The famous Shredder chess program by Stefan Meyer-Kahlen is also available in our Online Store for the Apple Macintosh computer. For the first time Mac users have a chance to play with the twelve times World Computer Chess Champion.
Shredder is available in three different versions so that every chess player with a Mac can find his appropriate chess partner […] All Shredder versions for the Mac are universal binaries:

Deep Shredder 12 Mac (€99.99)
Shredder 12 Mac (€49.99)
Shredder Classic 4 Mac (€29.99)

A demo is available for "Shredder Classic 4".