Shredder 12 UCI is a professional computer chess program by Stefan Meyer-Kahlen, the twelve times world computer chess champion. Shredder 12 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 12 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.