Author: Antonio Dieguez
Date: 09:06:11 04/23/01
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>I do not understand what is the reason that a test position will be solved at >later ply. > > >If you search only captures in the qsearch and if the score is more than a queen >below alpha then one capture that is not a capture of the king is not going to >change the fact that the score is below alpha. > >Common sense tells me that if you capture in the qsearch more than your first >capture then the line is illogical because it is possible that the opponet could >avoid the line by not capturing > >Example:Searching a line like 1.PxQ PxP 2.PxR is illogical in the qsearch >because black may save the rook by a different move. > > >Uri I don't know exactly neither why a test position will be solved at a later ply with this prunning but there IS a possibility(if after a capture there is an extension trigered inside the qsearch, for example an attack or a check or a pawn in 7th etc)
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