Author: Alessandro Damiani
Date: 11:01:19 11/22/02
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On November 22, 2002 at 13:38:50, Sune Fischer wrote: >On November 22, 2002 at 12:52:54, Alessandro Damiani wrote: > >>>You still need that NxQ pattern and all the others in your move ordering. >>> >>>I suppose one could just OR them together. >>> >> >>We can generate NxQ captures one at a time. I didn't think further to see if SEE >>can be done more efficient with Steffan's method. > >Most likely there won't be a match to NxQ pattern at all, so it would be faster >to do 1 check than 8 checks here (ie running all directions in parallel). > >>Steffan? You wrote someting you name SME? Does it include a SEE? > >I think so, the idea (or at least my way) is to make a general static >evaluation. I posted some positions a week ago or so, the SEE from Crafty >doesn't deal with promotions or non-captures. > >I think it doesn't matter too much with the non-captures, you just want >something decent and fast there, SME may be overkill. >However I generate promotions along with captures, so I need to sort these along >with captures and the promotions may or may not be captures. > >Promotion to a queen could be a better move than winning a knight, but if the >promoted queen is lost instantly winning a knight may be better, so there is a >problem with regular SEE. > I agree. I use a simple SEE for captures. And SEE already costs enough. Alessandro
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