Deep Fritz is a multi-processor version of the computer chess engine Fritz written by Frans Morsch and Mathias Feist.

In October 2002, a version of Deep Fritz running on a Compaq 8-processor machine competed with Vladimir Kramnik in the Brains in Bahrain eight-game match, which ended in a 4 - 4 draw, with two wins for each participant and four draws.

In November of 2003, a version of Deep Fritz running with 3D software, X3D Fritz, played a four game match against Kasparov, the highest rated player at the time. The match ended tied after a win by each side and two draws.

Deep Fritz played a six-game match against Vladimir Kramnik in November of 2006. [1] winning 4:2.