Author: José Carlos
Date: 05:42:36 11/14/02
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On November 14, 2002 at 07:51:31, Vladimir Medvedev wrote: >I want to add mobility terms into my engine's eval function, but it seems to me >rather unclear. > >The primitive way, generating (pseudo-legal) moves in leaf nodes coasts very >much. Checking for move legality will be much more expensive, but without it I >can't evaluate mobiity decrrease for pinned pieces... > >I also tried to evaluate mobility as the last branching factor on the line >before the qsearch begins, but it seems to be too rough estimation, isn't it? > >I think, in bitboard engines mobility can be evaluated in some simple way, but >how to do this for my "field array + piece lists" board structure? I just generate pseudo-legal moves (well, not exactly, but very similar). It's not very expensive with 0x88 and piece-lists. José C.
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