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Subject: Re: Most brilliant novelty from cct7 Witchess-Arasan

Author: Uri Blass

Date: 16:56:56 02/14/05

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On February 14, 2005 at 19:23:07, Thomas Mayer wrote:

>Hi Arturo,
>
>> I did not tune the book against Movei.... I tune a book for a specific
>> engine. Anthony accepted my help and I did my best in 2 short months. Of
>> course, how could you understand that?
>
>we had that discussion already in several forums. Uri has his point of view
>(which is IMO totally wrong) and will not change that... senseless to discuss...
>
>You might remember CCT4 -> Since then I had never again such a fantastic tuned
>book for Quarks needs - it was the work of Leo Dijksman which he had done in
>several month with thousands of games and analysis. Of course it was Quark which
>was playing that tourney but it had a fantastic book that lead it to positions
>it can play. And that is what a good book cooker should do, he should help the
>engine to end up in positions after the opening where it knows what it should
>do. The more time he can spent on that the better it will do.
>
>Vincencts 700 Elo might be a bit to high, but 300 is for sure a good number -
>the difference between a random book and a well tuned book. Especially the
>weaker or more unbalanced your engine is, the more it is important to have a
>perfect book.

It suggests that the engine is important because if the engine is not balanced
you may solve the problem by doing it balance.

 Maybe for a weak engine even Vincents 700 is possible...

I think that if the engine is too weak no book will help it unless you predict
perfectly the opoenent moves.

I do not see how you can do tscp 700 elo better by a book and tscp is not the
weakest engine in the world.

I guess that a book for weaker engines will be even less productive.

If someone want to prove me wrong he is invited to try to improve tscp rating of
1699 in the WBEC site to 2400(slightly better than Amateur,Betsy,Leila)

The rating should hold also against new opponents(that were still not released)
because when I talk about book the idea is not to have killer book that work
only against specific opponents with known books that is of course possible
after lot of work when you put win after win in the book.

Uri



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