Author: Robert Hyatt
Date: 13:38:04 10/28/01
Go up one level in this thread
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...
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