
2019Murakawa Daisuke3–1Yuta Iyama
2020Toramaru Shibano3–1Murakawa Daisuke
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gollark: Hey, I could implement that in potatOS.

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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