Author: Bert van den Akker
Date: 11:41:30 10/04/99
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On October 03, 1999 at 21:48:40, Bas Hamstra wrote: >On October 03, 1999 at 15:08:56, Bert van den Akker wrote: > >>Can sombody explain what SEE is. >> >>Bert > >Static Echange Evaluation. You try to figure out without a real search what the >outcome of a capture sequence to one particular square will be. Suppose a black >rook is attacked by a white queen and a white knight and defended by a black >pawn and a black bishop. Then the SEE value is determined by consequently >letting the lowest valued piece capture to the square the black rook is on. If a >color has performed a capture and has still gain < zero you stop. Just like you >yourself would do to evaluate a capture sequence in a chessgame. > >You can determine the exact SEE value, or just if a capture is a loser, which is >faster. Losing captures are skipped in the qsearch, which saves quite a lot of >nodes. If you not only want to do that, but sort all captures SEE wise, you have >to have the exact SEE score. > >Personally I doubt it is worth the effort of perfect SEE sorting, but skipping >losers is a win. Everybody (except Vincent Diepeveen) agrees. > >Regards, >Bas Hamstra.
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