Shredder 9 UCI, Deep Shredder 9 UCI and Shredder Classic 1.2 are now available on shredderchess.com. Shredder 9 UCI and Deep Shredder 9 UCI are the latest and best versions of the Shredder family. Shredder Classic 1.2 is a FREE UPDATE for all registered Shredder 1.x customers. All three programs include the latest version of the Shredder user interface. Please click here for possible upgrades.