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Subject: Re: Books + indexing

Author: Albert Bertilsson

Date: 00:01:37 04/25/04

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On April 25, 2004 at 02:12:10, macaroni wrote:

>As i'm currently re-writing all my book code, i'm wondering what the various
>options are. Up untill now i've used either a txt file filled with lines like
>e2e4c7c5g1f3...
>and had my program search them for a current position. I've also filled a book
>with fen positions which allowed for transpositions, but the books were
>painfully slow to build (as I stored info about how many times the position had
>been played in the pgn file I used to build the book). Are there any standard,
>fast ways of doing it?
>cheers
>Tor

Don't know about any book standards, but many programs import pgn files and then
have their own format. My program reads textfiles with lines like you describe.
I store all positions in a hash table to make lookup fast.

/Albert



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