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Subject: Re: Searching PV first

Author: Daniel Clausen

Date: 00:10:36 07/20/04

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On July 19, 2004 at 23:02:40, Robert Hyatt wrote:

[snip]

>Too much trouble.  When you finish an iteration, simply make sure that _all_ PV
>positions are in the transposition table along with the best move from the
>actual PV.  Since you should always try the transposition table move first,
>this guarantees you that you will search the PV moves first with no extra
>code or overhead of any kind in the search.

I guess that's the best solution overall which I will use in my new engine too.
The not so elegant part is that 'searching the PV first' and hashtables are
coupled - if you turn off HTs you no longer search the PV first. I guess as soon
as you have a reliable HT-implementation, this is a minor point though.

Sargon



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