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is one of the seven titles in Japanese professional shogi. The word means "the king's rank" (ō(王) = king, i(位) = rank or position). The annual tournament started in 1960 sponsored by a group of local newspapers which has consisted of Shimbun Sansha Rengō (Three-Newspaper Association). Despite of its name, Shimbun Sansha Rengō is currently formed by six newspapers: Hokkaido Shimbun, Tokyo Shimbun, Chunichi Shimbun, Kobe Shimbun, Tokushima Shimbun and Nishinippon Shimbun.〔 The challenger for the title is determined by three-step preliminary round that comprises 1st heat, league competition and final playoff. Top eight players in 1st heat and top four players of previous year are divided into two six-player leagues. Top one of each league advances to final playoff, and the winner of one-game match becomes the challenger. The player that wins four games out of seven first in the championship will become the new Ōi title holder. Each championship games assign players a six-hour playtime during two days.〔 == Lifetime Ōi == is the title awarded to a player who won the championship five times in a row or ten times in total. Active players may qualify for this title, but it is only officially awarded upon their retirement or death. Only three professionals have qualified for the Lifetime Oi.〔 They are as follows: * Yasuharu Oyama (deceased) * Makoto Nakahara (retired) * Yoshiharu Habu (active) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Ōi (shogi)」の詳細全文を読む スポンサード リンク
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