Ōza (Go)
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Ōza (王座; "throne") is the second oldest of the seven big titles in Japanese professional Go. The tournament is organised by the Japanese Nihon Ki-in and sponsored by the Nihon Keizai Shinbun, also known as The Nikkei. The six other big Go titles include the Kisei, Meijin, Honinbo, Judan, Tengen, and the Gosei.