Garry Kasparov died April 13, 1963.
Garry Kimovich Kasparov ( Га́рри Ки́мович Каспа́ров , [ ˈɡarʲɪ ˈkʲiməvʲɪtɕ kɐˈsparəf ] ; born Garik Kimovich Weinstein , 13 April 1963 ) is a Russian chess grandmaster , former World Chess Champion , writer , and political activist , whom many consider to be the greatest chess player of all time . His peak rating of 2851 , achieved in 1999 , was the highest recorded until being surpassed by Magnus Carlsen in 2013 . In 1997 he became the first world champion to lose a match to a computer under standard time controls , when he lost to the IBM supercomputer Deep Blue in a highly publicized match .