Oza
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{{Go tournament
| tournamentname=Oza
| fullname=Oza
| started=[[1953]]
| honorarywinners=[[Masao Kato]]
| sponsors=Nihon Kezai
| prizemoney=13.5 million [[Yen]] ($118,000 [[USD]])
| affiliation=[[Nihon Ki-in]]
}}
{{otheruses4|a title in Go|a title in [[shogi]]|Oza (shogi)}}
{{nihongo|'''Oza'''|王座|''Ōza''|[[Japanese language|Japanese]] for "King"}} is a title in [[Go (board game)|Go]]. The association that holds this title is the Japanese [[Nihon-Kiin]].
==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 13,500,000 Yen ($118,000)
==Past winners==
{| class="wikitable"
!Player || Years Held
|-
| [[Hashimoto Utaro]]
| 1953, 1955, 1956
|-
| [[Takagawa Shukaku]]
| 1954
|-
| [[Shimamura Toshihiro]]
| 1957
|-
| [[Fujisawa Hosai]]
| 1958
|-
| [[Hashimoto Shoji]]
| 1959, 1981
|-
| [[Handa Dogen]]
| 1960, 1965
|-
| [[Sakata Eio]]
| 1961, 1963, 1964, 1966, 1970, 1971, 1972
|-
| [[Miyashita Hidehiro]]
| 1962
|-
| [[Fujisawa Hideyuki]]
| 1967 - 1969, 1991, 1992
|-
| [[Rin Kaiho]]
| 1973
|-
| [[Ishida Yoshio]]
| 1974, 1978
|-
| [[Otake Hideo]]
| 1975
|-
| [[Cho Chikun]]
| 1976, 1994, 2001
|-
| [[Kudo Norio]]
| 1977
|-
| [[Masao Kato]]
| 1979, 1980, 1982 - 1989, 1993
|-
| [[Hane Yasumasa]]
| 1990
|-
| [[O Rissei]]
| 1995, 1998 - 2000
|-
| [[O Meien]]
| 2002
|-
| [[Cho U]]
| 2003 - 2005
|-
| [[Keigo Yamashita]]
| 2006
|}
==See also==
* [[Honorary Oza]]
{{Japanese go titles}}
[[Category:Go competitions]]
[[fr:Oza]]
[[ja:王座 (囲碁)]]
[[zh:王座戰 (日本圍棋)]]