本程序可以实现人机对弈和双人对弈的功能，从人机对弈转换为双人对弈或双人对弈转换为人机对弈后要点击“重新开始”后才能生效-This procedure can be achieved double man-machine chess and chess and a conversion man-machine chess as chess or Double Double converted to man-machine chess chess after to take effect afte