Ōza (Go)

Ōza (王座, "throne") is a title in Go. The association that holds this title is the Japanese Nihon Ki-in. It is sponsored by the Nikkei newspaper.

Not to be confused with World Oza.
Ōza (Go)
Full nameŌza
Started1953
Honorary WinnersMasao Kato
SponsorsThe Nikkei
Prize money¥14 million
$173,000
(as of 2 July 2011)
AffiliationNihon Ki-in

Outline

Recently, the format for the tournament was changed to a best of five. The challenger is decided in a tournament of 16 players, other than the title player.[1] The winner's purse is ¥14 million ($173,000).[2]

Past winners
EditionYearWinnerScoreRunner-up
1st1953Utaro Hashimoto1–0Nobuaki Maeda
2nd1954Kaku Takagawa2–1Hidehiro Miyashita
3rd1955Utaro Hashimoto2–1Toshihiro Shimamura
4th19562–0Eio Sakata
5th1957Toshihiro Shimamura2–0Dogen Handa
6th1958Hosai Fujisawa2–0
7th1959Shoji Hashimoto2–0Toshiro Yamabe
8th1960Dogen Handa2–0Hidehiro Miyashita
9th1961Eio Sakata2–1Kaku Takagawa
10th1962Hidehiro Miyashita2–0Katsuji Kada
11th1963Eio Sakata2–0Hosai Fujisawa
12th19642–0Takeo Kajiwara
13th1965Dogen Handa2–0Ichigen Okubo
14th1966Eio Sakata2–1Rin Kaiho
15th1967Hideyuki Fujisawa2–0Shoji Hashimoto
16th19682–0Eio Sakata
17th19692–0Hideo Otake
18th1970Eio Sakata2–0Hideyuki Fujisawa
19th19712–0Shoji Hashimoto
20th19722–1Utaro Hashimoto
21st1973Rin Kaiho2–1Eio Sakata
22nd1974Yoshio Ishida2–1Rin Kaiho
23rd1975Hideo Otake2–0Yoshio Ishida
24th1976Cho Chikun2–1Hideo Otake
25th1977Norio Kudo2–0Cho Chikun
26th1978Yoshio Ishida2–1Norio Kudo
27th1979Masao Kato2–0Yoshio Ishida
28th19802–0
29th1981Shoji Hashimoto2–1Masao Kato
30th1982Masao Kato2–0Shoji Hashimoto
31st19832–0Hideo Otake
32nd19843–0Hiroshi Yamashiro
33rd19853–0Koichi Kobayashi
34th19863–1Rin Kaiho
35th19873–1Cho Chikun
36th19883–0Masaki Takemiya
37th19893–1Yasumasa Hane
38th1990Yasumasa Hane3–2Masao Kato
39th1991Hideyuki Fujisawa3–1Yasumasa Hane
40th19923–2Koichi Kobayashi
41st1993Masao Kato3–0Hideyuki Fujisawa
42nd1994Cho Chikun3–2Masao Kato
43rd1995O Rissei3–0Cho Chikun
44th1996Ryu Shikun3–0O Rissei
45th1997Kimio Yamada3–1Ryu Shikun
46th1998O Rissei3–0Kimio Yamada
47th19993–1Cho Chikun
48th20003–1
49th2001Cho Chikun3–0O Rissei
50th2002O Meien3–2Cho Chikun
51st2003Cho U3–1O Meien
52nd20043–1Keigo Yamashita
53rd20053–0
54th2006Keigo Yamashita3–1Cho U
55th20073–1Toshiya Imamura
56th2008Cho U3–1Keigo Yamashita
57th20093–0Kimio Yamada
58th20103–0
59th20113–0Hane Naoki
60th2012Yuta Iyama3–0Cho U
61st20133–1
62nd2014Daisuke Murakawa3–2Yuta Iyama
63rd2015Yuta Iyama3–0Daisuke Murakawa
64th20163–0Seiki Yo
65th20173–0Ryo Ichiriki
66th20183–2
67th2019Shibano Toramaru3–1Yuta Iyama
68th20203–1Kyo Kagen (Hsu Chia Yuan)
69th2021Yuta Iyama3–2Shibano Toramaru
70th20223–0Yo Seiki

See also

References
  1. "Ōza tournament". gobase.org. Retrieved 2 July 2011.
  2. "Title Holders". nihonkiin.or.jp. Archived from the original on 14 May 2012. Retrieved 2 July 2011.


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