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Sergey Karjakin vs Deep Junior (Computer)
Man vs Machine 120'/40+60' (2004), Bilbao Esp, rd 2, Oct-07
Sicilian Defense: Najdorf Variation (B90)  ·  1-0
ANALYSIS [x]

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Kibitzer's Corner
Dec-10-07  cotdt: why hasn't this game gotten more attention? this guy beet deep junior in its favorite positions!
Jul-01-11  jokerman: Nice game, note that f3 gave him an anti positional computer game. 24.Nc4 is a nice move, avoiding an obvious trade on c6. "Rb1 Rb3" "Nb6 Nd5" shows how grand master think (improving piece placement). a3 a move which i realy dont understand, if anyone could explain, please do! I and i reckon many others would like to know
Jul-18-13  Mikhail Tal fan: <jokerman>
a3 was to prevent Nb4, it seems to me, since black's a5 seems to prepare an outpost for the knight on b4 ,protecting it from the Queen . that kind of prophylaxis moves is always good vs computer as well as vs humans, alike
Jul-18-13  DcGentle: A positional masterpiece by Karjakin, excellently demonstrating the power of positional play against a clueless engine. It's not widely known, but although current engines are tactical monsters, they are weak positionally.

Notice how White systematically chokes off any tactical play by the engine, engaging prophylaxis and overprotecting pawns. Especially pawn d5 is always protected even against a possible exchange sac by Black. The engine has no clue about strategical squares or holes of a closed position.

Karjakin of course knows all about it and exerts so much pressure, that Black's pieces are more and more busy with defensive tasks. So in the end a simple threat to take Black's h-pawn is enough to have Black's position collapse.

An engine knowing about positional chess in the way a GM does, would play differently. About ten years on, Houdini would have committed not all mistakes of Deep Junior, but it's doubtful whether it knows enough to win against Karjakin here.

Mar-30-14  peristilo: Engines have become too strong. Today this victory wouldn't be possible.
Apr-03-14  nummerzwei: It was stupid to include 10...BxNd5 in the opening book if the program cannot handle the ensuing closed positions properly. In particular, Black needed to avoid the queenside bind by playing ...a5 at some point, for instance immediately.

I don't mean to take anything away from Karjakin's win, obviously.

May-02-14
Premium Chessgames Member
  AylerKupp: A fine performance by Karjakin, particularly since he was only 14 at the time and the lowest rated among the humans, a "mere" 2576 on Oct-2004.

This game was played in the Man vs. Machine World Team Championship in Bilbao 2004, see http://en.chessbase.com/post/bilbao.... The other participants in the "Man" side were Topalov (rated 2747 on Oct 2004) and Ponomariov (rated 2710 on Oct 2004), and the other participants in the "Machine" side were Fritz 8 running on a Centrino 1.7 GHz notebook and Hydra running on a 16-procesor array. Junior was running on a quad-core 2.8 GHz desktop.

Alas, this was the only game won by the humans against the "clueless engines" who finished with an 8.5 3.5 edge against the humans. Fritz and Hydra tied for first with 3.5/4, while Topalov tied with Junior for 3rd/4th place with 1.5/4. Clearly Junior was off-form in this event. :-)

Nov-22-14  yurikvelo: http://pastebin.com/YUfh3CNw
this game analysis
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