Author: Steven Edwards
Date: 03:18:10 04/23/05
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On April 23, 2005 at 01:33:50, Dann Corbit wrote: >On April 22, 2005 at 21:21:07, Steven Edwards wrote: >>Symbolic's toolkit has just finished a one hour per position analysis of the 300 >>position WAC (Win At Chess) test suite. In 82 of the problems, a forced mating >>sequence was found. The program solved 299 of the positions and missed one >>(#230). >> >>The analysis is available for download at: >> >> http://www.geocities.com/chessnotation/Analysis/WAC-3600.epd.gz >> >>To find the mating solutions, type: >> >> grep Mate WAC-3600.epd > >The code pes seems to be new and used non-uniformly. > >What does pes represent? The EPD mnemonic "pes" means "pawn evaluation symbol" and is a replacement for "ce" (centipawn evaluation). It is the expectatation in signed decimal pawns with symbols used for special evaluations like mates, losses, even, unknown, etc.
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