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Subject: Re: Book design

Author: Matthias Gemuh

Date: 15:41:38 11/28/02

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On November 28, 2002 at 13:58:36, David Rasmussen wrote:

>On November 28, 2002 at 13:21:14, Matthias Gemuh wrote:
>
>>
>>My book record is
>>
>>
>>typedef struct {
>>    unsigned long HashKey, HashLock;
>>    CHESSMOVE Move;
>>    int Result, lrnResult;
>>    unsigned int Count;
>>} BOOKENTRY;
>>
>>/Matthias.
>
>So you use a 32-bit HashKey? That could cause problems. Of course, all of the
>positions in the book are "close" to the initial positions, and that's a much
>smaller space than the space of all chess positions. So it might suffice in
>practice.
>
>/David


64 bits ! Key and Lock must each match.

/Matthias.




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