1、围棋单机版程序，支持人人对弈

2、可悔棋，禁止连续提劫

3、程序判断死活，自动点目

4、手动调整点目结果

5、棋谱保存读取-1, Go stand-alone program, support for all chess 2 can undo prohibit mention robbed three consecutive, procedures to determine life and death, automatic 4-point mesh, manually adjust the results of five-point mesh, keep reading chess