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Subject: Re: Strange endgame play by S8

Author: Anthony Cozzie

Date: 16:30:05 01/27/05

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On January 27, 2005 at 17:50:13, Richard Harrison wrote:

>On January 27, 2005 at 17:40:47, Ricardo Gibert wrote:
>
>>On January 27, 2005 at 16:37:11, Richard Harrison wrote:
>>
>>>In the following position, Shredder 8 plays the blunder move 66. Qxf4??  This
>>>move loses quickly. [After 15 minutes of thinking, still likes Qxf4]
>>>
>>>S7.04 does not deviate from 66. Qb2 and recognizes the draw instantly.  Ruffian
>>>1.05 also plays Qb2 (0.00)
>>>
>>>What does your Shredder 8 play?
>>>
>>>[D]8/8/8/2K5/1Q3pP1/4nP2/3pk3/8 w - - 0 66
>>
>>KQNKQ is generally an easy draw with some exceptional cases. Qxf4 reaches such
>>an ending with 2 extra pawns to boot, so I can't fault Qxf4. I can't see
>>anything particularly wrong with the choice. Why do you think this is a blunder?
>>Bear in mind that engines might return a large negative score in endings that
>>are easy draws.
>
>Yes, I do agree with you.  After 66. Qxf4 d1(Q), white will have a difficult
>time just trying to gain a draw.  66. Qb2 draws instantly.
>
>Apparently, from other responses, S8 in the ChessBase GUI does play 66. Qb2.
>I'd like to find out from someone using the classic GUI what Shredder prefers.


Drawing Q vs QN is not really that difficult, especially for a computer with
5-man tables ;)

anthony



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