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Subject: Re: New Rybka book in test: STUNNING

Author: stuart taylor

Date: 12:01:24 02/28/06

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On February 28, 2006 at 11:09:32, Majd Al-Ansari wrote:

>Letting Rybka use an optimized book is almost not fair for other programs.  It
>is already way stronger than anything out there, and the only time it usually
>loses is when it is caught with a book move.  Very rarely do you see Rybka get
>outplayed in the middle game in an even position ... and I mean VERY VERY
>RARELY.  Rybka was already beating any engine with its own native book very
>handily, so now I guess things will really get ugly.  They might get even uglier
>once the last few weaknesses of Rybka are covered (endgame knowledge).
>
>I can assure you also, that this "public" book is not the best book that they
>have.  The best book is kept for special tournaments.  But still it is a vast
>improvement over anything out there.  The already lopsided tournament results
>will be stretched even further.


Can't the top engine be even more the top, to make absolutely sure?
(why should I always have to worry that anothe engine might find a better move?
I prefer all the knowledge under one roof)
S.Taylor

>
>
>
>On February 28, 2006 at 10:00:23, Jouni Uski wrote:
>
>>I didn't waste time, but already played 40 blitz games against F9. Both used
>>tournament book with optimize.
>>
>>Book test
>>
>>1   Rybka Beta   001111½1111½01½½1½1½00½1101½1101111½½½11  27.5/40
>>2   Fritz 9      110000½0000½10½½0½0½11½0010½0010000½½½00  12.5/40
>>
>>Previously with other books I have got 20 - 20...
>>
>>Stunning Jeroen!!
>>
>>Jouni



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