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Subject: Re: the tortoise and the hare: yace versus rybka in endgame test

Author: Sune Larsson

Date: 04:38:42 01/01/06

Go up one level in this thread


On January 01, 2006 at 07:14:42, Joseph Ciarrochi wrote:

>>
>>It is known that part of the positions are unbalanced so I do not understand why
>>do you even try to do comprison between rating and results.
>>
>>Note also that even in case that the positions are balanced you can expect
>>smaller difference relative to difference in real games because in most cases
>>the weaker engine does not get equal endgames in real games.
>>
>>Uri
>
>Yes, I realize this. I suppose rather than saying "its amazing" I should say " I
>was amazed, or impressed by yace." I thought it was cool that a much older
>engine could still be competitive.
>
>The only way to tell what constitutes a "big" or "small" difference would be to
>run a massive endgame tournament. Then we could get some stats on whether, say,
>a +7 score out of 40 is statistically unusual, etc.


 Yup - and thanks for the games! I wonder if there is any documentation about
 the Nunn endings. I haven't studied them much myself. Anyway - pos 1 is a draw
 with best play. The same for n:o 3 (in my suite), n:o 4 I think, and n:o 7.
 Maybe all are drawn with best play?

 /S



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