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Subject: Re: Is Rybka in reality endgame Expert?!

Author: Sune Larsson

Date: 16:37:17 12/31/05

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On December 31, 2005 at 19:03:35, Joseph Ciarrochi wrote:

>It looks like rybka goes from -3 (my 40 4 test) to +1 (your 60 5 test)
>
>Is it possible that at longer time controls, Rybka's excellent search heuristics
>makes up for a lack of endgame knowledge? I've always thought that  long seach
>can sometimes hide weaknesses. (e.g., at early ply, the weakness leads to a bad
>suggested line, and then at late ply, the comp finds a tactical shot against the
>line and changes its mind).
>
>In terms of tournment performance, i think your results are applicable when
>rybka goes into an endgame with 60 or so minutes on the clock. the results i
>reported perhaps apply when rybka has less time for the endgame (maybe less than
>40 minutes). Maybe this is why the newest rybka's seem to hord time for the
>endgame.


     I think Jouni's 60/5 means 60 moves in 5 minutes - or??

     puzzled regards
     sune

>
>In paderborn, I wonder what the average time left was when engines entered the
>endgame?
>
>best
>Joseph
>
>On December 31, 2005 at 17:02:13, Jouni Uski wrote:
>
>>I played 60/5 level match from Sune's positions:
>>
>>1   Rybka 1.0 Beta 32-bit   0½½0½½½11½½½01100110½0½010½½½½1½½½111½½0  20.5/40
>>2   Fritz 9                 1½½1½½½00½½½10011001½1½101½½½½0½½½000½½1  19.5/40
>>
>>Hmm?!?!? "No endgame knowledge". Quite modest!
>>
>>Jouni



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