Fritz Chess Tenth Edition [Old Version] Extended and updated database Dynamic hints: when entering a move, you see arrows highlighting direct and indirect attacks and defences of each square your mouse moves over Improved pieces for the 2D board. Highest resolution for boards of any size. Improved move entry on the 2D board: highlighted start and target squares avoid mouse slips. New set of very high resolution, classical wood 3D-pieces Engine animation: while the chess engine is calculating, typical elements of the calculation (e.g. frequented squares) are visualized directly on the board