Author: James T. Walker
Date: 12:06:36 06/25/02
Go up one level in this thread
On June 24, 2002 at 09:32:28, Igor Gorelikov wrote:
>In the following game, there was a very interesting ending that may be a
>good test for any top engines.
>
>[Event "Infinite Loop-1, Rapid, 8th Ten"]
>[Site "PII 567MHz 128MB"]
>[Date "2002.06.22"]
>[Round "2"]
>[White "Esc 1.09"]
>[Black "Horizon 3.0"]
>[Result "1-0"]
>[TimeControl "900+3"]
>[PairNo ""]
>
>1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7
>8. O-O-O O-O 9. f4 Nxd4 10. Qxd4 h6 11. Bh4 Bd7 12. Bxf6 Bxf6 13. e5 Be7
>14. exd6 Bf6 15. Qb4 Qb6 16. Qxb6 axb6 17. Bb5 Bxb5 18. Nxb5 Rxa2 19. c3
>Ra5 20. Nc7 Rd8 21. Rhe1 Rh5 22. h3 Bh4 23. Re3 Ra5 24. Kb1 Bf6 25. d7 Rf5
>26. g3 g6 27. Ne8 Bh8 28. Nc7 h5 29. h4 Rc5 30. Nd5 b5 31. Re4 Bg7 32. Nb6
>Rc6 33. Nc8 Rc7 34. Nb6 Rc5 35. Rb4 e5 36. fxe5 Bxe5 37. Re4 f6 38. Re3 Rc6
>39. Nc8 Ra6 40. Rdd3 Kf7 41. Rd2 Rc6 42. Red3 Kg7 43. Na7 Rc5 44. Re2 Kh6
>45. Nc8 Rc7 46. Red2 Kh7 47. Nb6 Rc6 48. Nc8 Ra6 49. Rd1 Ra8 50. Re1 Ra4
>51. Ree3 Kh8 52. Ne7 Kg7 53. Nc8 Ra6 54. Rd2 Rc6 55. Na7 Rc5 56. Nc8 Kh7
>57. Red3 Kg8 58. Ne7+ Kg7 59. Rd1 Rc4 60. Nc8 Rg4 61. Nd6 Bxd6 62. Rxd6
>Rxg3 63. Rb6 Rg4?
> {This ending is very hard to play for any engines on the black
> side. Only 63... g5! gives counterplay with black's passed pawn-h
> after 64... gxh4.}
>64. Rxb5 Rxh4 65. Rxb7
>{The position was more or less equal... from engines point of view even
>though white has to win in several moves!}
>65... Re4 67. c4 f5 68. c5 Rf7 69. c6 Rff8 70. Ra7 g5 71. c7
>{Black resigns} 1-0
>
>Best regards,
>Igor
>
>====================================================
>For games and more info on the Infinite Loop apply to
>http://www.digichess.gr/infiniteloop/
Hello Igor,
It looks to me that 67. c4 is premature since Rxc4 just collects a valuable
pawn. Did I miss something? Shouldn't black play Rc7 first then follow with
c4?
Jim
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.