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Subject: Re: Crafty 19.11 SE Vs Crafty 19.11 DC

Author: Mike Byrne

Date: 19:02:55 03/08/04

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On March 08, 2004 at 15:57:42, Dann Corbit wrote:

>On March 07, 2004 at 16:46:43, Mike Byrne wrote:
>
>>It looks like we have two different flavors of Crafty - I compiled the 19.11 SE
>>with the Futility option - I am pretty sure that Dann did not compile wth the
>>Futility option in the 19.11 DC version.
>>
>>You will see the difference in nodes when you run the bench command.  The
>>futility options may slow it down down about 2-3% but it will usually look at
>>less positions (90% or less).
>>
>>YMMV.
>>
>>I only post because of the questions I'm getting.
>>
>>Thanks
>>
>>Michael
>And I have these flags which are also probably different:
>/D "DETECTDRAW" /D "EPD"
>
>I like solving WAC.230.  Maybe it causes an occasional problem too, but there we
>are then.

I like the way Detectdraw helps in solving certain positions - but overall I
thought the play was weaker.  I also dislike the impact /DFUTILITY has on
solving certain positions - but I think it plays a little better with it.
Clearly tradeoff in both cases and we both chose our personal preference.  More
variety  for the CCC  - Chess Crafty Connesuir ;>)



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