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

Author: Vincent Diepeveen

Date: 08:01:56 05/10/04

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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?

:)

[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



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