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Continue to Chat90人と同時対局 現役最年少棋士・伊藤匠五段、下北沢で挑戦:朝日新聞デジタル https://blog.40ch.net/2022/05/01/simultaneous-game-with-90-people-challenge-at-shimokitazawa-the-youngest-active-player-takumi-ito-5th-dan/
90人と同時対局 現役最年少棋士・伊藤匠五段、下北沢で挑戦:朝日新聞デジタル https://blog.40ch.net/2022/05/01/simultaneous-game-with-90-people-challenge-at-shimokitazawa-the-youngest-active-player-takumi-ito-5th-dan/