Author: Uri Blass
Date: 02:45:32 09/21/03
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On September 21, 2003 at 02:43:29, Sune Fischer wrote: >On September 21, 2003 at 01:00:37, Paul Byrne wrote: > >>I read the thread on the pawn game last night... >>http://www.talkchess.com/forums/1/message.html?316441 >> >>...and added it as a variant to Guildenstern (which is pretty basic >>as chess engines go, but is set up to handle rules variations like >>this -- first version took about 10 minutes). The first version >>called it a win when a pawn hit the 7th rank; changing this to >>getting a passed pawn more advanced than the opponent's most advanced >>pawn (passed or not) caused a speedup of about 100x in solving the >>couple of test positions I was using. > >Yes, that should result in some nice pruning :) > >>I'm sure a program set up especially to solve this would be noticably >>faster (no need for code for castling, promotion, non-pawn moves, etc, etc) > >That doesn't slow down my program very much, so I'd not expect a big increase in >removing it. Your program is different than other programs so you cannot learn about other programs. Uri
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