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Subject: Re: Crafty - annotate

Author: Steve Coladonato

Date: 04:55:40 10/29/01

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On October 28, 2001 at 16:38:04, Robert Hyatt wrote:

>On October 28, 2001 at 14:53:31, Steve Coladonato wrote:
>
>>On October 28, 2001 at 09:31:10, Robert Hyatt wrote:
>>
>>>On October 28, 2001 at 08:18:55, Steve Coladonato wrote:
>>>
>>>>I have extracted my lost games from SCID into a pgn file and have used crafty
>>>>17.9 to do the annotation with "<colors|name>" set to my name.  This is a great
>>>>feature because it determines which color I was playing and then analyzes the
>>>>moves only for that color.  The evaluations in the "can" file appear to be
>>>>"relative" evaluations and I was wondering if there is an argument that would
>>>>produce "absolute" evaluations. The crafty documentation does not refer to one.
>>>>
>>>>The command I used was: "annotate mylosses.pgn Coladonato 5-99 .15 20" which
>>>>gets me to an average of ply 11 on my PC.
>>>
>>>
>>>I am not sure about "relative" vs "absolute" unless you mean how it finds the
>>>best move, and then if the played move is XX worse relative to the best, then
>>>it outputs a PV and score for both?  I don't see how that could be done in an
>>>"absolute" way.
>>>
>>>If you mean how it displays all scores with +=good for white, -=good for black,
>>>that is just a design decision that makes the scores easier to understand.
>>
>>Dr. Hyatt,
>>
>>Yes, I was referring to absolute meaning +=good for white and -=good for black
>>and relative meaning +=good for whomevers move it is -=good for the other color.
>> e.g. When it is analyzing when I'm the black player, -1.40 for the moved played
>>vs -.60 for what crafty selected indicates that white (my opponent) is actually
>>+1.40 (absolute) for the moved played and would only be +.60 (absolute) for the
>>selected move.  Am I interpreting the score correctly?
>>
>>If that's the correct interpretation, I can write an awk script to change the
>>scores when I'm the black side.
>>
>>Thanks.
>>
>>Steve
>
>
>That is correct.  _every_ score displayed is +=good for white, -=good for
>black, whether it is in the log files, whispered/kibitzes on a chess server,
>or displayed in annotated game comments...

I was hoping that's what it would be but there is a game that has me confused.
Unfortunately, it is on my Linux PC at home and I won't be able to check it out
until this evening.

Thanks again for the clarification.  If I'm still confused, after this evening,
I'll post an additional reply.

Regards.

Steve



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