Deep Blue - Kasparov, 1997, Game 6

Game 6 of the Deep Blue–Kasparov rematch, played in New York City on May 11, 1997 and starting at 3:00 p.m. EDT, was the last chess game in the 1997 rematch of Deep Blue versus Garry Kasparov.

Deep Blue had been further strengthened from the previous year's match with Kasparov and was unofficially nicknamed "Deeper Blue". Before this game the score was tied at 2½–2½: Kasparov had won the first game, lost the second game, and drawn games 3, 4, and 5 (after having advantageous positions in all three).

The loss marked the 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 Bb7

13. Re1 Nd5 14. Bg3 Kc8 15. axb5 cxb5 16. Qd3 Bc6? 17. Bf5

17... exf5 18. Rxe7 Bxe7 19. c4 1–0

After the game Kasparov accused the Deep Blue team of cheating (i.e. having a team of human masters to aid the computer). Although Kasparov wanted another rematch, IBM declined and ended their Deep Blue program.

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