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Subject: Re: retrieving the PV from hash questions

Author: Stuart Cracraft

Date: 19:05:58 09/06/04

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On September 06, 2004 at 18:33:47, Robert Hyatt wrote:

>On September 06, 2004 at 04:47:12, Alessandro Scotti wrote:
>
>>On September 05, 2004 at 22:12:35, Stuart Cracraft wrote:
>>
>>>I walk the PV until there is no further position. No limit. This can then
>>>either be left in the hash table if you don't clear between searches
>>>but like Bob, you should keep the PV entries and restore them in the
>>>hash table before the next search whether or not you table-clear due to
>>>potential changes.
>>>
>>>I don't do this. It's a simple fix. I don't know why I've delayed putting
>>>it in.
>>
>>I don't either. But since I get my PV from the hash table, it's already there.
>
>
>It won't _always_ be there .  That is the problem.  You can overwrite a key
>position and lose a move in the PV, and hence the _rest_ of the PV will not be
>useful.

I understand that. But unless you record the PV with an alternate technique,
you can't fill it since source == destination.

And I am not sure I want to do the triangular array gubbish.




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