Author: Uri Blass
Date: 13:31:54 09/06/03
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On September 06, 2003 at 15:44:03, Robert Hyatt wrote: >On September 06, 2003 at 13:47:24, Uri Blass wrote: > >>pawns are obvious but the question is if you store also >>1)side to move >>2)king squares >> >>both 1 and 2 may be important for evaluation of unstoppable passed pawns. >> >>Uri > > >The simple rule is this. The signature must be based on the locations of >_all_ pieces that influence the score. If king position is important to >your scoring, then king location has to be hashed in... I understand but I prefer to store only information and not evaluation because I think that I will change my evaluation to be not dependent only on the pawn structure and I do not like to delete code that I write now later. part of the information may be dependent on pawns but part of the information may be also dependent on other factors like squares of the kings. A possible idea is to have more than one hash and to have one hash for pawns when I store information about pawns and one hash for pawn and king and side to move when I store different information. Uri
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