Author: Mike Byrne
Date: 08:48:39 02/01/04
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On February 01, 2004 at 11:18:45, David Dahlem wrote: >I see the source for Crafty 19.10 is now available at .... > >ftp://ftp.cis.uab.edu/pub/hyatt/v19/crafty-19.10.zip > >What are the changes in this version? Is this the version playing in CCT6? > >Regards >Dave from main.c: ******************************************************************************* * 19.10 a fix to the EvaluateWinner() code to recognize that while KRB vs * * KR can not normally be won by the KRB side, we require that the * * KR side not be trapped on the edge of the board, where it can be * * mated. FUTILITY code put back in. 19.9 will be the SE version * * for those wanting to play with it. new "learn" command option to * * allow the user to set the position learning parameters that are * * used to trigger position learning and disable position learning * * after the game is already lost. the command syntax is as follows * * "learn trigger cutoff" and are expressed as fractions of a pawn * * with a decimel point. the default is learn .33 -2.0 which says * * to do position learning when the score drops 1/3 of a pawn, but * * turn it off after the score reaches -2.00 as the game is already * * lost and learning won't help at this point. this is the CCT-6 * * version exactly as played in the CCT-6 tournament. * * * ******************************************************************************* I had not realzied that there was newer version --- so Crafty 19.09 SE will not be released :( -- I will start working on Crafty 19.10 SE, since this version appears to be the "keeper" here. All my changes made to 19.09 will be carried over to 19.10 SE :>)
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