Author: chandler yergin
Date: 11:16:34 04/22/05
Go up one level in this thread
On April 22, 2005 at 12:37:16, Mihaly Szalai wrote: >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. Thanks, I agree, they still have a long way to go. The "little grey cells" (per Hercule Poirot) can still outperform Silicon Mips! ;) Especially under Tournament Time Controls 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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