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Subject: Re: Material Values

Author: David Rasmussen

Date: 06:41:48 01/20/02

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On January 20, 2002 at 09:29:24, Severi Salminen wrote:

>On January 20, 2002 at 09:01:50, David Rasmussen wrote:
>
>>There must be a value system of material that takes care of all special cases.
>>
>>1,3,3,5,9:
>>
>>Has the following problems:
>>3 pawns for bishop or knight is almost always a bad idea.
>>2 knights/bishops for rook and pawn is almost always a bad idea.
>>2 rooks for queen is often not a good idea.
>>3 knights/bishops for a queens is often not a good idea. Then again, often it is
>>:)
>>
>>What is your best bet?
>
>And sometimes a Bishop is better than a knight. So:
>
>P=1, B>N>3*P, R+P>2*B, Q>2*R and Q>3*B.
>
>So maybe P=1, N=3.2, B=3.4, R=6, Q=13?
>
>Severi

I don't want to score bishop higher than knight. It depends on dynamic factors
that should be in evaluation anyway. I just want to avoid extra code to evaluate
special cases, as Crafty does. I think it is possible.

/David



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