Author: Uri Blass
Date: 03:28:58 11/10/00
Go up one level in this thread
On November 10, 2000 at 06:20:18, Chessfun wrote: >On November 10, 2000 at 03:36:05, Marcus Kaestner wrote: > >>>It is infact relatively simple to figure out. >>>If you check the current date of your F6 engine that will tell you if it is F6a >>>or F6b. >>> >>>Assuming you upgraded to 6a when it was issued which was Jan 23 all games prior >>>to that date are with F6 old or light (same thing). All games after were with 6a >>>or 6b. which apparently are the same engine with additional tablebase support >>>with 6b. >>> >>>As 6a and 6b seem relatively the same strength wise while 6a, 6b are far >>>superior to the 6. >>> >>>You could also have done like I and others did which was rename the files with a >>>hex editor so that the pgn actually reads correctly without having to change it. >> >>thank you, but this system doesn´t work if you have many testers. some are >>playing until now with the original engine and not the a-version. >> >>> >>>Your using the original F6 does an injustice to the totals as does using Deep >>>Junior on a superior processor when it naturally has played more games against >> >>junior isn´t used on a superior processor. only on two. and that is the >>advantage a dual-system has. >> >>>some programs than others. >>> >>>That alone leaves me doubting all the ratings I see there. >> >>there is nothing to doubt. >> >>marcus > > >Even without the processor question of a dual system over a single cpu there is >the Fritz 6 fact already acknowledged and I must also assume the same thing is >applicable to both Junior 6 and Deep Junior that the engine upgrades were made >by some not by others therefore even with these two programs the same thing >happened it's results are mixed up between it's two versions and cannot be >separated. > >That to me is plenty to doubt. > >Sarah. I can add that there is a reason to doubt all the rating of chess programs because of statistical error but when Fritz6 is in part of the cases fritz6a there is a also more noise and not only with fritz but also with the opponents of fritz. The opponents that were lucky to play Fritz6 and not fritz6a are going to get better rating. Uri
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