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Subject: Re: Testgames with Gandalf 4.32f

Author: Tony Hedlund

Date: 03:25:23 09/13/00

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On September 11, 2000 at 18:34:36, Robert Hyatt wrote:

>On September 11, 2000 at 09:25:36, Mogens Larsen wrote:
>
>>On September 11, 2000 at 09:04:01, Robert Hyatt wrote:
>>
>>>I'm not quite sure who you are talking about here, but I really don't see a
>>>lot of "excuse company" activity.  I _always_ see a lot of "explanation"
>>>discussion.  Because I am always interested in what is happening.
>>
>>I'm not talking about you as the author behind Crafty. Your interest is obvious.
>>But persons who can't wait to invent excuses or refer to ancient versions that
>>once upon a time performed quite well according to their own tests, or claiming
>>that the native version used is significantly weaker without a shred of proof.
>>
>
>
>There is _way_ too much superstition used nowadays.  I see lots of this
>"version x.y-5 is better than version x.y".  And the conclusion is based on the
>fact that x.y-5 won 85 and lost 15 on a chess server, while version x.y (on the
>same hardware) won 70 and lost 30.  No real investigation into the opponents to
>see if they were equal...  no investigation into the book lines played..
>
>etc...
>
>Better "statistics" would prevent much of that...
>
>
>
>
>>>IE in the SOS/Crafty disaster with the SSDF guys, I was interested in what
>>>was going wrong.  It later turned out to be just bad opening line choices for
>>>the most part, as halfway through the 'match' results started evening out after
>>>Crafty lost the first N games badly.
>>
>>That is a reasonable explanation, but not the one chosen by the majority as far
>>as I can recall.
>
>
>It was what I saw.  The first dozen or two games were horrible results.  Then
>things changed drastically.

Correct. After 15 games it was, SOS-Crafty 12.5-2.5.
The last 25 games ended SOS-Crafty 13.5-11.5.

Tony

>>>You can go a long way only if you play a very long match.  Because the learning
>>>has to find ways to circumvent the many hand-prepared lines that some programs
>>>have in their books.  This isn't quick, but does make progress.  slowly...
>>
>>As almost everything else...
>>
>>Mogens.



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