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Subject: Re: resolving a fail-low

Author: Will Singleton

Date: 09:20:14 03/07/99

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On March 07, 1999 at 04:50:13, Dave Gomboc wrote:

>On March 02, 1999 at 17:25:08, Will Singleton wrote:
>
>>   5R2/8/8/4rp2/3r4/5k2/2B1p2P/2K1R3 w - -
>>   White to move and draw.
>>

<snip>

>>And for some reason, it took my program a ton of nodes to resolve the fail-low,
>>and then a ton more to find the better move.  Something for me to worry about.
>>Will
>

>How are you trying to resolve the fail-low at the PV?  Have you tried completely
>restarting the search (with the TT intact! :)  My understanding is that this is
>the preferred method nowadays... but certainly, YMMV.
>
>I am interested to hear from those who do restart on PV fail-lows, and those who
>tried it but found it lacking.
>
>Dave Gomboc

I hadn't thought of that, will try it and let you know.  Thanks for the
suggestion.

Will



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