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Subject: Re: endgame position

Author: Andrew Williams

Date: 00:55:54 04/07/00

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On April 07, 2000 at 01:47:44, Will Singleton wrote:

>This occurred in a game tonight on ICC.  A program that considers king position
>and pawn majorities should be able to solve it quickly (mine doesn't).  Might be
>a good test position for amateur programs.  The winning move appears to be hxg4.
>
>[D]8/1p1k4/8/1Pp2p2/2P2Ppp/P3K2P/8/8 w - - 0 45
>
>
>[Event "ICC 3 1"]
>[Site "Internet Chess Club"]
>[Date "2000.04.06"]
>[Round "-"]
>[White "expertnet"]
>[Black "squirtle"]
>[Result "1-0"]
>[ICCResult "Black checkmated"]
>[WhiteElo "2267"]
>[BlackElo "2626"]
>[Opening "Alekhine's defense: modern, Schmid variation"]
>[ECO "B04"]
>[NIC "AL.05"]
>[Time "23:07:52"]
>[TimeControl "180+1"]
>
>1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Nb6 5. Be2 dxe5 6. Nxe5 N8d7 7. Nf3 Nf6
>8. h3 Bf5 9. O-O e6 10. c4 Be7 11. Nc3 O-O 12. Be3 Bb4 13. Rc1 Qe7 14. a3
>Bxc3 15. Rxc3 Ne4 16. Rc1 Rad8 17. Nd2 c5 18. dxc5 Nxd2 19. Bxd2 Qxc5 20.
>Be3 Qa5 21. Qe1 Qa4 22. Qc3 Qc6 23. Bf3 Be4 24. Bxe4 Qxe4 25. Bxb6 axb6 26.
>Rcd1 Qc6 27. Rd3 Rd7 28. Rfd1 Rfd8 29. Rxd7 Rxd7 30. Rxd7 Qxd7 31. Qe3 Qc7
>32. b3 Qc5 33. Qxc5 bxc5 34. Kf1 Kf8 35. Ke2 Ke7 36. b4 Kd6 37. Kd3 g5 38.
>g4 f5 39. gxf5 exf5 40. Ke3 h5 41. Kd3 h4 42. Ke3 Kc6 43. b5+ Kd7 44. f4 g4
>45. hxg4 fxg4 46. a4 b6 47. f5 h3 48. Kf2 h2 49. Kg2 g3 50. f6 Kd6 51. f7
>Ke7 52. a5 bxa5 53. b6 Kxf7 54. b7 Ke6 55. b8=Q Kd7 56. Qxg3 a4 57. Kxh2 Kc6
>58. Qa3 Kb7 59. Qxa4 Kc7 60. Kg3 Kd6 61. Kf4 Ke6 62. Qa6+ Kd7 63. Ke5 Kc7
>64. Kd5 Kb8 65. Qh6 Kb7 66. Kxc5 Kc8 67. Qh7 Kd8 68. Kd6 Ke8 69. Qe7#
>{Black checkmated}
>1-0

Hi Will,

I get similar results to James here. Mine switches to hxg4 at ply 17 on my
PIII-450. It takes 5 minutes to find the move and nearly 11 minutes to
return the score of +0.98.

Andrew



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