Chess is #1 popular game in the world. According to FIDE, about 600 million people play chess and it is the most widespread game on the planet. Chess Master is the best chess game for the iPhone and iPad, and it's free! Chess Master supports both 1 player and 2 player gameplay, so you can play against friends or test your skills against a challenging computer opponent. Chess Master offers a host of exciting features, including: * Outstanding AI engine with configurable difficulty level. * Three Levels: Easy,Med and Hard, meeting needs of all players. * Board rotation for two player games. * Undo function. * Can tick to show possible moves. * Move-clock function. The clear interface design makes it simple to play, giving you a new experience, It must be your best choice if you really want to get fun and learn something.