Author: Ulrich Tuerke
Date: 12:42:43 04/04/01
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This "2nd order evaluation" stuff is not as sensational as you may think, Fernando. Any program, using more than just piece square tables, has 2nd order terms. For instance giving a bonus for a knight occupying an opponent's weak square is a 2nd order term, because the weak square is a consequnce of the pawn structure. Is there a program which does not account for a knight forepost ? IMHO, these large fluctuations in score which you have observed, are just a consequence of using rather large values in the static evaluation function. Any program giving large values for king safety, passed pawns, ... shows these effects. Even mine, but I'm not always completely happy with it. After all, I'm also curious to test the Gambit Tiger because I find it always intersting to play these kind of programs with kind of speculative evaluations. And it seems that Chris had a very lucky and skilful hand for this, because Tiger is successful in spite of this speculative eval. Just my opinion, may of course be completely wrong. Regards, Uli
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