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Subject: Re: Crafty 15_20 vs Crafty16_8

Author: Terry Presgrove

Date: 18:52:38 06/01/99

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On June 01, 1999 at 17:05:25, Hristo wrote:

>Has anyone compared the two versions of crafty(15_20 and 16_8)?
>So far I had them play 6 blitz games and 1 one_hour game(the second one
>should be done when I get home).
>The score:
>Blitz- 15_20 +3 =2 -1
>       16_8  +1 =2 -3
>1 hour-15_20 +1 =0 -0
>      -16_8  +0 =0 -1
>
>
>While the results of a few games are not very important the style
>of play was in favor of 15_20. It seemed that 16_8 had some problems
>entering endgame with Bishop and pawns against Bishop\Knight with pawns.
>FYI I'm interested only in the strength of the engines, so there is no
>opening-book or endgame database used. To be fair, I set a position
>from which the programs continue(similar to the Nun test). Otherwise
>the opening lines are rather funny .. :)))
>I'm asking this to know if I should keep track of the score.
>
>Computer:
> PII450, 128M Ram, default engine settings.
> Windows NT.
>
>
>Hristo

 I have run a number of tests with v15.20 vs. 16.6 the results
 being mixed. It seems 15.20 played better at 3 0 through 15 0 and
16.6 breaking even around 30 0 and playing better at 3 hour matches.
 I have been running a number of matches between 16.6 amd 16.8 and
 it also appears 16.8 plays better at faster blitz but I'm getting a different
 result from 30 0 and up 16.6 winning 14-7 so far in 30 0 matches. And
 3.5 out of 4 at 3hour+ matches.
 This on k6-350 . I recognize this small sample is not sufficient to
 draw a reliable conclusion but these early results seem to indicate 16.6 may
 still be the strongest version at longer time controls on a single cpu machine.

 TP





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