Author: Pallav Nawani
Date: 11:29:24 10/18/04
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On October 17, 2004 at 22:58:35, William Bryant wrote: >I am reaching for straws here, but, knowing the experience on this board, >someone might have had this problem too. > >My move generator comes up short of perft. >Specifically, from the starting position it is 20 move short on perft 3. > >I get 20 at ply 1 >I get 400 at ply 2 (20 responses) >But I only get 8882 at ply 3 (reguardless of wether black starts first or white) > >I have checked all the special move, double pawn moves, ep moves, castling and >can't seem to find >the error. > >Any suggestions. > >William >(BTW, this is a new engine for me, 64 bits wide for my new (hopefully) G5)) At ply three, what is the kind of move you can generate that you cannot generate at ply 1 and ply 2? Captures, Bishop moves, rook moves. EP captures are out of question here, you need ply 4 to get EP captures. Castling is out of question again Best regards, Pallav
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