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Subject: Re: Crafty engine for MMX 200 Mhz.

Author: Robert Hyatt

Date: 07:30:59 06/25/98

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On June 25, 1998 at 10:30:01, Robert Hyatt wrote:

>On June 25, 1998 at 06:36:53, Vincent Diepeveen wrote:
>
>>
>>On June 24, 1998 at 21:02:00, Robert Hyatt wrote:
>>
>>>On June 24, 1998 at 20:13:14, Fernando Villegas wrote:
>>>
>>>>Hi Bob:
>>>>I already have in operation the crafty for dummies version I downloaded form the
>>>>site I told you in a post. My question is: what newer and stronger engine than
>>>>the current I have in the package (12,7)is better for my computer, 200 Mhz, MMX?
>>>>Thanks in advance
>>>>Fernando
>>>
>>>This is always difficult to say, but based on the ratings of the various
>>>crafty clones on ICC, 15.14/15.15 are playing better...  15.x has a lot of
>>>SMP stuff for parallel search, but that can be compiled out to get a non-
>>>SMP version that has the most recent eval/search/book changes..
>>
>>Easy to answer: 12.7 and 12.9 are by far the strongest
>
>
>
>that's a bogus claim.  over the past 3 weeks, I have played some with 15.x and
>with 12.9, on the same machine (non-smp) on chess.net.  I played about the same
>number of games with each, and 15.x is winning about 10% more games against
>the same opponents.  Not a huge gain, but measurable.  In blitz games played
>using xboard between the two (12.9 and 15.15) 15.15 shows to be about 60 rating
>points better over 500 games.  Again, not substantial, but significant.


almost forgot.  If you have two or more CPUs, then it is no contest, of
course...



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