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Subject: Re: Material vs Positional Assessments

Author: Pete Galati

Date: 20:05:46 01/07/01

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On January 07, 2001 at 20:57:46, Ricardo Gibert wrote:

>One well known rule of thumb is: It is often a bad idea to grab more material
>when already ahead in material.
>
>For instance, when I play, I generally avoid increasing my material advantage
>unless it does not cost me anything (time, structure, open lines for opponent,
>etc.) to do so or I have nothing else to do that is constructive.

I think that when you're ahead in material, it's a good idea to trade pieces,
but if you're behind in material it's a bad idea to trade.  That's the rule of
thumb I go by.  My impresion is that most Chess programs go by that rule too,
but I could be wrong.

>
>In fact, a reasonable rule of thumb for open positions might be: The 1st pawn
>grabbed is worth 3 tempi, but the 2nd pawn is only worth 1 tempo. Something I
>observed while I studied some of Morphy's games.
>
>My question is: Do any programs take this into account or do they all consider
>the 2nd pawn they grab to be as valuable as the 1st?

I'm not familier with that idea.  I think one of the reasons a gambit works is
because it _costs_ time to make a capture.

Pete



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