Author: Igor Gorelikov
Date: 06:32:28 06/24/02
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/
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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