基于VC的五子棋设计，具有单机对弈和联机对弈功能，AI使用AlphaBeta剪枝算法实现，可以调节搜索深度和搜索广度，可以保存和打开棋谱，可以悔棋和取消悔棋，控件大小可以随窗口大小的改变而改变。-VC-based design of backgammon, chess has a single function and online chess, AI use AlphaBeta pruning algorithm, you can adjust the search depth and breadth of search, you can save and open chess, you can undo and cancel undo, control over the size can change the size of the window change.