Author: Stuart Cracraft
Date: 12:34:22 08/30/04
Go up one level in this thread
On August 30, 2004 at 12:21:01, Uri Blass wrote: >On August 30, 2004 at 07:36:45, Volker Böhm wrote: > >>Hi Uri, >> >>do you allways check all evades in qsearch or only until a certain ply as for >>checking moves? >> >>Greetings Volker > >only until a certain ply but that ply is late. >I also do not check all captures and do it only until a certain ply. > >I practically have 2 functions of qsearch >int Quies(int alpha, int beta,int depth) > >int quiesmall(int alpha,int beta,int depth) > >Quies search checks and captures and when the depth is small enough Quies calls >quiesmall (quiesmall does not make checking moves that are not captures but it >calculate all replies to check unless the remaining depth is small enough and >when the remaining depth is 0 even captures are not tried. > > >Quies usually starts with depth=7 when depth=5 I call quiesmall and when >depth<=2 I do not generate replies to check and when depth=0 I do not make more >captures and retrun static evaluation+pawn with the idea that the side to move >may earn something by a capture but I do not know how much. > >It may be better to use static exchange evaluator but it is not very important >and most qsearch do not get to the place when depth=0 or the result of the >evaluation when depth=0 is not important for the final score. > > >Uri So for all the trouble you have gone to to do all of the above, can you point at specific measurable achievements you have gained from it? Stuart
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