Computer Chess Club Archives




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

Author: Russell Reagan

Date: 12:20:15 11/19/02

Go up one level in this thread

On November 19, 2002 at 15:14:26, Gian-Carlo Pascutto wrote:

>On November 19, 2002 at 15:12:15, Russell Reagan wrote:
>>On November 19, 2002 at 13:57:02, Vincent Diepeveen wrote:
>>>Yet a crucial aspect of evaluating is scanning and that's something
>>>where bitboards are handicapped with 1 or 2 exceptions (you can
>>>quickly scan a rank or file for presence of a piece X).
>>In an 0x88 engine, you have to do potentially 8 tests to scan for the presence
>>of a piece on a rank or file.

Nice "proof".

>And moreover, it always helps to give an example what you would
>want to evaluate, because there are always multiples ways to work
>around slower parts.

Then maybe Vincent will give us one to backup his claim.

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