Author: Uri Blass
Date: 14:37:30 08/16/05
Go up one level in this thread
On August 16, 2005 at 17:30:02, Paolo Casaschi wrote: >On August 16, 2005 at 17:26:28, Dann Corbit wrote: > >>On August 16, 2005 at 17:16:33, Paolo Casaschi wrote: >> >>>>I know that usually when program improve they improve in all time controls. >>>>I do not know of evaluation changes or search changes that make programs weaker >>>>at blitz but stronger at long time control. >>>> >>>>In thoery it can happen but I need to see a proof for it and I believe that >>>>fabien mainly test in blitz time control(he can correct me if I am wrong) >>>>because usually productive changes in blitz of adding knowledge to the >>>>evaluation are also productive at long time control. >>> >>>Do you have any proof or evidence that there is some correlation between blitz >>>strenght and slower speed strenght? >>>If you dont, then we can only compare assumptions and I tend to agree with Bob >>>Hyatt since the same non-correlation is evident with humans and because common >>>sense... >> >>There is definitely a general correlation between strength at blitz and strength >>at standard time control. However, there are also exceptions to the rule. >> >>For instance, we will expect Fruit to be stronger than Golem at blitz, in the >>same way that we would expect Kasparov to clobber me at blitz. >> >>On the other hand, Mike Valvo overperforms at blitz, and Amy used to >>underperform badly (it was mostly due to bad algorithms for time management at >>fast time control). > >Exactly my point. >There is some correlation but there are exceptions and it's possible that >different players have a different type of correlation, thus the point of Bob >Hyatt stands. > >--Paolo I still need to see an example for programs without significant bugs that show significant difference(Amy is not a good example because of bad time management) There may be cases when A is 50 elo weaker at blitz and 50 elo better at long time control but I doubt if you can find cases when A is 100 elo weaker at blitz and 100 elo stronger at long time control. Uri
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