Author: Robert Hyatt
Date: 17:56:06 01/11/98
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On January 11, 1998 at 18:12:56, Howard Exner wrote: >Does anyone know how the different programs rate the value of a pawn? >I think someone (probably Ed Schroder) said that Rebel's score >is about 0.75. > >Does it make sense to compare eval scores across programs? ie:"this >program does better here because of its +4.55 eval versus this >other program at +3.62". In reality for program X, 4.55 might be 4 pawns >while program Y at 3.62 could be 5 pawns. Is this right? This is difficult. But you are really asking the wrong question. IE, suppose Rebel does this: P=.8, N=3.0, B=3.3, R=5.0 and Q=9.0. And suppose I did something like this: P=1.0, N=3.5, B=3.8, R=5.5 and Q=10.0... what would that mean? If you notice, these are actually about equal, as far as material goes... So the value of a pawn is not the real issue... it is the value of a unit of material... which makes it harder to understand..
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