一个实现人机取棋子的游戏，游戏规则为：玩家先取，最终手中棋子的数量为偶数的获胜（每次去棋子为1-3）-A man-machine chess game, the rules of the game: players get preferential, the number of final hands pieces for an even number of wins (every time I go to pieces for 1-3)