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Subject: Re: Fruit, shredder 10, rybka....all at the same level in 3 months.

Author: Vasik Rajlich

Date: 04:01:01 01/16/06

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On January 16, 2006 at 03:58:38, Joseph Ciarrochi wrote:

>I've been testing the heck out of the newest beta version of rybka, and I don't
>see a big strength improvement (this was not vasik's intention anyway.). It
>keeps wining the usual 58-60% against fritz 9 in 4 min 2 sec blitz (n = 60 at
>present). I am still waiting on the results from a no book tournement, but so
>far i don't see any increment. (maybe i'll see increment with bigger sample
>size)
>

Actually, it was my intention. Beta 10 has a new search - if it's not better, I
will have something to think about.

Anyway, please post here (or email me) your results. I want to understand the
improvement in Beta 10, and more importantly I want to understand how to
configure the various settings there so that Rybka 1.2 has the best default
configuration. Real work on the search has now stopped, aside from a few very
small refinements and (mainly) the configuration testing.

Also - it goes without saying, but I love it when testers play _huge_ game sets.
No sample size is too big. :)

Vas

>This is not to criticize vasek of course. He can't really be expected to provide
>big strength improvements, in two months (especially when he has to do extra
>work to get beta ready for full release). Indeed, Fabien i don't think made huge
>increases in fruit in only two months.
>
>I could be wrong about the amount of improvement of the newest beta. Please post
>your results (I am motivated to be wrong, as I want rybka to be stronger!!)
>
>
>So......Has rybka's massive success made us overly optimistic about how much
>engines are going to improve in the next year? I have heard people say rybka
>will be 100 points stronger in its full release. I am now betting it is no more
>than 20 or 30 points stronger. This is no reflection of vasek. There is only so
>much he can do in a couple of months (and I think he is delivering a fantastic
>product, well worth the price).
>
>
>so if rybka gains 30 points, and shredder and fruit gain about 70, they will all
>be of about equal strength and fritz will be in fourth place.
>
>
>Please post evidence to prove me wrong (that rybka beta 10d has not gained
>strength). maybe their are stronger configurations then i am using (default).
>
>
>best
>Joseph



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