World Oza  The Toyota-Denso Cup - World Oza was an international Go competition, sponsored by auto maker Toyota and parts manufacturer Denso. The World Oza, sponsored by ToyotaDenso of Japan, was regarded as the newest international tournament, the first sponsored by a Japanese company.  32 players were invited from the following countries/regions:  The tournament was held every 2 years. The first rounds were knockouts, and the final match is a best-of-three. The winner's purse is 30,000,000 Yen ($285,000) and a new Toyota car that is worth almost 10,000,000 Yen ($95,000). As of June 16, 2009, the Nihon Ki-in has confirmed that the Toyota & Denso Cup World Go Oza has been canceled by the sponsors.