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Continue to Chat【勝負師たちの系譜】棋士の引退理由…最多は規定による在籍期間切れ 過去には現役復帰を懇願するケースも - zakzak https://blog.40ch.net/2021/05/02/reasons-for-retiring-go-players-most-often-the-period-of-enrollment-has-expired-according-to-regulations-in-the-past-there-were-cases-of-begging-for-reinstatement/