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Oza - title in Go

This article is about a title in Go. For a title in shogi, see Oza (shogi). Not to be confused with the defunct

international title Toyota-Denso Cup - World Go Oza.

Oza
Full name Oza
Started 1953
Honorary Winners Masao Kato
Sponsors Nihon Kezai
Prize money ¥14 million
$173,000
(as of 2 July 2011)
Affiliation Nihon Ki-in

Oza (王座 Ōza, Japanese for "Throne") is a title in Go. The association that holds this title is the Japanese 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. The winner's purse is ¥14 million ($173,000).

Past winners and runners-up

Year Winner Score Runner-up
1953 Utaro Hashimoto 1-0 Nobuaki Maeda
1954 Kaku Takagawa 2-1 Hidehiro Miyashita
1955 Utaro Hashimoto 2-1 Toshihiro Shimamura
1956 Utaro Hashimoto 2-0 Eio Sakata
1957 Toshihiro Shimamura 2-0 Dogen Handa
1958 Hosai Fujisawa 2-0 Dogen Handa
1959 Shoji Hashimoto 2-0 Toshiro Yamabe
1960 Dogen Handa 2-0 Hidehiro Miyashita
1961 Eio Sakata 2-1 Kaku Takagawa
1962 Hidehiro Miyashita 2-0 Katsuji Kada
1963 Eio Sakata 2-0 Hosai Fujisawa
1964 Eio Sakata 2-0 Takeo Kajiwara
1965 Dogen Handa 2-0 Ichigen Okubo
1966 Eio Sakata 2-1 Rin Kaiho
1967 Hideyuki Fujisawa 2-0 Shoji Hashimoto
1968 Hideyuki Fujisawa 2-0 Eio Sakata
1969 Hideyuki Fujisawa 2-0 Hideo Otake
1970 Eio Sakata 2-0 Hideyuki Fujisawa
1971 Eio Sakata 2-0 Shoji Hashimoto
1972 Eio Sakata 2-1 Utaro Hashimoto
1973 Rin Kaiho 2-1 Eio Sakata
1974 Yoshio Ishida 2-1 Rin Kaiho
1975 Hideo Otake 2-0 Yoshio Ishida
1976 Cho Chikun 2-1 Hideo Otake
1977 Norio Kudo 2-0 Cho Chikun
1978 Yoshio Ishida 2-1 Norio Kudo
1979 Masao Kato 2-0 Yoshio Ishida
1980 Masao Kato 2-0 Yoshio Ishida
1981 Shoji Hashimoto 2-1 Masao Kato
1982 Masao Kato 2-0 Shoji Hashimoto
1983 Masao Kato 2-0 Hideo Otake
1984 Masao Kato 3-0 Hiroshi Yamashiro
1985 Masao Kato 3-0 Koichi Kobayashi
1986 Masao Kato 3-1 Rin Kaiho
1987 Masao Kato 3-1 Cho Chikun
1988 Masao Kato 3-0 Masaki Takemiya
1989 Masao Kato 3-1 Yasumasa Hane
1990 Yasumasa Hane 3-2 Masao Kato
1991 Hideyuki Fujisawa 3-1 Yasumasa Hane
1992 Hideyuki Fujisawa 3-2 Koichi Kobayashi
1993 Masao Kato 3-0 Hideyuki Fujisawa
1994 Cho Chikun 3-2 Masao Kato
1995 O Rissei 3-0 Cho Chikun
1996 Ryu Shikun 3-0 O Rissei
1997 Kimio Yamada 3-1 Ryu Shikun
1998 O Rissei 3-0 Kimio Yamada
1999 O Rissei 3-1 Cho Chikun
2000 O Rissei 3-1 Cho Chikun
2001 Cho Chikun 3-0 O Rissei
2002 O Meien 3-2 Cho Chikun
2003 Cho U 3-1 O Meien
2004 Cho U 3-1 Keigo Yamashita
2005 Cho U 3-0 Keigo Yamashita
2006 Keigo Yamashita 3-1 Cho U
2007 Keigo Yamashita 3-1 Toshiya Imamura
2008 Cho U 3-1 Keigo Yamashita
2009 Cho U 3-0 Kimio Yamada
2010 Cho U 3-0 Kimio Yamada
2011 Cho U 3-0 Hane Naoki
2012 Yuta Iyama 3-0 Cho U
2013 Yuta Iyama 3-1 Cho U
2014 Daisuke Murakawa 3-2 Yuta Iyama
2015 Yuta Iyama 3-0 Daisuke Murakawa
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