Deep Blue (chess computer) the Internet. Kasparov demanded a rematch, but IBM refused and dismantled Deep Blue. Owing to an insufficient sample of games between Deep Blue and officially rated chess players, a chess rating for Deep Blue was not established. In 2003 a documentary film was made that explored these claims. Entitled "", the film interviewed some people who suggest that Deep Blue's victory was a ploy by IBM to boost its stock value. One of the cultural impacts of Deep Blue was the creation of a new game called Arimaa designed to be much more difficult for computers than chess. One of
Computer chess able to draw matches against former world champion Garry Kasparov and classical world champion Vladimir Kramnik. 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 by Kramnik. Game 6 was described by the tournament commentators as "spectacular." Kramnik, in a better position in the early middlegame, tried a piece sacrifice