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Subject: Re: Crafty19.15 no better than Crafty19.14 based on infinite loop

Author: Robert Hyatt

Date: 07:44:09 07/28/04

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On July 28, 2004 at 07:34:24, Uri Blass wrote:

>The infinite loop suggest no significant improvement
>Many versions of Crafty19.15 played in the same tournament with Crafty19.14
>
>see http://www.digichess.gr/infiniteloop/home.php
>
>Crafty19.14 scored equal or better relative to many versions of 19.15
>
>If the probability of Every 19.15 to score more points than 19.14 in a
>tournament of 28 games is 60%(I expect it from a significant improvement) then
>the probability of all versions not to score better than 19.14 is 0.4^4<0.05
>
>
>Tried to promote to the infinite loop and failed
>Crafty 19.15 SE Ramat-Gan [Polgar] 17.5(equal to 19.14 DC)
>Crafty 19.15 PS                    16.5
>Crafty 19.15 BH                    15.5
>Crafty 19.15 DC                     9.5
>
>Uri

I don't know that _any_ of those are really crafty 19.15.  Each is a _different_
personality in Mike's code.  Has no real comparison to normal 19.15...





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