英语语法分析

What we do is that we flip signs according to a checkerboard diagram.

我们根据棋盘图来反转符号。

But when the inside is lit up at night, the facade becomes a glowing checkerboard.

但是，当夜晚在里面点亮灯光，外观就变成一个发光的棋盘。

Has contained the gobang procedure checkerboard initialization, the game rule, the victory and defeat judgment method.

包含了五子棋程序的棋盘初始化、游戏规则、胜负判断方法。