Deep Blue versus Garry Kasparov a draw by threefold repetition, starting with 50...Rd1+ and then 51...Rd2+. "May 11". Before the sixth game, the overall score was even: 2½–2½. As in game 4, Kasparov played the Caro–Kann Defence. Deep Blue made a daring knight sacrifice which wrecked Kasparov's defence and forced him to resign in less than twenty moves. Bibliography Deep Blue versus Garry Kasparov Deep Blue versus Garry Kasparov was a pair of six-game chess matches between world chess champion Garry Kasparov and an IBM supercomputer called Deep Blue. The first match was played in Philadelphia in 1996 and won by Kasparov. The second was
Deep Blue versus Kasparov, 1997, Game 6 first time that a computer had defeated a World Champion in a match of several games. This, as well as the fact that Kasparov had lasted only 19 moves in a game lasting barely more than an hour, attracted much media attention. White: Deep Blue Black: Garry Kasparov Opening: Caro–Kann Defense, Steinitz Variation ("ECO" B17) 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Ng5 (see diagram) 5... Ngf6 6. Bd3 e6 7. N1f3 h6? (see diagram) 8. Nxe6! 8... Qe7 9. 0-0 9... fxe6 10. Bg6+ Kd8 11. Bf4 (see diagram) 11... b5? 12. a4