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Continue to Chat第81期順位戦C級2組 古賀悠聖四段がC級1組へ昇級|棋戦トピックス|日本将棋連盟 https://blog.40ch.net/2023/03/15/81st-ranking-match-c-class-2-group-yusei-koga-4th-dan-promoted-to-c-class-1-group/
第81期順位戦C級2組 古賀悠聖四段がC級1組へ昇級|棋戦トピックス|日本将棋連盟 https://blog.40ch.net/2023/03/15/81st-ranking-match-c-class-2-group-yusei-koga-4th-dan-promoted-to-c-class-1-group/