Author: James T. Walker
Date: 08:31:54 12/13/98
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On December 13, 1998 at 10:14:08, Robert Hyatt wrote: >On December 13, 1998 at 07:41:36, James T. Walker wrote: > >>On December 13, 1998 at 00:25:09, Robert Hyatt wrote: >> >>>On December 12, 1998 at 14:33:41, James T. Walker wrote: >>> >>>>Subject says it all.. I continue to get better results with 15.20 than 16.0. >>>>Is anyone else testing with these two engines? What are the improvements with >>>>Crafty 16.x ?? >>>>Jim Walker >>> >>>There's no real differences between the two except for tablebase support >>>changes... >> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>Hello Bob, >>Thanks for answering my post here. I've asked this question before and you gave >>me the same answer. The problem is that when I test the two programs I have >>which were downloaded from your site (Wcrafty.exe) I get different results. >>Here is a position from an earlier post by L.Chen: >> >>1rb2rk1/1q2bppp/4pn2/pN1pP3/B7/4BP2/1PP2QPP/2KR3R b - - 0 19 >> >>This was created by Crafty. Anyway, Crafty15.20 finds 19....Bd7 in about 3 >>minutes. Crafty 16.0 finds Bd7 in almost 10 minutes a ply later. There are >>other examples but if they were the same why wouldn't they take the same amount >>of time for the same position. There are no tabelbase probes involved in the >>search. >>I want to play some games with CraftyXX.XX but would like to make sure I have >>the strongest version vs some commercial programs. >>Thanks for your answer, >>Jim Walker > >there are some differences but they are *very* minor. IE I played a bunch of >1 minute games and they come out pretty even, with a slight bias for 16.0/1... >(don't use 16.0 with tablebases, there is a subtle bug in the probe code that >will screw up if an enpassant capture is possible)... > >But as always, use the one you want, or the one you think is best... >>>>>>>>>>>>>>>> Thanks again Bob, but I was trying to get you to commit as to which is the best. I wanted it from the source ! :-) Where do you think Crafty's strengths lie ? I mean is it best at 5,0 or 30,0 or maybe 40/120 vs most other programs ? Jim Walker
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