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张慧欣在文[1]中提出一个取棋子的游戏:游戏A有若干堆棋子,两人轮流取棋子,每人每次只能从1堆中取1 4个棋子,取到最后一个棋子者获胜.文中提出这个游戏是否有必胜策略的问题,这个问题后来被牛伟强[2]解决.
Zhang Huixin proposed a game for picking pieces in the article [1]: There are several stacks of pieces in game A. The two take pieces alternately, and each player can only take 1 piece from 1 stack at a time, and take the last piece. Winning. The article proposed whether this game has a winning strategy. This problem was later solved by Niu Weiqiang [2].