Author: Uri Blass
Date: 03:45:03 08/26/02
Go up one level in this thread
On August 26, 2002 at 06:18:11, Rolf Tueschen wrote: >On August 25, 2002 at 12:00:06, Peter Fendrich wrote: > >>On August 25, 2002 at 07:59:54, Kurt Utzinger wrote: >> >>>Please have a look at >>> >>>http://ccc.it.ro/search/ccc.php?art_id=217174 >>> >>>Regards >>>Kurt >> > >============================================================================= >>These tables are not accurate at all for the lines covering only few games. >============================================================================= > >So, the tables are not correct (for the cases when you only have few, very few >games!), "because" the tables require normal distribution. So far so good. Now >you are argueing, let's take binominal or trinominal, and then we could get rid >of the limitations when you have very few cases (like in SSDF)? I hope I had no >language interferences? ssdf usually play hundreds of games with every program so I do not see the only few games problem. > >Without agitation let me make this very clear. Any attempt to show something >reasonable out of only very few cases (like in SSDF) is a myst. The limitations >out of very few cases is absolutely given. There is no way or "trick" to heal >that. > >There is only one single remedy and that is the higher number of cases. And >therefore the actual practice of SSDF is meaningless. And no adding would help >you out of this mess since you are presenting over 30000 games but these games >come from totally incomparable entities. But you could have known this before. >The adding of games in human chess is a completely different process. > >BTW let me repeat the question where you take the validity from in SSDF. What do >you measure? And how did you find control mechanisms? > >Also interesting could be where the similarities in Swedish ELO and human chess >ELO are coming from? Is this decided by definition? When was it done? > >Rolf Tueschen The list is calculated also based on games of humans against old computers. The rating of the good programs in the list were too high so they decided 1 or 2 years ago to reduce the rating of all programs by 100 elo to make the rating of the programs in the top of the list more realistic against humans. Uri
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