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Subject: Re: Instability thing...

Author: Andrew Platt

Date: 04:08:31 09/19/04

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On September 19, 2004 at 00:13:54, Stuart Cracraft wrote:

>>Make sure you reset the PV if you cutoff, etc. too.
>
>Thanks for the exposition/code -- But what is "reset the PV if you cutoff?"
>The cutoff I see is in
>
>  if (Score >= Beta)
>  {
>    return Score;
>  }
>
>but I see no resetting the PV in there???

Now I look further I see I don't either; I'm not sure what I was thinking! I do
reset it if I'm about to return a mate / stalemate call but that's a redundant
call because it only happens if there were no legal moves. And if there were no
legal moves I wouldn't have had a chance to update it!

Andy.



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