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Subject: Re: PV length ???

Author: Dann Corbit

Date: 18:05:00 10/25/02

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On October 25, 2002 at 20:10:17, Nagendra Singh Tomar wrote:

>Hello all,
>
>If we are using PVS search and assume that at the root, the 2nd move (searched
>with a zero window) turns out to be the best move. Since we are passing a zero
>window down to that subtree, at all the plys below, it will either fail-low or
>fail-high, so none of the plies will update the PV. In this case we will get a
>pv length of 1 (with only the root move in the PV).
>Is this true whenever any move other than the first move tried at the root lies
>on the PV.
>How do we fill the PV in such cases ? using trans table ?

http://www.seanet.com/~brucemo/topics/pv.htm



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