Author: Tom Likens
Date: 09:43:11 01/14/04
Go up one level in this thread
On January 14, 2004 at 11:10:55, Tony Werten wrote: >On January 14, 2004 at 10:47:56, Reinhard Scharnagl wrote: > >>On January 14, 2004 at 10:35:38, Uri Blass wrote: >> >>>On January 14, 2004 at 10:19:03, Reinhard Scharnagl wrote: >>> >>>>On January 14, 2004 at 07:52:19, Uri Blass wrote: >>>> >>>>>I think that learning can be very effective. >>>>> >>>>>An engine that does not learn may lose the same games again and again after >>>>>enough games. >>>>> >>>>>I use learning for matches of 4 games that are popular in Leo's tournament and >>>>>my learning is simply to choose a different first move after a loss. >>>> >>>>Is this real 'learning', or an escaping into a not yet refuted randomizing? >>>> >>>>>With my very small manually edited book(only few hundreds of positions) there >>>>>are big chances that movei will lose the same game twice if I do not do it. >>>>> >>>>>For testing I prefer to use the nunn2 match and test suites. >>>> >>>>Nevertheless that behaviour really may produce success, it is not what I would >>>>call learning. But you are not alone using the word 'learning' that way. >>>> >>>>Before claiming something being able to learn, please specify, what is learning. >>>>I still cannot do this sufficiently. >>>> >>>>Regards, Reinhard. >>> >>>Every behaviour of a program that is dependent on the history of games is >>>learning. >> >>Hello Uri, >> >>learning is possible from success or from failures. (And I hope not to have >>made you angry by the above.) >> >>Failures (in opposit to successes) mostly can be localized at a special point of >>history (you correctly demands that dependance). >> >>But loosing a game can be completely independent from the opening moves. >> >>Without being able to localize the probably point of error (with a lot more than >>low random chance) how could there be a correct implementing of experiences? > >Does it matter ? If opening theorie says a certain book position is winning, yet >your engine keeps loosing it, you'd better avoid that position. It depends, am I playing Kasparov or Joe Patzer? *Every* opening may be losing if the answer is the former. --tom > >Of coarse, if you change your engine and suddenly it does understand the >position, you'd better throw away the learnfiles. > >Tony > >> >>Regards, Reinhard.
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