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Deep Blue – Kasparov, 1996, Game 1

 
Wikipedia: Deep Blue – Kasparov, 1996, Game 1
This article uses algebraic notation to describe chess moves.

Deep Blue – Kasparov, 1996, Game 1 is a famous chess game in which a computer played against a human being. It was the first game played in the 1996 Deep Blue versus Garry Kasparov match, and the first time that a chess-playing computer defeated a reigning world champion under normal chess tournament conditions (in particular, normal time controls).

Contents

Overview

Deep Blue was a computer developed by IBM to beat grandmaster Garry Kasparov, the top chess player in the world at the time according to Elo ratings. Playing White, Deep Blue won this first game in the match on February 10, 1996 in Philadelphia, Pennsylvania. Kasparov rebounded over the next five games, winning three and drawing two, to soundly beat the machine in the 1996 match.

Game details

The move-by-move details of the game are described below, intermixed with typical commentary by chess experts from various references.[citation needed]

White: Deep Blue
Black: Kasparov
Opening: Sicilian Defense, B22
Chess zhor 26.png
Chess zver 26.png a8 rd b8 c8 d8 e8 kd f8 g8 h8 rd Chess zver 26.png
a7 pd b7 pd c7 d7 e7 f7 pd g7 pd h7 pd
a6 b6 c6 nd d6 e6 pd f6 nd g6 h6
a5 b5 c5 d5 qd e5 f5 g5 h5 bd
a4 b4 bd c4 d4 pl e4 f4 g4 h4
a3 b3 c3 d3 e3 bl f3 nl g3 h3 pl
a2 pl b2 pl c2 d2 e2 bl f2 pl g2 pl h2
a1 rl b1 nl c1 d1 ql e1 f1 rl g1 kl h1
Chess zhor 26.png
The position after 10. ... Bb4

1. e4 c5 2. c3

It is more common to play 2. Nf3, but Kasparov has deep experience with that line, so White's opening book goes in a different direction.

2..... d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. Be2 e6 7. h3 Bh5 8. O-O Nc6 9. Be3 cxd4 10. cxd4 Bb4

A more common move here is Be7. This was a new approach by Kasparov, developing the bishop in an unusual way. The merit of the new move is debated. After this move, the computer left its opening book and began calculating its next move.

11. a3 Ba5 12. Nc3 Qd6 13. Nb5 Qe7 14. Ne5! Bxe2 15. Qxe2 O-O 16. Rac1 Rac8 17. Bg5

Black now has a problem, especially with the pinned knight on f6.

17.... Bb6 18. Bxf6 gxf6

Kasparov avoids ... Qxf6? because White would gain material with 19. Nd7. Note that Kasparov's king is now far more exposed.

19. Nc4! Rfd8 20. Nxb6! axb6 21. Rfd1 f5 22. Qe3!

This is an excellent place for White's queen.
Chess zhor 26.png
Chess zver 26.png a8 b8 c8 rd d8 rd e8 f8 g8 kd h8 Chess zver 26.png
a7 b7 pd c7 d7 e7 f7 pd g7 h7 pd
a6 b6 pd c6 nd d6 e6 pd f6 qd g6 h6
a5 b5 nl c5 d5 e5 f5 pd g5 h5
a4 b4 c4 d4 pl e4 f4 g4 h4
a3 pl b3 c3 d3 e3 ql f3 g3 h3 pl
a2 b2 pl c2 d2 e2 f2 pl g2 pl h2
a1 b1 c1 rl d1 rl e1 f1 g1 kl h1
Chess zhor 26.png
The position after 22. ... Qf6

22... Qf6 23. d5!

This type of pawn sacrifice is typical of Kasparov's style of play. Kasparov commented that he might have played 23. d5 himself in this position, since it hurts Black's pawn structure and opens up the board, and Black's exposed king suggests that there is probably a way to exploit the result.[citation needed] Kasparov has been attacking White's d-pawn, and the computer wisely decides to advance it for an attack instead of trying to defend it.

23... Rxd5 24. Rxd5 exd5 25. b3! Kh8?

Kasparov attempts to prepare a counter-attack by preparing to move his rook to the g file, but it will not work. Burgess suggests that 25.... Ne7 Rxc8+ would have been better, though White would still have some advantage.[citation needed]

26. Qxb6 Rg8 27. Qc5 d4 28. Nd6 f4 29. Nxb7

This is a very materialistic move, typical of computers; White grabs an undeveloped pawn for a small gain in material. However, Deep Blue has not identified any threat of checkmate from Black, so it simply acquires the material.

29.... Ne5 30. Qd5

30. Qxd4?? would lose to 30... Nf3+.

30.... f3 31. g3 Nd3

The move 31... Qf4 won't work, because of 32. Rc8! Qg5 33. Rc5!
Chess zhor 26.png
Chess zver 26.png a8 b8 c8 d8 e8 f8 g8 h8 Chess zver 26.png
a7 b7 c7 d7 e7 f7 g7 h7 rl
a6 b6 c6 d6 e6 f6 qd g6 h6 kd
a5 b5 c5 d5 ql e5 f5 g5 nl h5
a4 b4 c4 d4 pd e4 f4 g4 h4
a3 pl b3 pl c3 d3 e3 f3 pd g3 pl h3 pl
a2 b2 c2 d2 e2 f2 nd g2 h2 kl
a1 b1 c1 d1 e1 rd f1 g1 h1
Chess zhor 26.png
The final position

32. Rc7 Re8

Kasparov is attacking, but the computer has correctly determined that the attack is not a real threat.

33. Nd6 Re1+ 34. Kh2 Nxf2 35. Nxf7+ Kg7 36. Ng5+ Kh6 37. Rxh7+ 1-0

After 37.... Kg6 38. Qg8+ Kf5 39. Nxf3, Black cannot meet the simultaneous threats of 40. Nxe1, 40. Rf7 and 40. Qd5+. Kasparov resigned.

See also

References


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