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Subject: Re: Correspondence chess

Author: David Blackman

Date: 23:49:38 03/04/01

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On March 05, 2001 at 00:05:28, Wayne Lowrance wrote:

>I am curious as to the strongest program used in Correspondence chess, where
>speed is not an issue, but finding the best moves.

There was something called the Korresponence Kup held by people here on CCC a
couple of years ago. Turns out that programs that are good at normal time
controls are also good at correspondence.

Perhaps the biggest surprise was that Crafty did somewhat better against the top
commercial programs than it usually does. (In fact, i think Crafty won the
tournament outright.)

Of course, most of the programs in that event would have been modified quite a
bit since then, so the outright results might not be the same today. But i think
there are 4 main conclusions that are still probably true:

1. Crafty is very strong at correspondence, probably a bit stronger than it's
normal time control strength would suggest.

2. Good programs at faster time controls are also good at correspondence.

3. All the top programs are extremely strong at correspondence (ie. most human
players without computer assistence would lose most of the time. However human
correspondance master players are at least in with a chance.)

4. There is not much difference between the strength of the top 10 or so
progams. People here on CCC like to try to argue which is strongest, but in fact
the difference is so small it doesn't really matter.



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