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Subject: Re: Position of the Week

Author: Jeremiah Penery

Date: 17:47:00 05/03/99

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On May 03, 1999 at 20:22:12, Will Singleton wrote:

>On May 03, 1999 at 20:16:44, Jeremiah Penery wrote:
>
>>On May 03, 1999 at 18:20:29, James Robertson wrote:
>>
>>>On May 03, 1999 at 17:26:19, Dann Corbit wrote:
>>
>>My modified Crafty 16.6 on PII-300 settles on Bxf4 after .2 seconds. :)
>>
>>Jeremiah
>
>Yes, but how can you tell when it would see the problem with Rxd3?  Does crafty
>have a next best move feature?
>
>Will

You can type 'search <move>' to see, but there is no next-best feature, AFAIK.
A fail-low on Rxd3 comes first at ply 6, when Bxf4 is then picked.  Bxf4 fails
high at ply 9 (4 seconds), and Rxd3 fails low again at ply 10 (around 19 seconds
in the full search, 5 seconds when searching only Rxd3).  The score for Bxf4
continues to rise at least until ply 13.  So, I suppose Bxf4 is first picked on
'positional' grounds, before seeing the real danger.

Jeremiah



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