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Subject: Re: EPD tests a little leaky...

Author: Bruce Moreland

Date: 01:25:00 02/10/99

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On February 09, 1999 at 22:58:41, Dann Corbit wrote:

>Mike Byrne over on r.g.c.c. just found two more (he found a total of five!)
>negative checkmates in the first twenty rows from the rockpile.  No wonder they
>are so hard to solve -- they have no solution. ;-)
>
>It is rather amazing how many of these problems have less than ideal answers.
>
>For quite some time people have been basing the strength of their computer
>programs by running against batteries of these tests, as one measure of ELO.
>
>Maybe we need to look over the tests very carefully.  It could be that an 80%
>score is 100% right and a 100% score is 20% wrong!
>
>Maybe you have thought -- darn it!   My program keeps getting the wrong answer
>on this problem!
>
>OTOH, maybe your program was right all along.

I don't understand what the suite is supposed to represent.  Some suites are
presented as "hard problems", and I thought that is what this was.  But it seems
like a lot of them are more like "broken problems", and all running the thing
for an half-hour or so per position does is waste time.

bruce



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