Author: Reinhard Scharnagl
Date: 14:59:22 01/24/05
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On January 24, 2005 at 17:36:21, Eric Oldre wrote: >I'm interested in knowing which free engines will give you a static >evaluation. (I think that is the term) ... >ie >material 100 >kingsafe 34 >mobility -30 >pawns -68 > >etc Not all engines have an evaluation function structured like that. Smirf is not a free engine, but as an example its evaluation is composed from a nonlinear material balance factor, a separated pawn structure and passed pawn evaluation and finally a positional detail evaluation NOT based on piece/coordiante tables BUT on all interdependancies between the pieces. By that e.g. mobility be- comes irrelevant within its evaluation, because it could be repre- sented much better by the pieces' influences. And there is ONE unic evaluation function for all phases of the game, because a good one should depend only on the position of the board pieces. Moreover piece/coordiante depending tables mostly have been opti- mized to games and positions from classic chess, thus reflecting an absence of any understanding of (uncommon) openings like at the Chess960 superset. Reinhard.
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