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Subject: Re: Yace vs Crafty Match ?

Author: Dieter Buerssner

Date: 17:02:57 02/17/02

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On February 17, 2002 at 18:51:03, Mogens Larsen wrote:

>On February 17, 2002 at 18:42:55, James T. Walker wrote:
>
>>I would like to run a match between the two subject programs.  I have just
>>finished running Crafty 18.13 vs Fritz 7 and Fritz 6 (G/60min).  I gave Crafty
>>18.13 the Fritz 7 book and 120 meg hash memory.  I gave the Fritz programs their
>>own book and similiar memory.

If you use Yace, I think, it would be fair to use some non-standard memory size
for hash tables. With long time control, the largest size, that does not yield
in swapping, should be best. Many engines allow powers of 2 for this size, while
Yace has no restriction. I often see, that people give Yace the same size, that
the opponent allows, just because the next factor of 2 would be too much.

Other than the hash size, and the path to TBs, the defaults of Yace can be kept.

>Fritz 7 won by 6-4 and Fritz 6 tied Crafty by
>>6-6.  I don't believe Yace can measure up but would like to give it a chance.
>>I'm interested in suggestions for Yace GUI/Book.  I can run it in Shredder with
>>the book I downloaded but is it fair to give Crafty the Fritz 7 book?  It did
>>very well in my opinion using that book.  I would like to run the match on 2
>>Athlon 1.4 G machines using auto232 with all 3/4/5 man tablebases.

I think, you know how to autoplay with Remi's autoplayer. I would suggest this.
The only difference to the Shredder interface should be, that book learning
works.

>I for one would be interested in knowing how Yace performs with the Necchi book
>under match conditions, because that may be a viable testing platform for the
>SSDF when, or rather if, they decide to test Yace.

I would find it interesting too, to see how Yace performs with the Necchi book.
However, if Yace should get the honor to compete in SSDF, I would prefer a
freely available book. The participation in the SSDF-list was discussed for an
amateur program. I think a commercial book, does not fit in, then.

Regards,
Dieter




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