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Subject: Re: regular hash key & pawn hash key together--good idea?

Author: Andrew Dados

Date: 09:38:41 09/16/99

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On September 16, 1999 at 12:19:24, Tom Kerrigan wrote:

>The overhead of separating 24 bits is trivial:
>
>(hash_key >> 40)
>
>-Tom

 Well.. you have to detect pawn moves/captures exactly as in 'normal, 2-key
way', separate that, xor, mask topmost bits and finally combine back. No real
gain when you think of that. (otherwise xor would screw both 'parts' of key).
But that of course only for xor way...
 -Andrew-



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