Strength and advanced features make the Saitek Expert Travel Chess Computer the best compact computer choice for the expert chess player. This computer offers ultimate expert program strength to challenge even tournament level players.Key features at a glance:64 playing levels: normal infinite tournament blitz fun mate search training adaptiveCoach mode features capture alert and tactical alert warningsPlaying options including user-selectable search algorithms for customization50-move Take Back lets you experiment and learnSetup option lets you try out new positions and movesOffers all major openings and many famous grandmaster moves from which to learnInfo mode gives you extra insight to the computer’s movesCompact laptop-style case with flip-down lidPewter and silver effect peg piecesStorage area for safekeeping of all piecesIntegrated LCD screenBuilt-in chess clockAutomatic power-down feature conserves battery lifeUnfinished games are held in memory so you can pick up where you left offRequires 4 AA batteries (not included)