Human–computer chess matches determined—the advantage was not so clear. Deep Junior played 9 grandmasters at the Sparkassen Chess Meeting in Dortmund, Germany from July 6 to July 17, 2000. The 2000 Sparkassen Chess Meeting was a category 19 chess tournament. Computer program Deep Junior competed in a round robin format. Deep Junior scored 4.5 in 9 rounds. Deep Junior performed at a rating of 2703. In October 2002, Vladimir Kramnik (who had succeeded Kasparov as Classical World Chess Champion) and Deep Fritz competed in the eight-game Brains in Bahrain match, which ended in a 4–4 draw. Kramnik was given several advantages in his
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