Computer Chess Club Archives




Subject: Re: Differences between 0x88 ,10x12 and Bitboards!?

Author: Gian-Carlo Pascutto

Date: 14:02:38 11/19/02

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On November 19, 2002 at 16:41:18, Russell Reagan wrote:

>On November 19, 2002 at 16:23:30, Gian-Carlo Pascutto wrote:
>>You can't average a best case and a worst case and call that the
>>'average' case.
>>In general, knowing if a piece is on a file, is 1 memory load and
>>1 test for me. My worst case may be 8, my average case is *1*.

For most cases where I need it, I precompute or incrementally
update this data. When I need to know, it becomes a yes/no/'here'
question with the answer already stored in memory.


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