Super AI system, a variety of difficulties to choose from
You can compete with AI in a single player game or a two-player game
There are more than a thousand endgames waiting for you to challenge
Organizing all kinds of endgame killing methods, you can significantly improve your chess level
Stand-alone games do not need to be connected to the Internet, small in size and beautiful in interface
There is no limit on the number of regrets and hints
No in-app billing