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Subject: Re: did somebody try the PET test?

Author: Mike S.

Date: 21:36:23 03/28/02

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On March 28, 2002 at 18:22:05, Graham Banks wrote:

>I've actually found Chessmaster 8000 to be very good in endgames, considering
>that it can't access tablebases. I would respectfully suggest that you haven't
>played too many games with it.
>I still reckon Shredder is the endgame king though. What do others think?

I used to think, best endgamers are King, Crafty, and Mchess Pro which is
history more or less. Currently, Shredder and also Tiger are mentioned often as
good endgame players.

The impressions vary much I think, depending on the test suites or games
somebody has used or studied. I use a too small sample in my test. In another
larger test, the CSS WM-Test which includes 16 difficult endgame positions,
Century 4.0 is best in that part with 13 solutions, followed by many engines
with 11 each.

Peter McKenzie (of LambChop) has an endgame test suite with 50 positions at his
homepage:

http://homepages.caverock.net.nz/~peter/eg_test/positions.htm

I wonder if somebody has tried that with the top engines. It seems to be a
relatively difficult test: Hossa solved only 21 within 1 minute (the test is
meant to be used with 1 minute for each position).

http://www.jakob.at/steffen/chess/tests/pet.html

I didn't take a closer look at the positions, but with the high number of 50 it
probably could give quite reliable results (?).

Regards,
M.Scheidl



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