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Subject: Re: a question about crafty17.13's evaluation against Rebel century.

Author: pavel

Date: 08:14:05 08/26/00

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On August 26, 2000 at 11:10:10, Uri Blass wrote:

>On August 26, 2000 at 11:05:24, walter irvin wrote:
>
>>On August 26, 2000 at 09:21:15, Robert Hyatt wrote:
>>
>>>On August 26, 2000 at 09:16:50, Uri Blass wrote:
>>>
>>>>I tried this position from the game century3-crafty17.11
>>>>
>>>>[D]rnbqk2r/pp1p1ppp/4pn2/4P3/1b1N4/2N5/PPP2PPP/R1BQKB1R b KQkq - 0 1
>>>>
>>>>Crafty17.13 played 6...Qc7
>>>>
>>>>I gave my Crafty17.11 as engine for Hiarcs with 128 Mbyes hash time control of 4
>>>>hours/60 moves
>>>>(I guess that this time control is similiar to 2 hours/60 moves on the alpha)
>>>>
>>>>My Crafty17.11 changed its mind in the last second at depth 12 from 6..Qc7(0.15
>>>>pawn advantage) to the better move 6...Nd5(0.16 pawns advantage).
>>>>
>>>>I am interested to know crafty17.13's opinion.
>>>>Can crafty17.13 avoid 6...Qc7 at depth 12?
>>>>
>>>>Uri
>>>
>>>
>>>It avoids it by depth=10.  The problem was that the mode we were using forced it
>>>to play Qc7 as it was a book move.  Somehow we followed a very rarely played
>>>line, but until I get the log files from Graham I can't tell exactly why.  I
>>>did notice a pretty significant CAP score that might have pulled it down that
>>>line erroneously...
>>
>>what was the speed relitive x86 for the alpha you used .would it have been
>>faster if you could have gotten similar hardware that deep junior had at
>>dortmund ??what nps was you seeing on the alpha .
>
>I read 400,000 nodes per second.
>This was not a good alpha and PIII1000 could be slightly better.
>
>Uri

the differance between this alpha and a PIII1000, as far as NPS is concerned,
would 'probably be' something around 6-10k NPS.

pavel



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