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Subject: Re: Why did Karpov resigned in this position?

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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