Hi everyone,
could someone please explain me the basics of evaluation scaling?
I suppose it depends on the number of pieces on the board.
Best regards,
Alvaro
Eval scaling
Moderator: Ras
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Cardoso
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- Full name: Alvaro Cardoso
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Daniel Shawul
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Re: Eval scaling
First you determine the game phase. (opening,midgame or endgame). This is usually done by looking at material (non-pawns). Then you scale up or down whatever makes sense in a particular phase. For instance, rump up king safety in middle game, and passed pawn score in endgame.
One popular way to achieve this is to keep two scores all the time, and then do an interpolation based on the 'phase' value. This forces you to scale every evaluation term. Or if you want, you can selectively scale up/down only some eval terms.
One popular way to achieve this is to keep two scores all the time, and then do an interpolation based on the 'phase' value. This forces you to scale every evaluation term. Or if you want, you can selectively scale up/down only some eval terms.