Ōza (Go)

Not to be confused with World Oza.

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.

Ōza (Go)
Full name	Ōza
Started	1953
Honorary Winners	Masao Kato
Sponsors	The Nikkei
Prize money	¥14 million
Affiliation	Nihon 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.^[2]

Past winners

Edition	Year	Winner	Score	Runner-up
1st	1953	Utaro Hashimoto	1–0	Nobuaki Maeda
2nd	1954	Kaku Takagawa	2–1	Hidehiro Miyashita
3rd	1955	Utaro Hashimoto	2–1	Toshihiro Shimamura
4th	1956		2–0	Eio Sakata
5th	1957	Toshihiro Shimamura	2–0	Dogen Handa
6th	1958	Hosai Fujisawa	2–0
7th	1959	Shoji Hashimoto	2–0	Toshiro Yamabe
8th	1960	Dogen Handa	2–0	Hidehiro Miyashita
9th	1961	Eio Sakata	2–1	Kaku Takagawa
10th	1962	Hidehiro Miyashita	2–0	Katsuji Kada
11th	1963	Eio Sakata	2–0	Hosai Fujisawa
12th	1964		2–0	Takeo Kajiwara
13th	1965	Dogen Handa	2–0	Ichigen Okubo
14th	1966	Eio Sakata	2–1	Rin Kaiho
15th	1967	Hideyuki Fujisawa	2–0	Shoji Hashimoto
16th	1968		2–0	Eio Sakata
17th	1969		2–0	Hideo Otake
18th	1970	Eio Sakata	2–0	Hideyuki Fujisawa
19th	1971		2–0	Shoji Hashimoto
20th	1972		2–1	Utaro Hashimoto
21st	1973	Rin Kaiho	2–1	Eio Sakata
22nd	1974	Yoshio Ishida	2–1	Rin Kaiho
23rd	1975	Hideo Otake	2–0	Yoshio Ishida
24th	1976	Cho Chikun	2–1	Hideo Otake
25th	1977	Norio Kudo	2–0	Cho Chikun
26th	1978	Yoshio Ishida	2–1	Norio Kudo
27th	1979	Masao Kato	2–0	Yoshio Ishida
28th	1980		2–0
29th	1981	Shoji Hashimoto	2–1	Masao Kato
30th	1982	Masao Kato	2–0	Shoji Hashimoto
31st	1983		2–0	Hideo Otake
32nd	1984		3–0	Hiroshi Yamashiro
33rd	1985		3–0	Koichi Kobayashi
34th	1986		3–1	Rin Kaiho
35th	1987		3–1	Cho Chikun
36th	1988		3–0	Masaki Takemiya
37th	1989		3–1	Yasumasa Hane
38th	1990	Yasumasa Hane	3–2	Masao Kato
39th	1991	Hideyuki Fujisawa	3–1	Yasumasa Hane
40th	1992		3–2	Koichi Kobayashi
41st	1993	Masao Kato	3–0	Hideyuki Fujisawa
42nd	1994	Cho Chikun	3–2	Masao Kato
43rd	1995	O Rissei	3–0	Cho Chikun
44th	1996	Ryu Shikun	3–0	O Rissei
45th	1997	Kimio Yamada	3–1	Ryu Shikun
46th	1998	O Rissei	3–0	Kimio Yamada
47th	1999		3–1	Cho Chikun
48th	2000		3–1
49th	2001	Cho Chikun	3–0	O Rissei
50th	2002	O Meien	3–2	Cho Chikun
51st	2003	Cho U	3–1	O Meien
52nd	2004		3–1	Keigo Yamashita
53rd	2005		3–0
54th	2006	Keigo Yamashita	3–1	Cho U
55th	2007		3–1	Toshiya Imamura
56th	2008	Cho U	3–1	Keigo Yamashita
57th	2009		3–0	Kimio Yamada
58th	2010		3–0
59th	2011		3–0	Hane Naoki
60th	2012	Yuta Iyama	3–0	Cho U
61st	2013		3–1
62nd	2014	Daisuke Murakawa	3–2	Yuta Iyama
63rd	2015	Yuta Iyama	3–0	Daisuke Murakawa
64th	2016		3–0	Yo Seiki
65th	2017		3–0	Ryo Ichiriki
66th	2018		3–2
67th	2019	Shibano Toramaru	3–1	Yuta Iyama
68th	2020		3–1	Kyo Kagen (Hsu Chia Yuan)
69th	2021	Yuta Iyama	3–2	Shibano Toramaru
70th	2022		3–0	Yo Seiki
71st	2023		3–2	Yo Seiki
72nd	2024		3–1	Shibano Toramaru

See also

• Ōza (shogi)