Author: Peter Berger
Date: 12:41:18 10/06/04
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On October 06, 2004 at 15:25:16, Peter Skinner wrote: >I think the main reason for that is flawed testing, testing on 1 pc with ponder >on.... > >Most people do not use the correct books, proper rc file settings, and well just >about anything else that can go wrong. Quite irrelevant, as there is little reason to assume that they changed their testing habits recently in a way that would hurt 19.17's performance. Also the book discussion has gone a little out of hand recently, if you ask me. > * 19.16 fix to "Trojan code" to eliminate the time limit exclusion since * > * many users still have old and slow hardware, and the time limit * > * was not set correctly when PreEvaluate() was called anyway. the * > * code to display fail-high/fail-low information was cleaned up so * > * that the +1 or +3 now makes sense from the black side where the * > * score is really going down (good for black) rather than showing * > * a +3 fail high (when Crafty is black) and the score is really * > * going to drop (get better for black). Now the fail-high-fail-low * > * +/- sign is also relative to +=good for white like the scores * > * have been for years. adjustments to pawn evaluation terms to * > * improve the scoring balance. "new" now terminates parallel * > * threads (they will be re-started when needed) so that we don't * > * burn CPU time when not actually playing a game. * > * * > * 19.17 changes to pawn evaluation to limit positional scores that could * > * get a bit out of sane boundaries in some positions. * > * * > ******************************************************************************* > >Really there is the removal of useless code, and fixs to scoring. That is about >it. Nothing significant between the two. > Reads different to me. At least the changes for 19.17 could well be relevant, judging only from the text above. Also sometimes there are changes with unexpected effects. Not that I think this is the case here ( I have no clue and have done no tests myself) . I simply made an observation about recently posted results. Peter
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