Computer chess In January 2003, Garry Kasparov played Junior, another chess computer program, in New York City. The match ended 3–3. In November 2003, Garry Kasparov played X3D Fritz. The match ended 2–2. In 2005, Hydra, a dedicated chess computer with custom hardware and sixty-four processors and also winner of the 14th IPCCC in 2005, defeated seventh-ranked Michael Adams 5½–½ in a six-game match (though Adams' preparation was far less thorough than Kramnik's for the 2002 series). In November–December 2006, World Champion Vladimir Kramnik played Deep Fritz. This time the computer won; the match ended 2–4. Kramnik was able to view the
Deep Blue versus Garry Kasparov to exchange the queens. That would have allowed his pawn, which was about to promote, to advance. "May 3". The 1997 rematch began with the King's Indian Attack, which led Kasparov to victory in 45 moves. Deep Blue's 44th move in this game puzzled Kasparov, and he attributed it to "superior intelligence". Allegedly, the move was a result of a bug in which Deep Blue, unable to determine a desirable move, resorted to a fail-safe. Nate Silver proposes that Kasparov "concluded that the counterintuitive play must be a sign of superior intelligence", leading him to lose the second game. "May