Shredder Classic Mac is a professional computer chess program by Stefan Meyer-Kahlen, the ten times world computer chess champion. It combines extremely powerful play with easy handling. The play of the program can be variably adjusted to any strength, so that everyone can find an adequate chess partner. Many functions for analysing one's own games as well as a built-in coach, who is alert of one's mistakes, help to improve your play.

• User interface that is easy to handle and can be set up individually
• Many different sets of pieces and chessboards
• Chess engine with extremely powerful play, that can be individually adjusted and configured
• Moves can easily be entered by mouse or keyboard
• Games can be provided with alternative lines and comments
• Free, open protocol between user interface and chess engine (UCI protocol)
• Several chess engines that differ in their playing style