Author: Garry Evans
Date: 23:09:13 01/16/01
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On January 16, 2001 at 12:35:20, Ed Schröder wrote: >On January 16, 2001 at 09:06:45, Jari Kylmälä wrote: > >>On January 16, 2001 at 06:19:40, Ed Schröder wrote: >> >>>New in Century 3 (being in auto232 mode) is that so now and then the >>>program checks itselfs by doing a 11 ply search (about 10-15 seconds) >>>from the start position. The total number of nodes is checked and if >>>they don't match (they should always match of course) the engine is >>>damaged and an error message is written in the log-file AUTO232.LOG >>> >>>Even if only ONE error would occur that is the ultimate proof the >>>autoplayer software damages Rebel playing strength as suspected since >>>years. >>> >>>The error message "engine damaged" can be found almost without exception >>>in the log-file after each autoplayer session. >>> >> >>How is this actually possible? Century or AUTO232 has a memory flaw and >>somehow AUTO232 is writing somewhere in the memory which should be >>allocated by Century? I don't have AUTO232 myself so I don't fully >>know how it's functioning or the protocol/interface it uses but this sounds >>very strange to me. > >Yes it is strange. The suspect is indeed the driver writes outside its >own memory. I have asked for the source code of the driver but it is not >available anymore. > >The other possibility Rebel hurts itself is very unlikely. Playing hundreds >of engine-engine games never returns the the error message. > >Ed > > >>-- >>Jari Actually I was very surprised at the SSDF result of rebel Century vs Fritz, My Buddy and I played a 20 game match, I have a 750 using Century 3 and My Friend has A Thunderbird 1000, the games were played manually , Century slaughtered Fritz 13-7 !!! and he had the much faster hardware! Something is definitely wrong with ssdf testing.
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