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Subject: Re: 40.. Bc7 [was Re: Deep Blue--Part III]

Author: Robert Hyatt

Date: 10:33:50 05/11/98

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On May 11, 1998 at 12:09:18, Christophe Theron wrote:

>On May 11, 1998 at 10:17:20, Vincent Diepeveen wrote:
>
>
>>Never heard of 'deep search' extensions.
>>Where can i read about what donninger published about it?
>
>ICCA Journal, Vol 16 no 3, September 1993:
>Chr. Donninger: Null move and deep search (p. 137).
>
>
>I remember Chrilly reporting he is not using the deep search extensions
>any more.
>
>
>    Christophe


I tried this, plus a variation called "threat extension" a couple of
years
back.  I didn't like either.  Yes, it found some wild PV's at times.
But
yes, it also slowed it down dramatically at times too...



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