用户可使用鼠标左键选择要移动的棋子以及移到何处。不能将棋子移到已有己方棋子的位置，或移出棋盘。一方移动棋子后自动提示该对方行棋。-Users can choose to use the left mouse button and move to where the piece. Can not be one s own chess pieces have been moved to the location, or out of the board. One mobile piece autom