Computer Chess Club Archives


Search

Terms

Messages

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

Author: Chris Carson

Date: 13:10:46 07/09/02

Go up one level in this thread


On July 09, 2002 at 15:26:58, Robert Hyatt wrote:

>On July 09, 2002 at 13:38:03, Chris Carson wrote:
>
>>On July 09, 2002 at 13:27:31, Chris Carson wrote:
>>
>>>On July 09, 2002 at 12:51:35, Robert Hyatt wrote:
>>>
>>>>On July 09, 2002 at 07:35:55, Chris Carson wrote:
>>>>
>>>>>On July 08, 2002 at 23:18:00, Robert Hyatt wrote:
>>>>>
>>>>>>On July 08, 2002 at 14:49:22, Chris Carson wrote:
>>>>>>
>>>>>>>On July 08, 2002 at 14:26:22, Christophe Theron wrote:
>>>>>>>
>>>>>>>>On July 08, 2002 at 12:36:01, Robert Hyatt wrote:
>>>>>>>>
>>>>>>>>>On July 08, 2002 at 12:15:06, Uri Blass wrote:
>>>>>>>>>
>>>>>>>>>>On July 08, 2002 at 11:32:38, Robert Hyatt 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around a concept outdated by 2 decades but fortunately it was so fast that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  ;-)
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>Er... excepting one game by Fritz in 1995, when was the last time you saw
>>>>>>>>>>>any micro beat any predecessor of deep blue?  When was the last time _your_
>>>>>>>>>>>program beat or drew them?  Etc...
>>>>>>>>>>>
>>>>>>>>>>>Results speak far louder than prejudice...
>>>>>>>>>>
>>>>>>>>>>Results can only prove that they were better than their opponents but this is
>>>>>>>>>>not the question.
>>>>>>>>>>
>>>>>>>>>>Uri
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>That is the problem.  That was _the_ question.  But since the answer is
>>>>>>>>>clearly known, everybody wants to change the question to something that would
>>>>>>>>>try to make deep blue look "less" than what it really was.  But it was
>>>>>>>>>unbeatable, considering that it lost to one micro in almost 10 years of
>>>>>>>>>competition.  Nobody _else_ has ever come close to that kind of dominance.
>>>>>>>>>
>>>>>>>>>I think it funny that _now_ the question becomes "was their search optimal"?
>>>>>>>>>Implying that current micros _are_.  Which is a joke.  Both have enough holes
>>>>>>>>>to supply a swiss cheese factory for years.  The concept of "optimal" is a
>>>>>>>>>joke.  The concept of "results" is the only scientific way to measure the
>>>>>>>>>programs against each other.  The rest is only subjective opinion.
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>There has been a big smoke fog spread around Deep Blue.
>>>>>>>>
>>>>>>>>At the time of the Kasparov match, we have been told that:
>>>>>>>>
>>>>>>>>1) it was extremely fast.
>>>>>>>>2) it had much more knowledge than any other program around.
>>>>>>>>3) it was using some revolutionnary search techniques.
>>>>>>>>
>>>>>>>>Now that we are able to see more clearly what it was, it turns out that:
>>>>>>>>
>>>>>>>>1) its superiority came from its speed.
>>>>>>>>2) the rest was nothing new, and we are still trying to figure out what part was
>>>>>>>>actually superior to what the best micro programs are doing.
>>>>>>>>
>>>>>>>>I don't think that noticing the above is against the interest of science.
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>    Christophe
>>>>>>>
>>>>>>>I will be happy to publish the steps to pass muster for human (including GM's)
>>>>>>>experiments.  One quick note is that any "scientific" test to be valid must be
>>>>>>>reliable/published so that it can be shown to be repeatable by an independant
>>>>>>>scientist.
>>>>>>>
>>>>>>>The DB project was a secret thing, it was very nice " h/w technology", but I do
>>>>>>>not consider much about DB to be related to science. I am not sure the DB
>>>>>>>results are reliable, I would expect significantly different results if the
>>>>>>>Human GM played a few more game (say 100 prep like the 2700 GM had against Rebel
>>>>>>>recently).  I expect DB 1996/97 would get beat by the PC's today in a "true"
>>>>>>>double blind match/tournament.
>>>>>>
>>>>>>
>>>>>>You were doing OK until that last sentence.  Do you _really_ think you could
>>>>>>take _any_ program from 1997, run it at 200M nodes per second, and that program
>>>>>>would lose to today's micro programs at 1M nodes per second.  I _hope_ you don't
>>>>>>believe that.  And yet we _know_ that DB 97 was certainly stronger than any
>>>>>>1997 micro, because deep thought was stronger than any micro of its time and
>>>>>>DB took a quantum leap 100X faster than Deep Thought.
>>>>>
>>>>>Read my last statement again.  I said "PC's today", not programs from 97.  Yes I
>>>>>do believe that in a double blind match/tournament the top "PC's (single and
>>>>>multi-processor chess programs" would beat DB 96/97.  I would add that the
>>>>>Programmers for Fritz, Junior, Tiger, Hiarcs, Shredder, Rebel would have to be
>>>>>included and independant arbiter used.
>>>>>
>>>>>I also agree with Uri's reply:
>>>>>http://www.talkchess.com/forums/1/message.html?239295
>>>>
>>>>
>>>>Reread what _I_ said.
>>>>
>>>>"if you take _any_ PC program from 1997, and magically find hardware fast enough
>>>>to make it run at 200M nodes per second, then according to your above statement,
>>>>you _must_ believe that today's micros would smash that PC in your 'double-
>>>>blind' match".
>>>>
>>>>I don't believe that for a minute.  And since DB 97 was stronger than any
>>>>micro in 1997, you must believe that today's micros are far superior to 1997's
>>>>micros, based solely on software.  That is a crock.  Today's programs are
>>>>stronger.  But not a _lot_ stronger, if you run 1997 vs today's programs on
>>>>equal hardware.  Hardware is a _lot_ of the strength gain.  And DB had a _lot_
>>>>of strength.  I don't believe today's programs could beat a 1992 micro program
>>>>if it were running at 200M nodes per second.  That is simply too large a time
>>>>handicap and the tactics will rule the game.
>>>
>>>(1) What was the specific W L D record for Deep Blue 95 against the 1995
>>>programs/hw?  It was 1 win 1 loss 1 Draw.  (2) What was it for Deep Thought W L
>>>D against the 1997 programs/hw?  0 wins 0 loss 0 draw.  Deep Thought did not
>>>play any of the 1997 pc programs.  I do not see actual results to support your
>>>statements.  Please post the games and results for Deep Blue or Deep Thought
>>>against the 1997 programs.
>>>
>>>Yes, the Programs today on today's hardware would smash the programs that Deep
>>>Thought beat in 1989 on 1989 hardware.  In 1989 DT beat Rebel X and Fidelity X
>>>on 1989 harware, so what, big deal.  I am sure any of the top programs on todays
>>>hardware would have no problem winning.
>>>
>>>I do not see any "results" based evidence to support the statement that DB 96/97
>>>or Deep Thought (any year) was stonger than programs in 1997.  I only hear that
>>>Deep Thought beat two programs in 1989 and DB was 100 times faster.  The
>>>programs/hw in 1997 were close to DB96/97  and the programs today are better
>>>than DB 96/97.
>>
>>I never said that the 1997 programs needed to be run at 200mnps.  You said that.
>> I think the 1997 programs were close to DB, not that far behind.  1997 version
>>of Rebel on todays fastest single AMD would beat DB 96/97 in my opinion.  DB
>>96/97 needed the blazing speed, not the commercials.  The HW/SW today would beat
>>DB 96/97.
>
>
>I didn't say you said _anything_  I clearly said that if you took a 1997
>program, and put it on "magic hardware" do you _really_ think that a program
>/ machine from today would beat it, if this "magic hardware" ran the 1997
>program at 200M nodes per second?  I don't think today's program would stand
>even a small chance of winning any significant numbers of games at that time
>handicap.
>
>And that time handicap is _exactly_ what 1997 DB would hold over _any_ program
>of today on today's hardware...

DB nps does not equal Rebel nps or Tiger nps or Fritz nps or ...  You can not
compare nps to nps.  I look at results and there are no games (except human vs
computers) for comparison.



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.