Author: Uri Blass
Date: 10:56:09 11/16/02
Go up one level in this thread
On November 14, 2002 at 13:33:48, Terry Ripple wrote:
>On November 14, 2002 at 12:32:57, Terry Ripple wrote:
>
>>On November 14, 2002 at 08:31:19, Alastair Scott wrote:
>>
>>>[D] 8/4b3/6p1/3k4/5K2/7P/P5P1/8 w - - bm ;
>>>
>>>From a 5+2 game, myself (White) versus Ruffian 1.0.1; the position is after
>>>Black's 55th move.
>>>
>>>What does your program think?
>>>
>>>[Event "Computer Chess Game"]
>>>[Site "London, United Kingdom"]
>>>[Date "2002.11.14"]
>>>[Round "1"]
>>>[White "Alastair Scott"]
>>>[Black "Ruffian 1.0.1 (P200 128MB)"]
>>>[Result "1-0"]
>>>[ECO "C78"]
>>>[Opening "Ruy Lopez"]
>>>[Time "12:59:45"]
>>>[Variation "Archangelsk (counterthrust) variation"]
>>>[TimeControl "300"]
>>>
>>>1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bb7 7. d3 Bd6 8.
>>>Be3 Na5 9. Nbd2 O-O 10. c3 h6 11. Bc2 Ng4 12. Qe2 b4 13. h3 Nxe3 14. fxe3 bxc3
>>>15. bxc3 Rb8 16. Rab1 Re8 17. Nh2 Re6 18. Rf5 Rf6 19. Qf2 Rxf5 20. Qxf5 Bc6
>>>21. Ng4 Rxb1+ 22. Bxb1 Qg5 23. Qxg5 hxg5 24. Kf2 f6 25. Ke2 Bb5 26. c4 Ba4 27.
>>>Nf2 Bb4 28. Nd1 Kf7 29. Nb2 Bc6 30. Bc2 Bb7 31. Bb1 f5 32. Nf3 fxe4 33. Nxg5+
>>>Ke7 34. Nxe4 Ba3 35. Nd1 Bxe4 36. dxe4 Nxc4 37. Bd3 Nd6 38. Bxa6 Nxe4 39. Bd3
>>>Nc5 40. Bb1 c6 41. Nc3 d5 42. Nd1 e4 43. Nf2 Nd7 44. Nd1 Bb4 45. Nf2 c5 46.
>>>Bc2 c4 47. Nd1 Ne5 48. Nb2 Nd3 49. Bxd3 exd3+ 50. Nxd3 cxd3+ 51. Kxd3 Kd6 52.
>>>e4 Ke5 53. exd5 Kxd5 54. Ke3 g6 55. Kf4 Be7 56. g3 Kd6 57. h4 Ke6 58. a4 Bd8
>>>59. h5 g5+ 60. Kg4 Kf6 61. Kf3 Kg7 62. g4 Kf6 63. Ke4 Ba5 64. Kd5 Bd2 65. Kc4
>>>Ke5 66. Kb5 Be3 67. a5 Kf6 68. Kc6 Bd4 69. Kb7 Ke5 70. a6 Ke6 71. a7 Bxa7 72.
>>>Kxa7 Ke7 73. Kb6 Ke6 74. Kc6 Ke5 75. Kd7 Kf4 76. h6 Kxg4 77. h7 Kf3 78. h8=Q
>>>g4 79. Qh1+ Kf2 80. Qh2+ Ke3 81. Qg3+ Ke4 82. Qxg4+ Ke5 83. Ke7 Kd5
>>> {Black resigns} 1-0
>>---------------------------
>>RUFFIAN missed a dead drawn endgame! Too bad for Ruffian but good for you!!
>>
>>Did Ruffian offer the resignation?
>>
>>Regards,
>> Terry
>-----------------------------
>
>Here is some additional proof from Fritz 7 that this position is a dead draw!
>
>Regards,
> Terry
>
>New position
>8/4b3/6p1/3k4/5K2/7P/P5P1/8 w - - 0 1
>
>Analysis by Fritz 7:
>
>1.g3 Kd6 2.h4 Bf6 3.a4 Bc3 4.Kg5
> µ (-1.28) depth: 7/12 00:00:00 15kN
>1.g3 Kd6 2.h4 Kc5 3.Ke5 Kb5 4.Kd5 Bc5
> µ (-1.34) depth: 8/14 00:00:00 27kN
>1.g3
> µ (-1.06) depth: 9/16 00:00:01 63kN, tb=7
>1.g3
> µ (-0.78) depth: 10/16 00:00:01 137kN, tb=20
>1.Kg4
> µ (-0.75) depth: 10/16 00:00:02 162kN, tb=20
>1.Kg4
> ³ (-0.59) depth: 10/16 00:00:02 182kN, tb=20
>1.Kg4
> ³ (-0.28) depth: 10/16 00:00:02 209kN, tb=20
>1.Kg4 Bf6 2.h4 Kc5 3.h5 gxh5+ 4.Kxh5
> = (0.00) depth: 11/16 00:00:03 270kN, tb=31
>1.Kg4
> ³ (-0.34) depth: 12/16 00:00:03 302kN, tb=33
>1.Kg4
> ³ (-0.34) depth: 12/16 00:00:04 326kN, tb=40
>1.Kg4
> = (0.00) depth: 13/17 00:00:06 504kN, tb=90
>1.Kg4 Ke6 2.h4 Kf6 3.h5 g5 4.a4 Bd8 5.g3 Ba5 6.h6 Kg6 7.h7 Bc3
> = (-0.21) depth: 14/17 00:00:07 608kN, tb=106
>1.Kg4 Ke6 2.h4 Kf6 3.h5 g5 4.a4 Bb4 5.Kf3 Kf5 6.g4+ Ke5 7.h6 Bc3 8.h7
> = (-0.25) depth: 15/20 00:00:09 837kN, tb=158
>1.g3
> = (-0.21) depth: 15/22 00:00:17 1371kN, tb=561
>1.g3 Ke6 2.h4 Kf6 3.g4 Bd6+ 4.Kf3 Ke5 5.g5 Kf5 6.h5 gxh5 7.g6 Kf6 8.g7
> = (-0.18) depth: 16/24 00:00:36 3035kN, tb=1824
>1.a4
> = (-0.15) depth: 16/24 00:00:50 4145kN, tb=2432
>1.a4 Ke6 2.a5 g5+ 3.Kg4 Kd7 4.g3 Kc8 5.h4 gxh4 6.gxh4
> = (0.00) depth: 16/24 00:01:02 5461kN, tb=3163
>1.a4 Ke6 2.a5 g5+ 3.Kg4 Kd7 4.g3 Kc8 5.h4 gxh4 6.gxh4
> = (0.00) depth: 17/26 00:01:17 6673kN, tb=4165
>1.a4 Ke6 2.a5 g5+ 3.Kg4 Kd7 4.g3 Kc8 5.h4 gxh4 6.gxh4
> = (0.00) depth: 18/28 00:01:43 8559kN, tb=6130
>1.a4 Ke6 2.a5 g5+ 3.Kg4 Kd7 4.g3 Kc8 5.h4 gxh4 6.gxh4
> = (0.00) depth: 19/30 00:02:26 11695kN, tb=9839
>1.a4 Ke6 2.a5 g5+ 3.Kg4 Kd7 4.g3 Kc8 5.h4 gxh4 6.gxh4
> = (0.00) depth: 20/32 00:03:51 17930kN, tb=17644
>1.a4 Ke6 2.a5 g5+ 3.Kg4 Kd7 4.g3 Kc8 5.h4 gxh4 6.gxh4
> = (0.00) depth: 21/34 00:06:17 28900kN, tb=29896
>1.a4 Ke6 2.a5 g5+ 3.Kg4 Kd7 4.g3 Kc8 5.h4 gxh4 6.gxh4
> = (0.00) depth: 22/35 00:10:10 46578kN, tb=50353
>1.a4 Ke6 2.a5 g5+ 3.Kg4 Kd7 4.g3 Kc8 5.h4 gxh4 6.gxh4
> = (0.00) depth: 23/38 00:17:09 77655kN, tb=86415
>1.a4 Ke6 2.a5 g5+ 3.Kg4 Kd7 4.g3 Kc8 5.h4 gxh4 6.gxh4
> = (0.00) depth: 24/38 00:28:48 128961kN, tb=151014
It is not a proof.
56.g3 was played in the game and not 56.a4
If you claim that ruffian missed a draw then it is better to say what is the
losing mistake of black in the game.
I did not analyze the game but 0.00 score from Fritz is not a proof that the
position is a draw.
Uri
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