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Subject: Re: Opinion Poll

Author: Mike S.

Date: 10:15:19 02/21/00

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A long-time computer tournament is held by readers of CSS at

http://www.computerschach.de/leserturnier/start.htm

Thinking time is ranging from 6h upwards, depending on the hardware. But there
are some top programs missing, and only a few games are finished yet. I'm afraid
we can never have enough results for reliable statistics under such conditions
while the programs are still up to date.

I have no correspondence chess experience, but if I had to play such a game, I
would rely more on those programs of which I have the impression to be more
knowledge based and positionally strong, because at a very long thinking times
each program will find the tactical things anyway.

If a fast searching program recommends a strange looking sacrifice after 5 hours
of thinking time, you will hardly be able to analyze if it's sound. Even a GM
would need days for it. 3 hours more and it could find a refutation. I think,
any sharp sacrificial computer play from more than a few minutes on a
state-of-the-art system, is beyond human grasp. It would be a question of
confidence, not of conviction.

From my program collection, the best *positional* test results have:
CSTal II, Shredder 3, Socrates 3, AnMon 5.01, Comet B02 (some newer versions not
yet tested). All these programs are *not* among the top five in my tactics and
endgame test results.

Regards,
M.Scheidl



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