Shredder 9 UCI is a professional computer chess program by Stefan Meyer-Kahlen, the nine times world computer chess champion. Shredder 9 UCI 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. Shredder 9 UCI is the latest and strongest version of the Shredder family, a series of the best and most successful chess programs in the last years.
The most important features of Shredder 9 UCI are:

Direct access to huge online endgame database with more than 800 GB
The program always keeps up-to-date with automatic online updates
User interface that is easy to handle and can be set up individually
Six different sets of pieces and chessboards both in 2D and 3D
Chess engine with extremely powerful play, that can be individually adjusted and configured
Built-in Chess coach, who is alert of mistakes and suggests better moves
Own games can be automatically examined for mistakes
Moves can easily be entered by mouse or keyboard
Extensive documentation
Games can be provided with alternative lines and comments
Many features for training and analysis
Manifold possibilities to systematically search and examine the endgame databases
Free, open protocol between user interface and chess engine (UCI protocol)
Possibility to simultaneously load up to ten chess engines
Several chess engines that differ in their playing style
Many possibilities for automatic tests and comparisons of different chess engines