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Fritz 7, which was released that year, included the ability to play on the Playchess server. [2] In November 2003, X3D Fritz, a version of Deep Fritz with a 3D interface, drew a four-game match against Garry Kasparov. Fritz 8, which appeared around this time, provided a 3D Spanish room setting for games to take place.
Brains in Bahrain was an eight-game chess match between World Chess Champion Vladimir Kramnik and the computer program Deep Fritz 7, held in October 2002. The match ended in a tie 4-4, with two wins for each participant and four draws .
While Deep Fritz was in its opening book, Kramnik is allowed to see Fritz's display. The Fritz display contains opening-book moves, number of games, Elo performance, score from grandmaster games and the move weighting. [26] In the first five games, Kramnik steered the game into a typical "anti-computer" positional contest.
X3D Fritz was a version of the Fritz chess program, which in November 2003 played a four-game human–computer chess match against world number one Grandmaster Garry Kasparov. The match was tied 2–2, with X3D Fritz winning game 2, Kasparov winning game 3 and drawing games 1 and 4.
In October 2002, Vladimir Kramnik and Deep Fritz competed in the eight-game Brains in Bahrain match, which ended in a draw. Kramnik won games 2 and 3 by "conventional" anti-computer tactics – play conservatively for a long-term advantage the computer is not able to see in its game tree search. Fritz, however, won game 5 after a severe blunder ...
In 2003 Deep Junior played a six-game match against Garry Kasparov, which resulted in a 3–3 tie. [3]It won a 2006 rapid game against Teimour Radjabov.. In June 2007, Deep Junior won the "ultimate computer chess challenge" organized by FIDE, defeating Deep Fritz 4–2.
Deep Fritz version 10 ran on a computer containing two Intel Core 2 Duo CPUs. Kramnik received a copy of the program in mid-October for testing, but the final version included an updated opening book. [50] Except for limited updates to the opening book, the program was not allowed to be changed during the course of the match.
In a November 2006 match between Deep Fritz and world chess champion Vladimir Kramnik, the program ran on a computer system containing a dual-core Intel Xeon 5160 CPU, capable of evaluating only 8 million positions per second, but searching to an average depth of 17 to 18 plies (half-moves) in the middlegame thanks to heuristics; it won 4–2.