Author: Rory Nolan
Date: 14:28:31 01/19/06
Go up one level in this thread
On January 19, 2006 at 10:41:42, Vincent Lejeune wrote: >On January 19, 2006 at 09:56:42, Rory Nolan wrote: > >>On January 18, 2006 at 19:15:58, Dann Corbit wrote: >> >>>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!!!" >> >>I'm more or less quoting from the book here so >>'Black judges that he can afford to sac. a piece because the bishop is cut off >>on g6'.... >>'The alternative is 44...Na4 but then the knight is sidelined black has no >>meaning ful counterplay and white can organise a bishop sac on g5 followed by >>queening the h-pawn.'... >>Rowson goes on but a bit but here is on possible line >>45. cxb3 cxb3 >>46. c4 Qxc4! > >46.c4 : what' that ??? 46.Qd2 is very logical and then bring the king on b2, I >don't see counterplay for black ... Vincent I have to agree with you I have rubbed both my brain cells together very hard to try and work out why 46.c4 would be better than 46. Qd2 and now my head hurts and I have still no good response. regards Rory > > >>47. Qxc4 bxc4 >>48. Bd4 Kc7 >>'the extra piece is not felt and the black king can disrupt the blockade' >>Black may even be winning here; Rowson >>e.g. >>49.Kg3 K5c6 >>50.a4 c3! >>51 Bxc3 Kc5 and white loses slowly but surely >> >>good stuff eh >>best >>Rory >> >> >>> >>>>[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 *
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.