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 Database has all major openings and many famous grandmaster moves from which to learn Info Mode – giving extra insight to the computers moves Compact laptop style case with flip down lid Pewter and silver effect peg pieces Pieces storage area for safe keeping Integrated LCD screen Built in Chess Clock Automatic Power Down Feature – conserve battery life Unfinished games held in memory 230x182mm (9 inch x 7 inch) overall, playing area 112x112mm (4.5 inches square).