Author: Uri Blass
Date: 05:24:22 12/29/02
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On December 29, 2002 at 08:11:13, John Lowe wrote: >On December 29, 2002 at 07:00:11, Uri Blass wrote: > >>On December 29, 2002 at 00:26:50, Les Fernandez wrote: >> >>>[D]4k3/8/8/8/8/2P5/1PPP4/4K3 w - - >>> >>>The above pawn structure to the best of my knowledge can't ever be reached since >>>the c3 pawn would have had to come from either b2-c2-d2. Are there alot of >>>these type of positions or are there a handful of pawn structures that we know >>>can't happen? >> >>I do not understand your question because I do not know what you mean by a lot. >> >>There are other pawn structures that cannot happen >>[D]8/8/8/8/8/P7/PPk5/K7 w - - 0 1 >> >>Doy you ask for the number or the relative number of illegal pawn structures? >> >>Uri >Hi Uri > >I wonder if the algorithm for spotting illegal pawn structures is complex or >only fairly simple.........? It may be possible to do a simple algorithm to spot part of the illegal pawn structures but i believe that an algorithm to spot all of them may be complex. Uri > >Illegal pawn structues don't happen in real games - human or computer so another >question is "could the identification of an illegal pawn structure _ever_ be >relevant in chess programming?" > >I don't think so..........you? I agree. I do not see how identification of an illegal pawn structure can be relevant for chess programs. Uri
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