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Subject: Who remembers the 4th Game of the Deep Blue-Kasparov Match in 1996?

Author: Mike Byrne

Date: 18:44:43 06/30/02


[Event "ACM Chess Challenge"]
[Site "Philadelphia, PA USA"]
[Date "96.02.14"]
[Round "4"]
[White "Kasparov, Garry"]
[Black "Deep Blue"]
[Result "1/2-1/2"]
[Opening "Slav"]
[ECO "D30"]

1. Nf3 d5 2. d4 c6 3. c4 e6 4. Nbd2 Nf6 5. e3 Nbd7 6. Bd3 Bd6 7. e4 dxe4 8.
Nxe4 Nxe4 9. Bxe4 O-O 10. O-O h6 11. Bc2 e5 12. Re1 exd4 13. Qxd4 Bc5 14.
Qc3 a5 15. a3 Nf6 {
[D] r1bq1rk1/1p3pp1/2p2n1p/p1b5/2P5/P1Q2N2/1PB2PPP/R1B1R1K1 w - - 0 1

The critcal moment in the game.  I was actually attending this game live in
Philadelphia and everybody was speculating 16. Bxh6 ...it was considered the
typical Kasparovian type of move ...alas, after quite a long think by Gary, he
played Be3.  Later, after the game in the post-mortem analysis, Gary said that
if was playing a human, he would have played Bxh6 without question.  He was
concerned he could not see a clear win and that Deep Blue would come up with a
refutation.  Later, it was revealed that Deep Blue also thought Bxh6 was the
best move.

Gambit Tiger sees Bxh6 in ~83 seconds  with +1.14 on my Xeon P3 1.7 Ghz
Modified Crafty did not see it after 40 minutes
}
16. Be3 Bxe3 17. Rxe3 Bg4 18. Ne5 Re8 19. Rae1 Be6 20. f4
Qc8 21. h3 b5 22. f5 Bxc4 23. Nxc4 bxc4 24. Rxe8+ Nxe8 25. Re4 Nf6 26. Rxc4
Nd5 27. Qe5 Qd7 28. Rg4 f6 29. Qd4 Kh7 30. Re4 Rd8 31. Kh1 Qc7 32. Qf2 Qb8
33. Ba4 c5 34. Bc6 c4 35. Rxc4 Nb4 36. Bf3 Nd3 37. Qh4 Qxb2 38. Qg3 Qxa3
39. Rc7 Qf8 40. Ra7 Ne5 41. Rxa5 Qf7 42. Rxe5 fxe5 43. Qxe5 Re8 44. Qf4 Qf6
45. Bh5 Rf8 46. Bg6+ Kh8 47. Qc7 Qd4 48. Kh2 Ra8 49. Bh5 Qf6 50. Bg6 Rg8
1/2-1/2




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