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Subject: Re: How to Cheat in SSDF Competitions

Author: Richard Pijl

Date: 02:01:31 06/14/02

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>
>Perhaps it is possible to know, in advance, which computer SSDF will use for
>testing of a particular chess program.
>
>If so, then do you suppose it would be possible to get a higher rating by
>optimizing the code for that particular computer?
>
>How much higher?
>
Depends on what you mean by optimizing the code.
From my own tests I noticed that my move generation with (rotated) bitboards was
about 20-30% slower than just the 'mailbox' iteration on the K6-2. The same
binary, run on an Athlon XP showed the performance to be just the other way
around: The bitboards were 20-30% faster than the 'mailbox' iterations.

Richard.



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