五子棋的控制台实现。在控制台下运行，可以根据坐标提示来下棋。里面有三个类，棋盘类，游戏开始类，游戏计算类。-Backgammon console implementation. In the console running, according to the coordinates of prompts to play chess. There are three classes, board games begin classes, games computing category.