上钻了怎么办啊？这下只能剑指征服了... 求求啦！

后面有排名

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资料 https://en.wikipedia.org/wiki/Chess https://en.wikipedia.org/wiki/Rules_of_chess https://en.wikipedia.org/wiki/Draw_(chess) https://www.chess.com/learn-how-to-play-chess https://www.chess.com/article/view/the-fastest-possible-checkmate-in