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Subject: Re: Testposition - Crafty 18.15

Author: Eduard Nemeth

Date: 23:59:34 08/20/02

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On August 20, 2002 at 23:50:46, Eduard Nemeth wrote:

>On August 20, 2002 at 22:29:44, Eduard Nemeth wrote:
>
>>Here played two player with an Elo about 2500:
>>
>>
>>[Event "17th Open Avoine FRA"]
>>[Site "?"]
>>[Date "2002.??.??"]
>>[Round "?"]
>>[White "Dumitrache,D"]
>>[Black "Smetankin,S"]
>>[WhiteElo "2500"]
>>[BlackElo "2455"]
>>[ECO "A65"]
>>[Result "0-1"]
>>
>>1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6
>>7. Bd3 Bg7 8. Nge2 O-O 9. O-O a6 10. a4 Nbd7 11. h3 Re8
>>12. Ng3 h5 13. Bg5 Qc7 14. Rc1 Nh7 15. Be3 h4 16. Nge2 Ne5
>>17. b4 b6 18. a5 Nxd3 19. Qxd3 c4 20. Qc2 bxa5 21. Qa4 Nf6
>>22. Qxa5 Qxa5 23. bxa5 Nxe4 24. Na4 c3 25. Rfd1 Bd7 26. Nb6
>>Ra7 27. Bd4 Bh6 28. Rc2 Bb5 29. Nxc3 Nxc3 30. Rxc3 Rae7
>>31. Rc8 Bg5 32. Bb2 Kh7 33. Rxe8 Rxe8 34. Bc1 Kh6 35. Bxg5+
>>Kxg5 36. Rc1 Re4 37. Rc7 f6 38. Kh2 f5 39. f3 Re2 40. Nc8
>>Rd2 41. Nxd6 Rxd5 42. Nxb5 Rxb5 43. Rc6 Rxa5 44. f4+ Kh6
>>45. Kg1 Ra2 46. Rc7 a5 47. Ra7 a4 48. Kf1 a3 49. Kg1 Ra1+
>>50. Kf2 a2 51. Ra8 Kg7 52. Ra7+ Kf6 53. Ra6+ Ke7 54. Ra7+
>>Kd6 55. Ra5 Kc6 56. Ra8 Kd5 57. Ra4 Kc5 58. Ra7 Kc4 59. Ra8
>>Kb3 60. Rb8+ Kc3 61. Rc8+ Kd3 62. Ra8 Rc1 63. Rxa2 Rc2+
>>64. Rxc2 Kxc2 65. Ke2 Kc3 66. Ke3 Kc4 67. g3 (67. Kf3 Kd3
>>68. Kf2 (68. g3 Kd2 69. Kf2 Kd1 $1 70. Kf3 Ke1 $19)
>>68... Kd2 69. Kf3 Ke1 70. g3 hxg3 71. Kg2 Ke2 72. Kxg3
>>Kf1 $19) (67. Ke2 Kd4 68. g3 Ke4 69. Kf2 Kd3 70. Kf3 Kd2
>>71. Kf2 Kd1 $19) 67... Kc3 68. gxh4 (68. Ke2 Kd4 69. Kf3
>>Kd3 $19) 68... Kc4 69. Ke2 Kd4 70. Kd2 Ke4 71. Ke2 Kxf4
>>72. Kf2 Ke4 73. Ke2 f4 74. Kf2 f3 75. Ke1 Kf5 76. Kf1 Ke5
>>77. h5 gxh5 78. h4 Kf4 79. Kf2 Kg4 0-1
>>
>>In this game (with my comments) won black with the nice move 62...Rc1!
>>In my comments you can see, that black can win the pawn-ending, allways!
>>
>>But after an moves "only" with his king, black cannot win!
>>
>>How many time your program needs, to see that Rc1 this game win?
>>
>>Here this position after move 62, white:
>>
>>[D]R7/8/6p1/5p2/5P1p/3k3P/p4KP1/r7 b - -
>>
>>Eduard
>
>I have seen that only the pawn ending is not easy for some programs.
>
>here, afret move 64:
>
>[D]8/8/6p1/5p2/5P1p/7P/2k2KP1/8 w - -
>
>
>Black win but...
>
>Analysis by Chess Tiger 14.0:
>
>00:01:45.8	-0,18	23	25015048	Ke2 Kc3 Kf3 Kd3 g3 Kd2 Kf2 Kd1 Kf1 Kc2 Ke2 Kc3 Ke3
>hxg3 Kf3 g2 Kxg2 Kd3 Kg3 Ke4
>00:04:02.8	-0,18	24	56035594	Ke2 Kc3 Kf3 Kd3 g3 Kd2 Kf2 Kd1 Kf1 Kc2 Ke2 Kb3 Ke3
>Kc4 Kf2 Kd4 Kf3 hxg3 Kxg3 Ke4
>00:14:18.2	-0,18	25	198480611	Ke2 Kc3 Ke3 Kc4 Ke2 Kd4 g3 Ke4 Kf2 Kd3 Kf3 Kd2 Kf2
>Kc3 Kg2 Kd4 Kf3 hxg3 Kxg3 Ke4
>
>;-(
>
>Eduard

Neue Partie
8/8/6p1/5p2/5P1p/7P/2k2KP1/8 w - - 0 1

Analysis by Crafty 18.15:

1.Ke2 Kc3 2.Ke3 Kc4 3.Ke2 Kd4 4.Kf2 Ke4 5.g3 Kd4 6.Ke2 Kc3 7.Ke3 Kc4 8.Kf2 Kd3
9.Kf3 Kc2 10.Ke2 Kb3 11.Kd3 hxg3 12.Ke2 g2 13.Kf2
  =  (-0.09)   Tiefe: 27/49   00:04:18  65152kN, tb=28898
1.Ke2 Kc3 2.Ke3 Kc4 3.Ke2 Kd4 4.Kf2 Ke4
  ยต  (-0.86)   Tiefe: 28/49   00:10:20  178003kN, tb=119844

(Nemeth, Stuttgart 21.08.2002)

Crafty 18.15  is here stronger than Tiger, but in my opinion this 10 minutes  on
my P600 is indiskutabel too!

Eduard




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