Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: shredder 8 and weird PVs? (sandro?)

Author: Sune Fischer

Date: 17:09:08 01/19/04

Go up one level in this thread


On January 19, 2004 at 18:46:43, Robert Hyatt wrote:

>>It makes some sense though, if Crafty gets a hash hit on a PV node the PV will
>>get cut right there, while ours will have no problems being extracted into the
>>part that created the cutoff.
>
>Or not.  If you look back thru the comments in main.c, I used to do this to
>extend the PV.  IE on a hash hit, I would probe forward to pick up other moves
>as well.  And I found nonsense on occasion and decided to stop...

How can it be nonsense?

Let's say you pick up a single pv move and then qsearch is called.
That would end the pv.

The pv might lead to a bad position now, but it can't be considered nonsense
when you know what your qsearch can and can't resolve.

-S.

P.S.
By the power invested in me I hereby grant you full permission to snip the parts
you do not reply to.




This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.