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Subject: Re: Difficult position from Rowson's new book.

Author: Dann Corbit

Date: 16:15:58 01/18/06

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On January 18, 2006 at 18:33:27, Vincent Lejeune wrote:

>On January 18, 2006 at 17:15:18, Rory Nolan wrote:
>
>>Hello all,
>>I found this positon in 'Chess for Zebras'. Can any engine find the move
>>
>>44...Nb3!!
>>
>>[D] 2k5/3b4/2q1p1Bp/ppn1P1pP/2pQP1P1/P1P5/2P2B1K/8 b - - 0 1
>>
>>all the best
>>Rory
>
>Why Nb3 is a good move ?
>I only find white is winning after this sac :-(

I guess that he is hoping for big things from the passed pawn.
I don't see it either[*].  I will try some engines and see what they can come up
with.

[*] Which reminds me of the Star Wars line, "You shall PAY for your lack of
VISION!!!"

>[Event "?"]
>[Site "?"]
>[Date "????.??.??"]
>[Round "?"]
>[White "Chess for Zebras"]
>[Black "?"]
>[Result "*"]
>[SetUp "1"]
>[FEN "2k5/3b4/2q1p1Bp/ppn1P1pP/2pQP1P1/P1P5/2P2B1K/8 b - - 0 1"]
>[PlyCount "102"]
>
>1... Nb3 2. cxb3 cxb3 3. Qd2 Qc7 4. Bd4 Kb7 5. Kg2 Qc4 6. Kf2 a4 7. Ke1 Bc6 8.
>Qf2 Ka6 9. Kd1 Bb7 10. Kc1 b4 11. Kb2 bxc3+ 12. Bxc3 Bc6 13. Qd2 Kb7 14. Bb4
>Qb5 15. Bd6 Qf1 16. Bc5 Qf3 17. Bd4 Kc8 18. Qf2 Qxg4 19. Qf8+ Kc7 20. Kc3 Qh3+
>21. Kb4 b2 22. Qe7+ Kc8 23. Bxb2 Qb3+ 24. Kc5 Qb5+ 25. Kd6 Qb6 26. Qf8+ Kb7 27.
>Qf7+ Kc8 28. Bd4 Qxd4+ 29. Kxc6 Qc3+ 30. Kd6 Qd4+ 31. Ke7 Qd8+ 32. Kxe6 Qb6+
>33. Kd5 Qb5+ 34. Kd4 Qb2+ 35. Kc4 Qb3+ 36. Kc5 Qxa3+ 37. Kb6 Qe3+ 38. Ka6 Qd3+
>39. Ka5 Qc3+ 40. Kxa4 Qd4+ 41. Ka3 Qc3+ 42. Qb3 Qxe5 43. Bf5+ Kc7 44. Kb4 Qe7+
>45. Kc3 Qf6+ 46. Kd3 Qd6+ 47. Kc4 Qa6+ 48. Kd4 Qf6+ 49. Ke3 Kd8 50. Qg8+ Ke7
>51. Qh7+ Kf8 52. Qc7 *



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