Author: Robert Hyatt
Date: 19:10:16 04/04/03
Go up one level in this thread
On April 04, 2003 at 14:40:44, Russell Reagan wrote: >I would like to know which elements of the position are commonly included in >hash signatures, and the issues with including or excluding certain elements. >Currently, I am including the board, the side to move, castling rights, and en >passant square. > >I'm not sure how important it is to hash the en passant square, since ep squares >regularly exist, but an ep capture is legal only a small percentage of that >time. > >I'm also not sure how important it is to hash the castling rights, since if the >castling rights are different, it's likely that the board is too. All are important. I do what you are doing in fact...
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