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Subject: Re: Crafty and other games Bin Book format:

Author: Nicolas Carrasco

Date: 20:29:30 10/16/99

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Thanks
On October 16, 1999 at 22:49:34, Robert Hyatt wrote:

>On October 16, 1999 at 22:04:33, Nicolas Carrasco wrote:
>
>>Dear Guys,
>>
>>I guess how are Binary book formats, can anybody explain me with "1"s and "0"s
>>this?
>>
>>Does it use a binary tree? How? Any website with explanation?
>>
>>Really Thanks :)
>
>
>most usually store a hash signature...  then you make a move, look it up
>in the book, and if you find the hash signature hit, you know that move is
>a book move.
>
>You can treat the book file as a disk=resident hash table and probe it once
>for each move, or you can use the scheme in crafty (explanation in book.c) to
>avoid doing more than one I/O to locate all known book moves for a single
>book position...



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