Author: Uri Blass
Date: 00:06:52 01/17/01
Go up one level in this thread
On January 17, 2001 at 02:09:13, Garry Evans wrote: >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. I think it is still interesting to get the moves that cannot be reproduced manually in the ssdf games in order to prove the demage to Rebel. The ssdf games are public and I believe that doing automatic analysis of the games in order to find all the moves that cannot be reproduced is an interesting information and if there are a lot of games that moves cannot be reproduced then it can convince people not to trust the ssdf rating of Rebel. The tester claimed that there was no problem in the logfile. It does not prove that there was no problem in the games and the only way to know is by checking the games. Uri
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