Human–computer chess matches computer Deep Thought in an exhibition match. Deep Thought, however, was still considerably below World Championship Level, as the then reigning world chess champion Garry Kasparov demonstrated in two convincing wins in 1989. The "Chess Genius" program was entered into a Professional Chess Association rapid chess tournament in 1994. It defeated and eliminated world champion Kasparov, but lost to Viswanathan Anand in the next round. This was the first time a computer had defeated the world champion in an official game, albeit at rapid time controls. Kasparov played a six-game match against IBM's Deep Blue in 1996. Kasparov lost the
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