Chess Plus+ is an enhanced computer chess game powered by a sophisticated artificial intelligence engine resulting in automated opponent player ratings ranging from Novice to Grandmaster! Computer Player AI Grandmaster Level ELO of 2850+ Includes 4 chess ebooks built-in for offline reading on chess Fundamentals, Strategy, Game Play, and Openings. With Chess Plus+ you will engage in challenging 1 or 2 player chess games whether you're just starting out or an old pro! Algorithmically varied computer opponent game play simulates real-world match conditions. FEATURES Castling, Promotion, and En Passant Play Black or White Dual Player Time Clocks 4 Modes of Play Scrollable Moves List Advanced Artificial Intelligence 4 Chess eBooks Included Move Count, Status, and Turn Displays Multiple Computer Player Levels Includes Chess Rules And more! Chess Plus+ for Mac OSX - Details Procypher Apps