Computer Chess Club Archives




Subject: Re: passed pawn evaluation.

Author: Frank Phillips

Date: 10:22:08 01/12/04

Go up one level in this thread

On January 12, 2004 at 13:04:27, Robert Hyatt wrote:

>On January 12, 2004 at 11:07:19, Daniel Clausen wrote:
>>On January 12, 2004 at 10:02:07, Robert Hyatt wrote:
>>>give white two pawns on d2/e2.  Give black two pawns on a2/h2.  Both kings
>>>in the center.  Which side do you like?  :)
>>Black - even if the black pawns wouldn't be so advanced and would still be on
>>a7/h7. :)
>>Problem is, I wouldn't really know what to code here. Of course you can code
>>something so the engine won't exchange all pieces so it won't end up in this
>>hopeless situation. But maybe it would be better to not let this pawn structure
>>occur earlier in the game already, even if there's still pieces on the board.
>>Sheesh, hard decision! :)
>What you do is scale the connected bonus to material, and inversely scale the
>isolated (passed) penalty to material.  More material, connected is better,
>less material, they are equal, no material, isolated are way better...
>This was somthing pointed out to me by Roman (GM) on ICC a few years ago.  I
>told the story here multiple times and won't repeat unless someone asks...

I am asking :-)

This page took 0.02 seconds to execute

Last modified: Thu, 07 Jul 11 08:48:38 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.