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Subject: Re: What is the value of a pawn on the 7th rank in centipawns ?

Author: Uri Blass

Date: 11:14:46 06/21/03

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On June 21, 2003 at 14:03:14, Andrea Griffini wrote:

>Sorry for the funky topic... but i wonder how do strong program
>evaluate advanced pawns. I added a bonus table for free pawns
>and multiple free pawns that get up to 300 when they're on the
>7th rank

3 pawns is too much.
2 pawns is more logical.

<snipped>
>8/7p/5k2/5p2/p1p2P2/Pr1pPK2/1P1R3P/8 b - - bm Rxb2; id "WAC.002"
>
>Rxb2 looks obviously quite interesting even for a 1500 player :)
>but how do program get to play it ? Do they really analyze all the
>pointless checks the king will undergo or they will just consider
>"positionally" that two pawns that far are well worth a rook in
>these conditions ?
>
>Andrea

Movei needs to analyze all the checks.
It is possible to see it by evaluation before they promote but the rank of the
pawn is not enough and you may need other factors.

Uri



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