Author: Andrew Williams
Date: 05:49:20 06/20/00
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On June 20, 2000 at 08:22:20, William Bryant wrote: >Thank you Andrew. > >I had actually saved this post but it is nice to have it again. > >Part of my question involves the structure of the opening book file >to allow rapid indexing into all the position records. > >What binary format do you use, and how do you efficiently index into the >file to find all the moves once you have established hash records for >them. Theoretically, the moves for a given position will be spread out >over the entire file if organized by hash signature. > >Thanks again. > >William >wbryant@ix.netcom.com Hi, Yes. My positions are indexed by hash code and therefore distributed throughout the file. I think someone here said that crafty has an index scheme to solve this sort of problem. I haven't bothered to try this with mine. My book for playing at ICC is huge (430Meg) I should think about it, but I've not had much time lately. Andrew
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