Δείτε μια ιστορική παρτίδα σκάκι μεταξύ του ηλεκτρονικού υπολογιστή Deep Blue εναντίον του παγκόσμιου πρωταθλητή Κασπάροβ

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[Event “”]
[Site “Philadelphia, PA USA”]
[Date “1996.02.10”]
[Round “1”]
[White “Deep Blue”]
[Black “Kasparov, Gary”]
[Result “1-0”]
[Opening “Sicilian Defense 2.c3”]
[Annotator “Wheeler, David A.”]

{This game is world-famous, because it was the first game
won by a computer against a reigning world champion under
normal chess tournament conditions (in particular, normal time controls).

Deep Blue was a computer developed by IBM to win against Kasparov.
Deep Blue won this game, but Kasparov rebounded over the following 5
games to win 3 and draw 2, soundly beating Deep Blue in the 1996 match.

In the 1997 rematch, Deep Blue managed to win the entire match.
Gary Kasparov is considered to be one of the greatest human chess players
of all time, so both this single game and the later win of a match showed
that computer-based chess had truly arrived at the pinnacle of chess play.
}

1. e4 c5
2. c3
{It's 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. Whether or not it's a good
approach 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?!
{This allows white to make its pieces more active.
Other moves, which would probably be better, include Qb8 and Qd5.}

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 the white queen.}

22… Qf6
23. d5!
{Kasparov commented that he might have offered this pawn
sacrifice himself in this position, since it hurt black's pawn
structure, opened up the board, and black's exposed king suggested
that there was probably a way to exploit the result.
Kasparov has been attacking the d4 pawn, and the computer wisely
decided 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 file g, but it won't work.
Burgess suggests that 25…. Ne7 Rxc8+ would have better, though
white would still have some advantage.
Indeed, after this point on it's difficult to identify
any move that will dramatically help black.}

26. Qxb6 Rg8
27. Qc5 d4
28. Nd6 f4
29. Nxb7
{This is a very “computerish”/materialistic move; white is grabbing
an undeveloped pawn for a small gain in material.
However, the computer has not identified any threat of checkmate or
other risks from black, so it simply acquires the material.}

29…. Ne5
30. Qd5
{The move 30. Qxd4?? would be terrible, because Nf3+
would win the white queen.}

30…. f3
31. g3 Nd3
{The move 31… Qf4 won't work, because of 32. Rc8! Qg5 33. Rc5!}

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+
{expecting …. Kg6 38. Qg8+ Kf5 Nxf3 and white's strength is overwhelming.
White will have lots of ways to defeat black, while black has no real
way to attack white.}
1-0

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