Author: Les Fernandez
Date: 11:00:20 12/29/02
Go up one level in this thread
On December 29, 2002 at 08:24:22, Uri Blass wrote: >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. Hello Uri, Well it may not be as relevant in chess progrmas but the work I am doing makes it very relevant since I am generating chess positions with pawns for which I need to know is a correct position or not. Les > >Uri
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