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Subject: Re: German Kishon's relevations about DEEPJUNIOR

Author: Rolf Tueschen

Date: 08:22:20 02/01/03

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On January 31, 2003 at 22:58:54, Robert Hyatt wrote:

>On January 31, 2003 at 18:45:11, Rolf Tueschen wrote:
>
>>On January 31, 2003 at 18:40:15, Eduard Nemeth wrote:
>>
>>>On January 31, 2003 at 11:05:56, Robert Hyatt wrote:
>>>
>>>>On January 31, 2003 at 07:56:58, Rolf Tueschen wrote:
>>>>
>>>>>As a careful scientist I can present the following results. The details of my
>>>>>method must remain secret, but you are invited to read CTFfor example.
>>>>>
>>>>>The actual program against Kasparov for the first time in history played for all
>>>>>the psyche of a concrete human opponent. We know that Kasparov believes in
>>>>>magic. Numbers are very important for him as symbols for something coming from a
>>>>>hidden world. So in consequence Kasparov believes in the super-natural of chess.
>>>>>Now what DEEP JUNIOR has done in game three is giving Kasparov the perception of
>>>>>a position that is completely lost for the computer side. In front of a castled
>>>>>King Kasparov saw two Knights on f6 and h6. Not enough, he had an open g-file
>>>>>against such a configuration! And his own King could still castle to the Queen's
>>>>>side! Three officers were directed against Black's King-side. Queen and two
>>>>>Bishops! The black King might have felt like Israel in front of the Arab World.
>>>>>
>>>>>But did Kasparov EVER have such a winning position against a human opponent? Of
>>>>>course not because only patzers would play like that. And against patzers you
>>>>>don't need your best chess. Here is the secret of the actual design of the
>>>>>Israeli computer program. What would happen if Kasparov had to win such a won
>>>>>position against precise calculations on the border of the allowed and possible
>>>>>in chess? Is he prepared for such a challenge? Of course not!
>>>>
>>>>
>>>>You are making one assumption that may turn out to be faulty:  "The position
>>>>was winning for white after g4 Nxg4".
>>>>
>>>>It looked dangerous for black.  But "looks" don't win against a computer.
>>>>Against a human, black might well have "folded".  Just as surely as Kasparov
>>>>folded near the end of the game.  But a computer generally won't, and during the
>>>>game no computer ever thought white was up by as much as a whole pawn.  So it
>>>>might just be a case of something looking dangerous but not really being
>>>>dangerous.
>>>>
>>>>Computers are known for their ability to handle such positions very well, and
>>>>the inherent problem in such positions is that quite often, there is a very
>>>>fine line to walk as the position is played by both sides.  Anytime you put
>>>>a human in a position where he has _one_ good choice, and _lots_ of fair to
>>>>bad choices, for many moves, the probability of a single mistake goes way up,
>>>>and what we saw in game three happens.
>>>>
>>>>Ng6+ was a solid drawing move, but Kasparov either (a) missed it (which seems
>>>>unlikely) or (b) he thought the rook move gave him winning chances, without
>>>>enough time to really analyze carefully.  Whichever reason really doesn't
>>>>matter that much.  If you are the world's best "minesweeper" you still take
>>>>a chance every time you walk on to a minefield...
>>>
>>>I believe that Gary not draw to play wanted and therefore Rh5 played. The cause
>>>lies in my opinion into game 2. There Gary has one win line missed and thus
>>>wanted it into game 3 to _absolutely_ win!
>>
>>:)
>>
>>Yes, Eduard, aber Bob versteht ja gar nicht, daß Garry in Nummer 2 gewinnen
>>konnte. Er glaubt, daß Garry echt Glück gehabt hat gegen DJ noch diesen Remisweg
>>gefunden zu haben... <grins>
>>
>>Yes Eduard, but Bob only sees that Garry could draw in Game Two, but not win.
>>Bob thinks that Garry was lucky in finding a way out in Game Two when DJ was
>>almost winning. <g>
>>
>>Rolf Tueschen
>>
>>
>
>I don't believe I ever said "he was lucky in game 2".  He made an incredibly
>deep sacrifice offer that I'd bet he was sure the computer would take, and it
>led to a position that gave black lots of chances.  But white made no mistakes
>and the chances were all "vaporous" and the draw ensued.

False! The chances were high enough to win! Please read the variations on
ChessBase.

Rolf Tueschen



>
>>>
>>>
>>>>
>>>>>
>>>>>So this is the answer how David could still beat Goliath. Big super powers have
>>>>>to control a huge traffic of their own while little David must only concentrate
>>>>>on the strategically weakest spaces and entities of the enemy. Perhaps we have
>>>>>seen the birth of a new chess pattern. After the famous Nf8 position that often
>>>>>can defend the whole Kingside for Black we have now the Nh6 position. This is
>>>>>chess of the third thousand. It is worth more than three times Las Vegas.
>>>>>
>>>>>Rolf Tueschen



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