Author: Tord Romstad
Date: 01:53:58 08/21/03
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On August 19, 2003 at 19:07:06, Charles Roberson wrote: > > I have been experimenting with various types of moves in qsearch. Obvious >moves to consider are captures, promotions, checks and check evasions. I have >tried qsearch with and without check evasion and it seems a waste to try them. >Captures and promotions are necessary. However, checks are unclear. > > Rudolf Huber told me that most commercial programs consider checking moves in >the qsearch. Does it really make a difference? > > As stated earlier today, qsearch is an accuracy vs speed tradeoff. Does >considering the effect of checking moves make up for the lost speed? In my program, checks in qsearch was a big improvement. I have experimented with removing them several times, but the result has always been a clearly weaker program. As always, YMMV. Tord
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