Author: Mihaly Szalai
Date: 09:37:16 04/22/05
Go up one level in this thread
On April 22, 2005 at 12:16:52, chandler yergin wrote: >On April 22, 2005 at 12:01:09, Mihaly Szalai wrote: > >>On April 22, 2005 at 09:29:13, Andrey Popov wrote: >> >>>This is the last position of the last game of Kasparov-Karpov match. >>>If Karpov (Black) reaches a draw, he wins the match. >>>Of course, White has a huge advantage. >>>However, I do not see any way to win. >>>5n1k/5Q2/4p1p1/2q1P2p/7P/6P1/5PK1/3B4 b - - 0 64 >>>[D]5n1k/5Q2/4p1p1/2q1P2p/7P/6P1/5PK1/3B4 b - - 0 64 >>>Why did Karpov resigned? >>>Can anybody see a series of White's moves leading to win after Qc5-b4? >>>Engines quickly go to score about +3.00 and stick on it forever. >> >>According to Kasparov this is the winning line: >> >>64... Qb4 65. Bf3 Qc5 66. Be4 Qb4 67. f3 Qd2+ 68. Kh3 Qh6 (68... Qb4 69. Bxg6 >>Nxg6 70. Qxg6 Qxh4+ 71. Kg2) 69. f4 Qg7 70. Qxg7+ Kxg7 71. Bc6+- >> >>and we can agree with him: >> >>71... Kf7 72. Kg2 Ke7 73. Kf3 Nh7 (73... Kd8 74. Ke4 Kc7 75. Be8 Kd8 76. Ba4 Kc7 >>77. Kd4) 74. Ke4 Nf8 75. Kd4 Kd8 (75... Nh7 76. Kc5 Nf8 77. Bb5 Nh7 78. Kc6 Nf8 >>79. Bd3) 76. Kc5 Kc7 77. Be4 etc. > > >Neither of you took the line to Mate! > >The +- & etc.. is not convincing! > >What engine can 'demonstate' a Mate? > >The PV evals are static positional values, and meaningless unless a Mate >is found. The mate is too far to be seen by a chess engine. Here is a variation for your entertainment: 64... Qb4 65. Bf3 Qc5 66. Be4 Qb4 67. f3 Qd2+ 68. Kh3 Qh6 69. f4 Qg7 70. Qxg7+ Kxg7 71. Bc6 Kf7 72. Kg2 Ke7 73. Kf3 Nh7 74. Ke4 Nf8 75. Kd4 Kd8 76. Kc5 Kc7 77. Be4 Nd7+ 78. Kb5 Nf8 79. Ka6 Kc8 80. Kb6 Kd7 81. Bd3 Kd8 82. Kc6 Ke7 83. Kc7 Kf7 84. Kd6 Nh7 85. Bc2 Nf8 86. Bb3 Nh7 87. Bxe6+ Kg7 88. Bd5 Kh8 89. Bc6 Nf8 90. e6 Nh7 91. e7 Nf6 92. e8=Q+ Nxe8+ 93. Bxe8 Kg7 94. Ke7 Kh7 95. Kf8 Kh8 96. Bf7 g5 97. hxg5 Kh7 98. g6+ Kh6 99. g7 h4 100. g8=Q hxg3 101. Qg6# 1-0
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