Author: Uri Blass
Date: 11:22:03 02/09/06
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On February 09, 2006 at 14:08:31, Dann Corbit wrote: >On February 08, 2006 at 22:17:11, Will Singleton wrote: > >>>The very rapid >>>improvement in the general level of strength isn't a recent >>>development; it has been going on for several years. The gap >>>between the new and improving programs and the established >>>professionals has been constantly diminishing, and it has long >>>been clear that it was only a matter of time before some of the >>>new engines would surpass the old giants. >> >>Uh huh. It might have long been clear to you, but was that before Fruit or >>after? I recall when Ruffian came out, people could scarcely believe its >>strength. No one, folks said, could develop such a strong amateur program in >>relative secrecy, and then just burst on the scene. But Ruffian never >>approached commercial strength. >> >>And then came Fruit. Not an evolutionary change, not forseen, not anticipated. >>One day the commercials ruled, then Fruit came out. That was the change. Only >>after that did programs begin to "surpass the old giants." I'm not criticizing, >>only pointing out that the change was sudden, not evolutionary, and no one >>predicted it. >> >>Unless, as you say, you did. Where was that post? > >Junior and Chess Tiger were just like Fruit. It's just history repeating >itself. And it is going to happen again and again No Fruit was free source code. Junior and chess tiger were not free source code. It is not history repeating and you can see big advance in copmputer chess after fruit2.1 In less than a year from fruit2.1's release we already got 100 elo improvement only in software relative to shredder9 even if we only look at the 32 bit version of rybka. When did it happen in the last 10 years? I think that in the last 10 years there was never improvement of 100 elo relative to previous best program. 3 Rybka 1.01 Beta 13-13b 32-bit 2870 28 28 488 74.0 % 2689 27.5 % 14 Shredder 9 2753 8 8 4805 63.2 % 2659 31.9 % Note that we can expect Rybka1.2 to be even stronger so we probably get improvement of more than 150 elo in the last year. I think that it never happened in the last 10 years and maybe never happened in the past. Uri Uri
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