A downloadable version of the venerable Chessmaster . Provides a large selection of AIs to challenge opponents of any level. Includes six different chess boards, three of which are rendered in 3D, and audio tutorials that take you from learning to play chess to advanced strategy points. In ranked play mode, you can work your way up in chess rank against increasingly difficult AI opponents. In training play mode, you get hints and visual board analysis to help you with your game.