Author: Dieter Buerssner
Date: 20:07:34 07/17/04
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On July 16, 2004 at 14:05:48, Uri Blass wrote: >I heard that Ra8 is very hard move to find but it seems to me not very hard for >Yace that can avoid it on A3000(512 mbytes hash) in 130 seconds. > >Second mistake seems even more easy to avoid but surprisingly it seems that >yace0.99.87 has antisymmetric evaluation because if I give it the position >after the second mistake it has problem to recognize a draw score and see >advantage for white(I see the same thing even when I delete learning files so it >is not a result of previous learning) Thanks Uri, for pointing this out. I can reproduce it here (from the positions alone even, without the game history). I have not found the problem yet - it doesn't look trivial. I fear, I have to investigate a dump of the search tree up to depth 11 from the last position you gave. Such a dump is very huge, and tedious to investigate. At the moment I am thinking of some method to only include critical lines into the dump. Regards, Dieter
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