Author: Odd Gunnar Malin
Date: 08:19:39 01/17/02
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On January 17, 2002 at 08:29:48, David Rasmussen wrote: >0.50 pawns? 0.30 pawns? 0.20 pawns? > >Specifically, when letting Crafty annotate a game, and you want to find what it >thinks is a positional blunder, what should be the margin? > >/David In books etc. use the move that change the score between += and = normaly be annotated as ?! (dubious move). In my first chess-program I own (Zarkov 2.6 by Stanback) he was giving this change a score of 0.2 pawn value. He gives the score between '+/-' and '=' to 0.6. (+/- -> White is clearly better or White has the upper hand.) In normal language this change between +/= and = could be writen 'white stands slightly better' and 'even'. The use in Chess Assistant seems to be between 0.4-0.5 pawn value but they have added a definition between these two scores (+=/=). I haven't tested the CA score because I always use symbols when analysing to not be disturbed by the small decimal changes. Odd Gunnar
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