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Subject: Re: Snatching defeat from the jaws of victory.

Author: Robert Hyatt

Date: 06:24:48 05/01/00

Go up one level in this thread


On May 01, 2000 at 06:29:16, Chris Taylor wrote:

>I was checking through the latest moves, in my latest tournament.  On two
>computers, and found this gem.
>
>Shredder 4.00 was on a Celeron_500 Hash 96Mb_Eval_32Mb I think it is set up for
>the best play, all sounds and commentary off Endgame turbo, all of it.
>
>Fritz 6a  Amd_450 128Mb Hash.  Endgame turbo, all of it. Nimzo7.32.ctg book
>
>The following game with the result? A DRAW? 60 mins each.
>I don't know what went wrong, with the Fritz evaluation.  For Shredder to escape
>with a draw, is a wonderful swindle!  Or, for Fritz to draw this won ending,
>smacks of snatching defeat from the jaws of victory??  Fritz spots mates, tons
>of them, and writes these into the pgn file.  Why did it not win?
>From move 90 onwards?  The result stands cus white could not press home the
>advantage?  Pity to throw away a win though?
>
>Chris Taylor
>
>[Event "Level=Blitz:60'. "]
>[Site "Notts"]
>[Date "2000.04.28"]
>[Round "5"]
>[White "Fritz 6a"]
>[Black "Shredder 4.00"]
>[Result "1/2-1/2"]
>[ECO "D38"]
>[Annotator "0.13"]
>[PlyCount "319"]
>[EventDate "2000.04.27"]
>
>{131072kB, Nz7book.ctg. K6_450} 1. d4 {0} 1... Nf6 {1} 2. c4 {0} 2... e6 {1} 3.
>Nf3 {0} 3... d5 {1} 4. Nc3 {0} 4... Bb4 {2} 5. Bg5 {0} 5... h6 {1} 6. Bxf6 {0}
>6... Qxf6 {1} 7. e3 {0} 7... O-O {1} 8. Be2 {0} 8... c6 {last book move 72} 9.
>O-O {0.13/13 163} 9... Nd7 {2} 10. Qb3 {0.13/13 274} 10... Be7 {71} 11. Rfc1 {
>0.09/13 116} 11... Nb6 {122} 12. Rc2 {0.09/13 0} 12... Qf5 {141} 13. Rac1 {
>0.16/12 73} 13... Rd8 {1} 14. Nb1 {0.16/13 232} 14... Nxc4 {54} 15. Bxc4 {
>0.09/14 219} 15... dxc4 {73} 16. Qxc4 {0.09/13 25} 16... Bd7 {63} 17. Nc3 {
>0.16/13 192} 17... c5 {65} 18. dxc5 {0.16/11 55} 18... Bxc5 {43} 19. Qh4 {
>0.22/11 50} 19... Bb6 {128} 20. b4 {0.09/12 119} 20... Rac8 {58} 21. e4 {
>0.13/12 96} 21... Qh7 {2} 22. Kh1 {0.19/11 57} 22... Be8 {103} 23. a3 {
>0.00/11 43} 23... Rd7 {8} 24. a4 {0.00/12 151} 24... Bd8 {2} 25. Qf4 {
>0.00/11 41} 25... Bc7 {54} 26. Qe3 {0.13/11 36} 26... Bb6 {35} 27. Qe1 {
>0.22/12 43} 27... a6 {61} 28. a5 {0.19/13 113} 28... Ba7 {2} 29. b5 {0.22/12 42
>} 29... Rdd8 {96} 30. bxa6 {0.22/12 50} 30... bxa6 {28} 31. Nd5 {0.22/12 6}
>31... Rxc2 {35} 32. Ne7+ {0.25/14 0} 32... Kh8 {74} 33. Rxc2 {0.25/15 0} 33...
>Bb8 {52} 34. Rc8 {0.22/13 0} 34... Rxc8 {7} 35. Nxc8 {0.25/13 4} 35... Bb5 {43}
>36. Qb4 {0.09/14 22} 36... Qg8 {57} 37. Nd6 {0.00/15 0} 37... Bxd6 {59} 38.
>Qxd6 {0.00/15 0} 38... Qa8 {49} 39. e5 {-0.03/14 0} 39... Be2 {42} 40. Ne1 {
>-0.12/14 53} 40... Qe4 {47} 41. Qc5 {0.00/14 11} 41... Bc4 {35} 42. Nf3 {
>0.00/15 7} 42... Kh7 {38} 43. Qd4 {-0.19/15 67} 43... Qb1+ {2} 44. Ng1 {
>-0.19/16 29} 44... Bb5 {17} 45. Qd2 {-0.19/13 10} 45... Kg6 {36} 46. h3 {
>0.00/13 49} 46... Kf5 {42} 47. Qc3 {-0.09/11 26} 47... Qd3 {53} 48. Qc7 {
>0.00/12 42} 48... Kg6 {37} 49. Qc1 {-0.19/13 56} 49... Qf1 {50} 50. Qd2 {
>0.00/14 0} 50... Bc4 {68} 51. Kh2 {-0.12/14 49} 51... Bd5 {3} 52. f3 {
>-0.03/14 47} 52... Qb5 {3} 53. Ne2 {0.09/13 40} 53... Bc4 {2} 54. Qc2+ {
>0.19/13 26} 54... f5 {10} 55. Nf4+ {0.19/13 12} 55... Kf7 {33} 56. Qc3 {
>0.16/14 43} 56... g5 {70} 57. Nh5 {0.22/13 22} 57... Kg6 {14} 58. Nf6 {
>0.34/13 6} 58... Qa4 {134} 59. Qd2 {1.09/13 31} 59... Qb5 {29} 60. Qd6 {
>1.41/13 19} 60... Kf7 {46} 61. f4 {1.53/12 0} 61... Bb3 {224} 62. Qb6 {
>2.13/11 23} 62... Ba4 {72} 63. Qc7+ {2.47/11 9} 63... Kf8 {25} 64. Nh7+ {
>2.47/12 0} 64... Ke8 {5} 65. fxg5 {2.53/11 6} 65... hxg5 {19} 66. Qc8+ {
>2.63/12 0} 66... Ke7 {23} 67. Qf8+ {2.66/13 0} 67... Kd7 {2} 68. Qd6+ {
>2.63/11 19} 68... Kc8 {3} 69. Qxe6+ {2.63/10 4} 69... Kb7 {65} 70. Nxg5 {
>2.72/12 0} 70... Qxa5 {40} 71. Nf7 {2.72/11 0} 71... Kc7 {38} 72. Qe7+ {
>2.78/11 0} 72... Kc6 {10} 73. Qf6+ {2.81/10 0} 73... Kc5 {22} 74. Qxf5 {
>2.84/9 7} 74... Qd2 {23} 75. e6+ {2.84/11 0} 75... Kb6 {16} 76. h4 {2.91/11 14}
>76... Bc6 {31} 77. Qg4 {3.16/12 0} 77... Bb5 {62} 78. h5 {3.16/12 0} 78... Be2
>{24} 79. Qf5 {3.13/12 0} 79... Qd4 {22} 80. h6 {4.06/10 10} 80... Bd3 {47} 81.
>Qg5 {7.81/12 0} 81... Bg6 {69} 82. h7 {8.91/10 5} 82... Bxh7 {14} 83. e7 {
>9.19/11 1} 83... Qe4 {29} 84. Qe5 {10.03/10 0} 84... Bg6 {51} 85. Qxe4 {
>10.16/9 7} 85... Bxe4 {34} 86. e8=Q {12.19/11 0} 86... Bh7 {22} 87. Nd8 {
>12.34/8 7} 87... Kc5 {64} 88. Qe7+ {13.75/8 4} 88... Kd5 {9} 89. Qxh7 {
>13.53/9 0} 89... a5 {20} 90. Qd3+ {#21/8 7} 90... Ke5 {9} 91. Qd4+ {#19/6 1}
>91... Kxd4 {4} 92. Nc6+ {#17/4 0} 92... Kc3 {2} 93. Nxa5 {#16/5 0} 93... Kd4 {6
>} 94. Nc6+ {#17/4 0} 94... Kd5 {1} 95. Nb4+ {#16/4 0} 95... Ke4 {1} 96. g4 {
>#15/5 0} 96... Kf4 {1} 97. Kh3 {#14/5 0} 97... Kg5 {1} 98. Kg3 {#13/5 0} 98...
>Kf6 {1} 99. Nd5+ {#14/4 0} 99... Ke5 {2} 100. Nb4 {#13/5 0} 100... Kf6 {2} 101.
>Kf4 {#12/5 0} 101... Kg6 {1} 102. g5 {#11/5 0} 102... Kf7 {2} 103. Kf5 {#10/5 0
>} 103... Ke7 {1} 104. Nc6+ {#9/4 0} 104... Kf7 {2} 105. g6+ {#8/4 0} 105... Kg7
>{1} 106. Ne5 {#7/5 0} 106... Kf8 {2} 107. Nd7+ {#8/4 0} 107... Ke7 {2} 108. Ke5
>{#7/5 0} 108... Kxd7 {1} 109. g7 {#6/5 0} 109... Kc6 {2} 110. g8=Q {#5/5 0}
>110... Kb5 {1} 111. Qd5+ {#4/4 0} 111... Kb4 {2} 112. Qd4+ {#5/4 0} 112... Kb3
>{2} 113. Qd3+ {#4/4 0} 113... Kb4 {2} 114. Qd2+ {#5/4 0} 114... Kb5 {2} 115.
>Qd3+ {#5/4 0} 115... Kb4 {2} 116. Qd6+ {#6/4 0} 116... Kc3 {2} 117. Qc5+ {
>#5/4 0} 117... Kb2 {2} 118. Qb4+ {#4/4 0} 118... Kc2 {1} 119. Qc4+ {#4/4 0}
>119... Kd2 {2} 120. Qd4+ {#5/4 0} 120... Kc2 {2} 121. Qc5+ {#5/4 0} 121... Kb2
>{2} 122. Qb5+ {#5/4 0} 122... Kc3 {2} 123. Qc6+ {#6/4 0} 123... Kd3 {2} 124.
>Qd5+ {#6/4 0} 124... Kc3 {2} 125. Qd4+ {#5/4 0} 125... Kb3 {2} 126. Qe3+ {
>#5/4 0} 126... Kb2 {2} 127. Qd2+ {#4/4 0} 127... Kb3 {2} 128. Qd1+ {#5/4 0}
>128... Kb4 {2} 129. Qg4+ {#6/4 0} 129... Kb3 {2} 130. Qe6+ {#6/4 0} 130... Kc3
>{2} 131. Qc8+ {#6/4 0} 131... Kd3 {2} 132. Qd7+ {#6/4 0} 132... Kc2 {2} 133.
>Qa4+ {#5/4 0} 133... Kd3 {1} 134. Qb3+ {#5/4 0} 134... Ke2 {2} 135. Qc2+ {
>#5/4 0} 135... Kf3 {2} 136. Qd3+ {#4/4 0} 136... Kf2 {2} 137. Qd2+ {#4/4 0}
>137... Kf3 {2} 138. Qc3+ {#4/4 0} 138... Kg2 {2} 139. Qd2+ {#4/4 0} 139... Kf3
>{2} 140. Qf4+ {#4/4 0} 140... Ke2 {2} 141. Qe4+ {#4/4 0} 141... Kd1 {2} 142.
>Qd3+ {#4/4 0} 142... Ke1 {2} 143. Qe3+ {#4/4 0} 143... Kd1 {2} 144. Qf3+ {
>#5/4 0} 144... Kc2 {2} 145. Qe2+ {#5/4 0} 145... Kc3 {2} 146. Qe3+ {#5/4 0}
>146... Kb2 {2} 147. Qd4+ {#5/4 0} 147... Kc2 {2} 148. Qf2+ {#6/4 0} 148... Kc3
>{2} 149. Qe1+ {#6/4 0} 149... Kc4 {2} 150. Qc1+ {#6/4 0} 150... Kd3 {2} 151.
>Qd1+ {#5/4 0} 151... Ke3 {2} 152. Qd4+ {#5/4 0} 152... Kf3 {2} 153. Qe4+ {
>#4/4 0} 153... Kf2 {1} 154. Qf4+ {#4/4 0} 154... Ke2 {2} 155. Qc4+ {#5/4 0}
>155... Kd2 {2} 156. Qb4+ {#5/4 0} 156... Kc2 {2} 157. Qe4+ {#6/4 0} 157... Kd1
>{2} 158. Qd5+ {#5/4 0} 158... Kc2 {2} 159. Qg2+ {#6/4 0} 159... Kc3 {2} 160.
>Qh3+ {#6/4 0} 1/2-1/2


You are missing key endgame database files.  Fritz doesn't know how to handle
this properly.



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