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Subject: Re: Node count explosion

Author: Graham Banks

Date: 18:50:26 09/03/05

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On September 03, 2005 at 18:05:37, A. Cozzie wrote:

>On September 03, 2005 at 15:41:48, Mridul Muralidharan wrote:
>
>>[D]r2q3r/1b1k1pbp/p4np1/2BP1pN1/p1B5/P1Q5/1PP3PP/R3K2R w KQ - 0 19
>>
>>My engine royally blows up when it comes to this position (arrived at a game
>>against some engine a long while ago).
>>I suspected excessive extensions , qsearch problems , eval inconsistencies ,
>>bugs , etc.
>>Could not find any bugs and there were no obvious others problems ... the
>>position just kills the node count.
>>Analysed it with other engines and most if not all had similar problems.
>>
>>I have not done an actual position analysis of the position with a strong player
>>(that is tactics , positional aspects , etc - just analysed the stats that my
>>engine dumps for this pos).
>>
>>Any comments ?
>>
>>Thanks,
>>Mridul
>
>Hmm, Zappa too.  13 ply with its 'Columbus's peanut' settings (SE+history
>pruning) in 1 minute with *4* processors is pretty bad.
>
>anthony


Columbus's peanut! LOL - that's a good one!

Graham.



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