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Subject: Stunning sacrifice, challenge to computers.

Author: José de Jesús García Ruvalcaba

Date: 13:59:30 04/06/00


[D]r2r1b2/3b1k1p/2p2pp1/p3n3/R3NNP1/7P/PPP5/1KB1R3 w - - 3 30

	Black intended to play c5 followed by Bc6, but white's move came like a shower
of cold water: 30. Nxf6! The game continued 30... Kxf6 31. g5+ Kf5 32. Nd5! and
white won brilliantly.
	Which programs are able to play these brilliant moves showing a score of at
least one pawn up?
	For those who might be interested, here it is the full game score.

[Event "CM-1999-0-00086"]
[Site "IECG"]
[Date "1999.08.30"]
[Round "1"]
[White "Sidenko, Anatoly"]
[Black "Garcia Ruvalcaba, Jose"]
[Result "1-0"]

1. d4 Nf6 2. Bg5 g6 3. Nc3 d5 4. f3 Bg7 5. Qd2 Nc6 6. e4 dxe4 7. d5 e3 8.
Bxe3 Nb4 9. O-O-O c6 10. dxc6 Qxd2+ 11. Rxd2 Nxc6 12. Bb5 O-O 13. Nge2 e5
14. Rhd1 Be6 15. f4 Bh6 16. Rd6 Rfc8 17. Kb1 Ng4 18. Bc1 Bf8 19. Bxc6 bxc6
20. fxe5 Nxe5 21. R6d4 Bg7 22. Nf4 Bg4 23. Re1 Rd8 24. Rde4 f6 25. h3 Bf5
26. Rb4 Bf8 27. Ra4 a5 28. g4 Bd7 29. Ne4 Kf7 30. Nxf6 Kxf6 31. g5+ Kf5 32.
Nd5 Bb4 33. Nxb4 axb4 34. Rxb4 Re8 35. h4 Ke6 36. Bf4 Ra5 37. Rbe4 Kd6 38.
b4 Rb5 39. a3 Bf5 40. R4e3 Rd5 41. Kb2 c5 42. c4 Rd4 43. Rxe5
1-0




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