Author: Michael Yee
Date: 13:43:35 05/20/05
Go up one level in this thread
On May 20, 2005 at 13:24:29, chandler yergin wrote: >On May 20, 2005 at 12:26:50, E. Nielsen wrote: > >>On May 20, 2005 at 12:04:52, chandler yergin wrote: >> >>>Each move and its response is called a ply. >> >>NO!!! There are two plies per move. :) > >As I said.. a move and it's response is one Ply; >a single Move is 1/2 Ply. >Sorry if that's too difficult for you. Actually, I also think there are 2 plies per move (or, equivalently, a ply is a half-move). From the FEN description in the PGN standard: http://www.very-best.de/pgn-spec.htm 16.1.8 Halfmove clock The fifth field is a nonnegative integer representing the halfmove clock. This number is the count of halfmoves (or ply) since the last pawn advance or capturing move. This value is used for the fifty move draw rule. Or look at the last section here: http://www.brucemo.com/compchess/programming/minmax.htm A 1-ply search just means all the positions resulting from one (half)move from the initial position. Michael >> >> >>as seen in the post by Bruce Moreland >> >>>can be solved in 40 moves (80 plies)... >> >> >>Regards, >>Eyðun
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