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Article #3211

Re: UNTRUE -- gnuchess 4.075 defeats Crafty 14.4

#3211
From: Robert Hyatt
Date: Sun, 25 Jan 1998 00:00
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In rec.games.chess.computer Bo Persson <bo.persson@mbox3.swipnet.se> wrote:
: Robert Hyatt wrote:
:> 
: [snip]
:> 
:> I've modified 14.6 to end games on time overruns by the opponent.  However,
:> it will *really* make crafty crush gnu from my experience, becuase it is
:> common to see it barely overstep the time limit in *every* game that goes
:> to the first time control.  Strictly by the laws of chess this is ok for
:> Crafty to do, but when measuring playing skill, at least against gnu, it
:> runs the risk of greatly distorting the match outcome...
:> 

: Yeah, you're now also comparing the quality of the programs time
: management :-)
: How many ELO points is this worth...

A lot.  But I already know that the time management code in Crafty works.
After some 80,000 games on the chess servers, that part is pretty well
tested.  Personally, I will disable the "call the flag" code in Crafty
on those rare occasions I test against GNU because I'm not interested in
comparing time management, only search and evaluation...



:> Robert Hyatt                    Computer and Information Sciences
:> hyatt@cis.uab.edu               University of Alabama at Birmingham
:> (205) 934-2213                  115A Campbell Hall, UAB Station
:> (205) 934-5473 FAX              Birmingham, AL 35294-1170


: Bo Persson
: bo.persson@mbox3.swipnet.se

-- 
Robert Hyatt                    Computer and Information Sciences
hyatt@cis.uab.edu               University of Alabama at Birmingham
(205) 934-2213                  115A Campbell Hall, UAB Station 
(205) 934-5473 FAX              Birmingham, AL 35294-1170
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From: Robert Hyatt <hyatt@cis.uab.edu>
Subject: Re: UNTRUE -- gnuchess 4.075 defeats Crafty 14.4
Date: 1998/01/25
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