Author: Tord Romstad
Date: 05:37:47 09/02/03
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On September 01, 2003 at 05:42:54, Mridul Muralidharan wrote: >Futility : what works in qsearch cannot be applied to main search ;) If I interpret this correctly, you do use futility pruning in your qsearch. >In mess , I try out checking moves in qsearch. Also I try out , sometimes , even >loosing captures - especially if you are sure that the opponent does not have a >good move to respond with (Eg : The defender of the piece that we captured is >pinned , multiple/revealed check capture , etc) , then there is no harm in >trying this move ! >Note : I dont try out funny stuff like lazy_eval_after_move + margin < alpha >then prune , stuff. NOR do I use lazy eval (have a eval cache though - since >mess has a bit heavy eval ... ) But here, it seems like you state that you *don't* use futility pruning in your qsearch. I'm a bit confused here ... Otherwise, your ideas look interesting, although it appears hard to make them work. Tord
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