Advanced Chess man and machine." The concept of computer-assisted chess tournaments originated in science fiction, notably in "The Peace War" written by Vernor Vinge in 1984. The former world champion grandmaster Garry Kasparov, who retired from competitive chess in 2005, has a long history in playing "Man vs. Machine" events. Among the most important are his matches against IBM's computer Deep Blue, which Kasparov defeated in February 1996, scoring 4–2 in a 6-game match, and lost to, –, in a May 1997 rematch. This 1997 match was famous, as it was the first time in the history of chess in which a
Deep Blue versus Garry Kasparov this is nowadays a common tactic, it was a relatively new idea at the time. Despite this anti-computer tactic, the game was drawn. "May 7". In this game Kasparov played the Caro–Kann Defence. Kasparov got into time trouble late in the game. The sub-optimal moves he played in a hurry may have cost him the victory. "May 10". In this game, the King's Indian Attack opening was played. As in the previous game, Deep Blue played a brilliant endgame that secured a draw, when it was looking as if Kasparov would win. If White plays 50.g8=Q then Black can force