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Subject: Re: A plea to all computer chess enthusiasts (short)

Author: Dann Corbit

Date: 11:24:49 02/09/06

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On February 09, 2006 at 14:22:03, Uri Blass wrote:

>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.

I guess that when programs went from Mini-max to Alpha-Beta, the improvement was
at least 200 Elo on average.

You do make a good point.  Most really good programmers do not share their
ideas.  Fabien was different from that standpoint.



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