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Subject: Re: What made Deep blue good? What will make programs much better now?

Author: Robert Hyatt

Date: 13:36:09 07/09/02

Go up one level in this thread


On July 09, 2002 at 15:44:43, Uri Blass wrote:

>On July 09, 2002 at 15:30:28, Robert Hyatt wrote:
>
>>On July 09, 2002 at 02:12:01, Uri Blass wrote:
>>
>>>On July 08, 2002 at 23:25:50, Robert Hyatt wrote:
>>>
>>>>On July 08, 2002 at 14:04:16, Christophe Theron wrote:
>>>>
>>>>>On July 08, 2002 at 11:36:09, Robert Hyatt wrote:
>>>>>
>>>>>>On July 08, 2002 at 06:25:57, Daniel Clausen wrote:
>>>>>>
>>>>>>>On July 08, 2002 at 02:28:03, Slater Wold wrote:
>>>>>>>
>>>>>>>>On July 08, 2002 at 00:32:42, Christophe Theron wrote:
>>>>>>>>
>>>>>>>>>On July 06, 2002 at 20:15:06, stuart taylor wrote:
>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>I suspect that search may see that the right move help to push the opponent king
>>>>>>>>>>>closer to the corner relative to the wrong moves and it may be enough.
>>>>>>>>>>>
>>>>>>>>>>>Uri
>>>>>>>>>>
>>>>>>>>>>Yes, that looks like the best thing to try and work on, doesn't it?
>>>>>>>>>>
>>>>>>>>>>If not, can I ask two questions?:
>>>>>>>>>>1)What should be done during the near future to push computer elo forward as
>>>>>>>>>>much as possible?
>>>>>>>>>>2)If Deeper blue was really much stronger than todays tops, what was that due
>>>>>>>>>>to? Better long-term planning? Seeing deeper?
>>>>>>>>>>S.Taylor
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>Huge speed.
>>>>>>>>>
>>>>>>>>>It was doing most things worse than the best micro programs, but it was doing it
>>>>>>>>>so fast that it was eventually stronger.
>>>>>>>>>
>>>>>>>>>Hum... Let me rephrase for the sensitive people out there. There was nothing
>>>>>>>>>Deep Blue did better than the best micro programs. But it was so fast that it
>>>>>>>>>allowed it to hide its defficiencies.
>>>>>>>>>
>>>>>>>>>Shit. That's not very diplomatic either. Let's try again: Deep Blue was build
>>>>>>>>>around a concept outdated by 2 decades but fortunately it was so fast that
>>>>>>>>>nobody noticed until their creators published their paper.
>>>>>>>>>
>>>>>>>>>Oops... OK, once again:
>>>>>>>>>
>>>>>>>>>Bob likes Deep Blue a lot, and that should be a reason good enough to convince
>>>>>>>>>you that it was well designed.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>    Christophe  ;-)
>>>>>>>>
>>>>>>>>I too am a DB fan.  Just like Bob.
>>>>>>>>
>>>>>>>>But I actually agree with you here.  I don't think DB did anything
>>>>>>>>*spectacular*.
>>>>>>>>
>>>>>>>>But I also know that Program X will be a _LOT_ stronger on hardware 100,000x
>>>>>>>>times faster than anyone else has.  No matter how horrible the software side is.
>>>>>>>
>>>>>>>Sheesh, you guys! Of course they did something spectacular! But it's the
>>>>>>>software/hardware package that plays chess, not just the software alone! And
>>>>>>>they didn't buy the hardware around the corner, as you do with your PC. They
>>>>>>>designed it!
>>>>>>>
>>>>>>>It's obvious that you guys seem to honour work in the software more than work in
>>>>>>>the hardware. Adding feature X in the software is something great, but designing
>>>>>>>DB's hardware which was Y time faster (Y being 200 and more) is "just faster
>>>>>>>hardware". A bit unfair. :)
>>>>>>>
>>>>>>>Sargon
>>>>>>
>>>>>>
>>>>>>OOhhhhh...  a good "counterpoint".  But it will fall on deaf ears, I
>>>>>>predict.  After all, DB was inferior in every way except for speed and
>>>>>>results.  And we all know results don't mean a thing..  it is _how_ you get
>>>>>>those results that count...  At least to some, apparently...
>>>>>
>>>>>
>>>>>
>>>>>I think that in order to be objective one has to notice that:
>>>>>
>>>>>1) Deep Blue was a terrific hardware that has been able to achieve an historical
>>>>>performance.
>>>>>
>>>>>2) On closer examination the algorithms used were not superior than the ones
>>>>>used in micro programs.
>>>>>
>>>>>I have repeated 1 and 2 several times now. I think I should move on to more
>>>>>productive tasks.
>>>>>
>>>>>
>>>>
>>>>
>>>>We go around and around.  I have stated, 1000 times now, that what they
>>>>did, they did _very_ fast.  What they did was clearly _not_ "inferior" to
>>>>what everybody else was doing.  It was just done within the framework of
>>>>"speed is what we are about and we can get away doing some things because we
>>>>are so fast..."
>>>>
>>>>So they were about speed.  Blazing speed.  The program was not just a "weak
>>>>piece of software" grafted onto fast hardware.  I think it pretty easy to
>>>>conclude that by just taking a very poor search and evaluation at 2-4M nodes
>>>>per second and watch a GM whittle it into small pieces positionally.
>>>>
>>>>It is _obvious_ to me that they had a _lot_ of speed.  But they had some
>>>>other things as well...  Otherwise we will all be stomping GM players right
>>>>and left.  Except they still "have their moments" on ICC...
>>>
>>>Fritz3 on p90 already did good result against GM's in a tournament(win and some
>>>draws in 1994 or 1995 if I remember correctly) when it got an IM norm and it did
>>>not search 2M nodes per second.
>>
>>So?  Deep thought was producing a 2650 rating a couple of years _earlier_.
>>Which shows that the gap between Deep Thought in 1992 and Fritz in 1995 was
>>_very_ significant.  And then Deep Thought turned into Deep Blue and went
>>100X faster still.
>>
>>The gap widened seriously at that point...
>>
>>
>>>
>>>Fritz3 had more problems in that tournament against the weaker players because
>>>the weaker player bought it and were prepared(something that the opponent of
>>>deep thought could not do and looking at games is not the same).
>>
>>Ditto for deep thought.  It had played dozens of games in comp vs comp
>>events.  It played in several open tournaments to produce that 2650 rating.
>>IE it wasn't a "surprise" at all as everyone had access to dozens of games
>>played by the machine...
>
>Having games of the thing and buting the thing is not the same.
>
>Uri


Not "the same" but fairly close.  Not unknown like DB2 was unknown.



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