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Subject: Re: Win at Chess suite

Author: Robert Hyatt

Date: 11:37:33 01/13/98

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On January 13, 1998 at 13:24:26, Moritz Berger wrote:

>On January 12, 1998 at 15:04:08, Robert Hyatt wrote:
>
>>I have just finished cleaning everything up, relative to the null-move
>>mate extension and hash table refinement discussed here.  As a sanity
>>check, I decided to once again run win at chess at one minute per move
>>to see how Crafty would do on my Pentium Pro 200.  The best for an
>>"official" version has been 297, with it typically staying around 295
>>or so.
>
><snip>
>
>>Any other results to compare with?  Be interesting to see who solves
>>what quickly and who has trouble with what.  I'm going to experiment
>>with the chess middlegame suite Bruce mentioned.  The only thing I don't
>>like is the length of time it takes to run a suite that large...
>
>WAC results for Fritz 5 on P233MMX (98304 KB HT):
>
>< 5s: 292 positions correct
>
>< 10s: 293 positions correct
>#250: 6s
>
>< 60s: 296 positions correct
>#71: 13s
>#235: 12s
>#265: 31s
>
>< 90s: 297 positions correct
>#2 - 88s
>
>Hard problems:
>#100 - > 240s
>#163 - > 240s
>#230 - > 240s


Interesting.  230 has been the hardest of the bunch for me.  163 is
almost
solvable by Crafty and only needs a couple of minutes more.  100 might
be
aided by some endgame specific code I have as Crafty gets this early and
doesn't change.  I think 100 is one of the ones that Ferret has problems
with too...  Bruce and I were comparing notes the other night...



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