Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Behind Deep Blue: 3rd print with new Hsu afterword

Author: Vasik Rajlich

Date: 14:34:01 05/10/04

Go up one level in this thread


On May 10, 2004 at 11:01:56, Vincent Diepeveen wrote:

>On May 10, 2004 at 10:38:17, Vasik Rajlich wrote:
>
>kasparov just shuffles something on 3 rows and you call him lucky instead of the
>machine plain stupid?

Yes - of course you need to be lucky to just shuffle something on 3 rows ...

;)

[some mild amusement]

>
>:)
>
>[lots of laughter]
>
>>On May 10, 2004 at 07:35:28, Vincent Diepeveen wrote:
>>
>>>On May 10, 2004 at 06:28:13, Vasik Rajlich wrote:
>>>
>>>fritz3 beated deep blue in world champs 1995.
>>>
>>>rebel8 beated deepblue junior playing blitz against it in world champs 1999.
>>>
>>>And no it didn't move instantly deepblue junior. It used its time up very
>>>wisely.
>>>
>>>It just didn't have a book, that's all.
>>>
>>>the moves played by deepblue are horrible. real horrible.
>>>
>>>now you try to convince me that those nonsense moves played by deep blue which
>>>all have questionmarks are good? :)
>>>
>>>you're funny.
>>
>>They're playable. A lot of things in chess are playable - even if you'll never
>>play them yourself.
>>
>>>
>>>I happen to be FM and after intensive analysis i conclude that kasparov didn't
>>>do a thing in game 1, but that deep blue committed suicide there with moves like
>>>h6 g5 and another shitload of moves.
>>>
>>
>>By the way even the endgame wasn't that easy to win. In fact Kasparov was quite
>>lucky that at some point that it was winning, these types of endings will
>>usually somehow dissipate into a draw. After nine "?" moves for one side and
>>four or five "!" moves for the other I'd at least think the ending wouldn't be
>>so interesting.
>>
>>Vas
>>
>>>>On May 08, 2004 at 20:25:41, Vincent Diepeveen wrote:
>>>>
>>>>>On May 08, 2004 at 18:55:16, Djordje Vidanovic wrote:
>>>>>
>>>>>>On May 08, 2004 at 12:14:42, Anthony Cozzie wrote:
>>>>>>
>>>>>>>On May 08, 2004 at 11:51:12, Robert Hyatt wrote:
>>>>>>>
>>>>>>>>On May 08, 2004 at 10:50:57, Anthony Cozzie wrote:
>>>>>>>>
>>>>>>>>>On May 08, 2004 at 07:18:27, Vasik Rajlich wrote:
>>>>>>>>>
>>>>>>>>>>On May 08, 2004 at 04:34:40, Sune Fischer wrote:
>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>>>You are absulutely right.
>>>>>>>>>>>>>It is obvious that humans already solved chess so they know if a move is a
>>>>>>>>>>>>>blunder or not a blunder so you can be sure that all the question marks are
>>>>>>>>>>>>>correct.
>>>>>>>>>>>>>
>>>>>>>>>>>>>It is also obvious that the number of mistakes is what decides the game so if
>>>>>>>>>>>>>your opponent did 2 mistakes you can let yourself to do one mistake like letting
>>>>>>>>>>>>>him to force mate and you are not going to lose.
>>>>>>>>>>>>>
>>>>>>>>>>>>>:_(
>>>>>>>>>>>>>
>>>>>>>>>>>>>Uri
>>>>>>>>>>>>
>>>>>>>>>>>>You know, Uri, I have never seen you do anything but post how other people are
>>>>>>>>>>>>wrong (never with any reasons of course).  Many other people have noticed your
>>>>>>>>>>>>unending flood of negativity.  It is difficult to consider this post as anything
>>>>>>>>>>>>other than a flame.  It appears I am going to have to take off the kid gloves
>>>>>>>>>>>>and dispose of you.
>>>>>>>>>>>
>>>>>>>>>>>Isn't it natural to only post if you disagree?
>>>>>>>>>>>
>>>>>>>>>>>Anyway, I suspect Uri has a point.
>>>>>>>>>>>It's not unusual for computers to play "unatural" moves, just think of the
>>>>>>>>>>>Hedgehog Junior played against Kasparov.
>>>>>>>>>>>
>>>>>>>>>>>All the time the GM's were saying how strange Junior's moves were, how "it
>>>>>>>>>>>showed no understanding of the position" blah blah blah.
>>>>>>>>>>>
>>>>>>>>>>>So please explain why Kasparov suddenly had to fight for a draw after 10
>>>>>>>>>>>questionmark moves from Junior!
>>>>>>>>>>>
>>>>>>>>>>>-S.
>>>>>>>>>>
>>>>>>>>>>I never thought this day would come - but I agree with Uri here. :-)
>>>>>>>>>>
>>>>>>>>>>Sports aren't about beautiful play. Sports are about winning. If someone is
>>>>>>>>>>playing ugly, and winning, then it's your sense of aesthetics which needs to be
>>>>>>>>>>reviewed.
>>>>>>>>>>
>>>>>>>>>>Computers have a long history of winning ugly. In the recent Fritz-Kasparov and
>>>>>>>>>>Junior-Kasparov matches, the machines made many many more "mistakes" (according
>>>>>>>>>>to human opinion) than Kasparov. But - if these mistakes aren't punished - are
>>>>>>>>>>they really mistakes? Is it a mistake to leave Shaq wide open for three point
>>>>>>>>>>shots? (Or send him to the line for "free" throws?) It's impossible to speak
>>>>>>>>>>about objectivity here. You can only look at the results.
>>>>>>>>>>
>>>>>>>>>>Vas
>>>>>>>>>
>>>>>>>>>Let's take a look at some of the moves the annotator didn't like:
>>>>>>>>>
>>>>>>>>>[D]r2q1rk1/pp1n1ppp/2pbpn2/3p3b/8/1P1PPNPP/PBPN1PB1/R2Q1RK1 b - - 0 10
>>>>>>>>>
>>>>>>>>>Zappa plays the obvious 10 ...e5.  Deep Blue played 10 ...h6.  I won't call this
>>>>>>>>>a bad move, but it's clearly a pass move.
>>>>>>>>
>>>>>>>>That isn't very convincing.  Did you look at _your_ PV?  move 4?  :)
>>>>>>>>
>>>>>>>>Order doesn't mean much to alpha/beta as it scores positions, not moves as they
>>>>>>>>are played.
>>>>>>>>
>>>>>>>>First impression is that h6 and e5 transpose to the _same_ position...
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>>I will accept that my 4 ply search plays pass moves some of the time :)  Zappa
>>>>>>>uses pure R=3 now, and perhaps the evaluation isn't quite good enough for it.
>>>>>>>
>>>>>>>anthony
>>>>>>
>>>>>>
>>>>>>
>>>>>>In my opinion 10...h6 is not merely a pass move or waste of time.  White may
>>>>>>plan to push the g-pawn to g4 and drive the black bishop to g6 aiming to
>>>>>>exchange his knight for the bishop later, playing the knight to h4.  Thus
>>>>>>10...h6 gives black refuge.  Besides, the bishop positioned at h7 would be very
>>>>>>useful later on, perhaps after the push you mentioned that Zappa plays right
>>>>>>away, exerting pressure on the e4 square...
>>>>>>
>>>>>>Just an idea.  One glance at the diagram... Caveat emptor :-)
>>>>>
>>>>>I tend to agree with Seirawan on this matter more, after h6 you can resign here
>>>>>positionally with black.
>>>>
>>>>Aha, so it was Seirawan who is responsible for these ridiculous annotations.
>>>>That would explain a lot. Don't get me wrong, I like the guy, but his many
>>>>opinions shouldn't be confused for facts.
>>>>
>>>>It was quite funny to watch Seirawan during Fritz-Kasparov, game 4. Kasparov
>>>>with black chose the QGA, breaking the old boring stereotyped rule that you
>>>>shouldn't let computers play open positions. At this point, there would be
>>>>several explanations:
>>>>
>>>>1) Kasparov has a different opinion about what computer can and can't do.
>>>>2) Kasparov has a different idea about the QGA and where his preparation will
>>>>lead him.
>>>>3) Kasparov made a horrible opening blunder that even beginners should be able
>>>>to avoid by following some simple logic.
>>>>
>>>>The next half hour or so were filled with explanations of why exactly you
>>>>shouldn't give computers these types of positions. Followed by congratulations
>>>>to the Fritz opening team for outfoxing Kasparov in the opening. It was really
>>>>funny.
>>>>
>>>>Of course a few moves later of course the "danger" had passed, and it was clear
>>>>who had had his way in the opening - once again.
>>>>
>>>>Chess is not easy, and there are many reasonable ways to play just about any
>>>>position. It's silly to think that the one you like is the correct one, or the
>>>>only one.
>>>>
>>>>Vas



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.