Author: Mike S.
Date: 00:37:53 06/09/03
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On June 09, 2003 at 02:51:02, Christophe Theron wrote: >On June 09, 2003 at 00:50:29, Mike S. wrote: > >>(...) >>I think nowadays, 10m+10s can provide a perfectly valid comparison too. >10+10 or 2+2 are the worst time controls you can imagine for Chess Tiger because >it does not handle Fischer time controls correctly. > >Actually you can do even worse by playing 1+100 for example, but 10+10 is >already a big problem for Tiger. Thanks for pointing to that (again). Actually I'm aware of it most of the time, but this time I forgot it... computer chess is so full of details! :-) >So I'm surprised that it ends up at such a good place... Indeed... the Elo difference to Shredder 7 and Fritz 8 if even *much smaller* than on SSDF. Astonishing. Klaus Wlotzka has tested Tiger 15 with the more gamibt=-1 setting. I don't know what SSDF uses. An important difference of the testing methods is, SSDF uses the big opening books, and the CSS list uses a small opening database with 10 short variants. So, either the others loose a bit more performance without their own books on the CSS list, and/or Tiger gains less than the others when using a large book, on the SSDF list. (I don't know if this is a Noomen book or a general book for Tiger 15, on SSDF.) Considering that Tiger scores that good even with a big time disadvantage due to the Fischer time controls (10m+0s instead of 10m+10s!), I wonder why it doesn't score better at 40/2h in the SSDF tests. Is it possible that Tiger 15 can use some of the increment time? To increase the confusion :-) here is another rating list, from P3/700 at * 30 min./game * played with a "general draw book": http://www.pcschach.de/Ranglisten/P3700Rating/p3700rating.html Very similar to the CSS list in the top ranks, with Tiger 15 a few points behind Fritz 8 and Shredder 7 (and King 3.23 scoring even better there, than on the other list). I'm clueless. :-) Regards, Mike Scheidl
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