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Subject: Re: Crafty - annotate

Author: Odd Gunnar Malin

Date: 05:34:49 10/29/01

Go up one level in this thread


On October 29, 2001 at 07:55:40, Steve Coladonato wrote:

>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

Maybe you could post the game too.
When I try here I get only score's like Bob said. Could it be that after it
discard the best move crafty sees longer when analyzing your move.

Odd Gunnar



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