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Subject: Shredder 5 question. (Uri /Anybody)

Author: James T. Walker

Date: 08:12:40 12/16/00


Can someone tell me how Shredder can lose the following game?  How can it make a
22 ply search (58 Bc2), get a score of 0.00 (probably correct) and then lose a
pawn and essentially the game 11 ply later?  Why would it abandon the center and
essentially it's pawns for a walk on the Kingside with no opportunities there?
Jim

[Event "60 Minutes/Game"]
[Site "auto232 match"]
[Date "2000.12.16"]
[Round "4"]
[White "Shredder 5"]
[Black "Rebel Century 3.0"]
[Result "0-1"]

1. d4 {book 0s} d5 {2s} 2. Nf3 {book 0s} Nf6 {2s} 3. e3
{book 0s} c5 {2s (Bf5)} 4. Be2 {book 0s} e6 {1:06m} 5. O-O
{book 0s} Nc6 {1:35m} 6. a3 {book 0s} b6 {1:31m (Bd6)}
7. c4 {+0.05/13 1:34m} dxc4 {2s (Bd6)} 8. dxc5 {+0.23/12
2:14m} Bxc5 {2s} 9. Qxd8+ {+0.10/13 1:09m} Nxd8 {2s}
10. Bxc4 {+0.24/12 15s} Bb7 {1:30m (O-O)} 11. b4 {+0.36/14
1:28m} Be7 {1:49m} 12. Nbd2 {+0.27/14 0s} O-O {1:02m (Nc6)}
13. Bb2 {+0.34/12 26s} Nc6 {21s} 14. Rac1 {+0.28/12 35s}
Rac8 {32s (a6)} 15. Ng5 {+0.30/12 1:11m} Rfd8 {1:28m (Nd5)}
16. Ndf3 {+0.22/11 57s} Nd7 {56s (Nd5)} 17. Rfd1 {+0.29/11
1:01m} Nde5 {1:52m (Nf6)} 18. Rxd8+ {+0.29/11 55s} Bxd8
{2s} 19. Bb5 {+0.35/12 1:06m} a6 {1:32m} 20. Nxe5 {+0.29/13
0s} Nxe5 {1:00m} 21. Rxc8 {+0.33/15 1:06m} Bxc8 {2s}
22. Be2 {+0.30/14 1:25m} Bxg5 {2s (Nd7)} 23. Bxe5 {+0.26/15
1:11m} Bb7 {45s} 24. f4 {+0.29/14 18s} Bh4 {1:49m (Be7)}
25. a4 {+0.36/14 1:09m} Be7 {1:37m} 26. Bc3 {+0.34/16 1s}
f5 {52s} 27. Kf2 {+0.30/15 9s} Kf7 {1:19m} 28. g3 {+0.25/15
2s} Bf6 {1:32m (h6)} 29. Bd4 {+0.16/16 55s} Bxd4 {33s (a5)}
30. exd4 {+0.17/17 52s} Ke7 {55s (a5)} 31. a5 {+0.31/17
50s} b5 {1:27m} 32. Ke3 {+0.23/19 3s} Bd5 {1:00m (h6)}
33. Bd3 {+0.22/17 55s} g6 {1:13m (h6)} 34. Bf1 {+0.18/16
14s} h6 {1:03m} 35. h4 {+0.29/18 0s} Kd7 {51s (Kd6)}
36. Be2 {+0.20/19 57s} Kc6 {46s (Ke7)} 37. Bd1 {+0.19/18
1:07m} Be4 {2s (Bc4)} 38. g4 {+0.18/18 37s} Kd6 {1:19m
(Kd5)} 39. g5 {+0.11/18 48s} h5 {45s (hxg5)} 40. Kd2
{+0.51/21 50s} Bd5 {40s} 41. Kd3 {+0.51/22 0s} Kd7 {53s
(Ba2)} 42. Kc3 {+0.50/23 1:32m} Be4 {47s (Kd6)} 43. Kd2
{+0.41/22 1:30m} Bc6 {58s (Bd5)} 44. Ke3 {+0.40/22 30s} Kd6
{33s (Bd5)} 45. Be2 {+0.40/22 38s} Be4 {5s} 46. Kd2
{+0.40/22 44s} Bd5 {42s (Bc6)} 47. Kc3 {+0.39/21 34s} Kc6
{40s (Be4)} 48. Kc2 {+0.39/21 38s} Bg2 {43s (Kd6)} 49. Kd2
{+0.37/21 39s} Be4 {46s} 50. Bd1 {+0.37/22 0s} Bd5 {39s
(Kd6)} 51. Kc3 {+0.36/21 33s} Kd7 {49s (Be4)} 52. Kd3
{+0.36/21 30s} Bh1 {37s (Kc6)} 53. Ke3 {+0.34/21 39s} Kd6
{35s} 54. Ke2 {+0.21/21 3s} Bc6 {39s (Bb7)} 55. Kf2
{0.00/21 24s} Bb7 {32s (Be4)} 56. Kg3 {0.00/23 33s} Bh1
{26s (Bc6)} 57. Bb3 {0.00/24 43s} Bd5 {2s} 58. Bc2 {0.00/22
5s} Ba2 {30s (Be4)} 59. Kf2 {-3.16/21 1:37m} Kd5 {27s}
60. Ke3 {-3.71/21 8s} Kc4 {20s} 61. Bd1 {-3.88/20 7s} Kc3
{11s (Kxb4)} 62. Bf3 {-3.96/21 1:03m} Bd5 {2s} 63. Be2
{-5.37/20 53s} Kxb4 {2s} 64. Kd2 {-5.37/19 59s} Kxa5 {2s
(Bc4)} 65. Kc3 {-5.63/21 1:42m} Ka4 {34s (b4+)} 66. Kb2
{-8.60/21 2:45m} a5 {16s} 67. Bd1+ {-9.92/21 1:35m} Kb4
{2s} 68. Be2 {-9.81/19 18s} a4 {5s} 69. Kb1 {-9.94/18
1:05m} Bc4 {2s (a3)} 70. Bf3 {-15.03/18 1:25m} Ka3 {27s
(a3)} 71. d5 {-13.44/19 1:54m} Bxd5 {33s} 72. Bd1
{-14.60/18 41s} b4 {1:02m} 73. Bxa4 {-17.83/19 16s} Kxa4
{6s} 74. Kc2 {-18.20/15 23s} Ka3 {23s (b3+)} 75. Kd3
{-17.74/14 19s} b3 {10s} 76. Kd4 {-21.89/18 41s} b2 {22s}
77. Ke5 {-17.14/13 31s} b1=Q {2s} 78. Kf6 {-M11/13 49s}
Qb2+ {24s (e5)} 79. Kxg6 {-M12/11 14s} Qh8 {7s} 80. Kf7
{-M10/11 9s} e5+ {12s (Qd8)} 81. Ke7 {-M7/10 8s} exf4 {6s
(Qg7+)} 82. Kd6 {-M7/10 10s} Qd8+ {7s (f3)} 83. Ke5 {-M6/9
9s} f3 {4s} 84. g6 {-M5/9 6s} f2 {3s} 85. g7 {-M4/8 6s} Bg8
{3s (f1Q)} 86. Kf4 {-M3/7 8s} f1=Q+ {3s} 87. Ke5 {-M2/6 1s}
Qe7+ {3s} 88. Kd4 {-M1/7 0s} Qc4# {3s} 0-1



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