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Subject: Re: Ruffian's Secret?

Author: Peter Fendrich

Date: 02:06:14 11/24/03

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On November 23, 2003 at 20:50:54, Steve Maughan wrote:

>The latest info about Ruffian states:
>
>"Mobility is based on precalculated tables that can recognize special patterns;
>this is one of the major evaluation terms"
>
>This is interesting.  How can you precalculate mobility?  Maybe using rotated
>bitboards - but from the interview with Per-Ola he states that the structure in
>Ruffian is:
>
>"Today I use a hybrid between bitboard and 8x8"
>
>Clearly Per-Ola considers this one of the strengths of Ruffian.  Does anyone
>have any ideas as to what he's doing that may be different?
>
>Regards,
>
>Steve

I wouldn't take advertisements too seriously.
I have no idea though what Ruffians "secret" is.
I've notised that it is exttrmely strong in the grey zone
between the middle game and the end game. Could mobility be the key here?
I doubt it.
/Peter




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