Ultimate expert program strength:to challenge even tournament level players! 64 Playing Levels:Normal,Infinite,Tournament,Blitz, Fun,Mate Search,Training,Adaptive. Coach mode – capture alert and tactical alert warnings. Playing Options:user-selectable Search Algorithms for customization 50-move Take Back. Setup option – to try out new positions and moves. All major openings and many famous grandmaster moves from which to learn. Plus Info Mode – giving extra insight to the computer ’s moves.