Author: Miguel A. Ballicora
Date: 07:45:04 02/07/02
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On February 07, 2002 at 05:20:03, Uri Blass wrote: >On February 07, 2002 at 04:37:07, Scott Gasch wrote: > >>I don't understand; it's a legal chess position -- any program should be able to >>handle it... > >You are wrong In a computer program (chess or whatever), crashing is not an acceptable behavior. It might be "understandable", but you cannot be happy about it. If you decide to have a design that does not accept 9 queens, the program should not accept the FEN and warn the user in the first place. Regards, Miguel > >There are programs that were not build to analyze legal positions but to play >games. > >A program can safely assume that the number of queens of one side is at most 8 >because it is going to never see a position when one side has 9 queens in it's >search. > >Even if the opponent is very weak the program may mate a lot before it gets 9 >queens on the board. > >I doubt if it is possible to convince the program to promote all it's pawns >because it is usually going to find a faster mate without promoting most of the >pawns. > >It also seems safe to assume that there >are no more than 8 rooks and no more than 8 bishops or knights if the target is >only to play games and not to analyze. > >Uri
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