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Dunaev vs Tigran Vartanovich Petrosian
USSR (1946)
Sicilian Defense: Scheveningen. Classical Variation (B84)  ·  0-1


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Given 17 times; par: 54 [what's this?]

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sac: 22...Nf6 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
Feb-20-05  suenteus po 147: I do not doubt that Petrosian has a won position here, but could somebody please explain it to me? What's the ending here?
Feb-20-05  vonKrolock: White Q moves, then de2, Queen takes, otherwise a Rook goes, then Bb5 wins the exchange - in the end, Black plus will be a whole piece and two Pawns, whithout compensation for White
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  aw1988: Poor white. Massacre!
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  tpstar: An unconventional exchange sacrifice which proved stronger than it looks with Black's central Pawn roller stealing the show. Surprising that White went down so quickly since I thought he had a nice game out of the opening. Maybe 16. a5 was the problem, so perhaps 16. Qd2 & 17. Rad1 instead.
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  aw1988: Tal would doubtless play 16. Nd5 and crush black.
Aug-01-05  ARTIN: what? why can't he just take the if 16.Nd5?
Aug-01-05  farrooj: this is one of my favorite openings, the hedgehog sicilian. It's basic idea is to set up a black wall that white can't breach. If white attacks, blacks pieces all come in to you wait till white makes a mistake. If he doesn't, you can make plans of your own.

<ARTIN> he's saying Tal would make a dubious sacrifice like Nd5 to win

actually Nd5 sometimes works in the hegehog when the c fil is open

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  euripides: Petrosian must have been about fifteen, but this fine game has some of the hallmarks of his adult style including the killer exchange sacrifice.
Sep-11-07  wolfmaster: <euripides> Yes, THE killer exchange sacrifice.
Premium Chessgames Member
  xombie: Petrosian's games are like a dance. All the pieces sit so nicely on the best squares.

This is a standard variation. But even so, look at 6.. a6 to prevent Nb5 which will annoy the d pawn and the Queen from going to c7.

9 .. b6
Another very aesthetic move. It allows the fianchetto (the most obvious thing) and secures a beautiful spot for the Knight at c5-and we see, later that the b-file is opened when the Knight is taken.

Now the rook navigates to b4 -protected by the c-pawn. This of course allows the exchange sacrifice, but I think we must see the whole thing as a whole, starting from the creation of the outpost squares.

See also, how Petrosian takes the Bishop at e4 with the pawn to create the Passed Pawns.

Finally, we see another 'hole' with the Knight firmly parked on it on f6.

Almost every Petrosian game I see has a Knight outpost. There are also the 'mysterious' Queen manoevres, weird Rook development (again as outposts making very elegant formations like here) and bad bishops that are actually very useful.

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  xombie: I forgot to mention-all the pieces seem to eye e4. The fianchettoed bishop, the circuitous Rook manoeuvre and the Knight on f6.
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  dabearsrock1010: ooooo one for my collection which is very hard to satisfy, sacing the exchange for strong pawns
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  MethodMan: That was a destruction
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  arsen387: whites were wiped off the board after Petrosian's hallmark exchange sacrifice. Tigran was a great master already in 17
Apr-02-09  Andrijadj: Hedgehog in 1946???Petrosian was a great player...
Apr-02-09  tonsillolith: All that without castling? Wow. I'm certain I would have been anxious about castling from move 13 at least and certainly before 24...d5
Premium Chessgames Member
  xombie: Now that I look at this game again, it makes sense as to why he exchange sacced when he did. It was only AFTER white pushed pawns, opening the diagonals. So in a sense black provoked this pawn advance and then nipped it in the bud, after the ensuing diagonal weakening. Remarkable how these points emerge so suddenly!
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  xombie: Also, note the sweet blockading action on the kingside. How often have we tried this in our own games and succeeded? It is what nimzo calls, 'spreading the blockade net' (or web)
Jul-26-11  FlintEastwood: Ahh...maybe I'm missing the point here, but white's play seems pretty terrible. Can't he play something like 26Nb1, just getting his pieces out the way. Then after 26...d4 27. Bf2 e3 28. Bxe3 dxe 29. Qxe3 white seems quite okay to me. Black shouldn't go for the pawn with 29...Qxa5 because 30. Qe6 looks dangerous, and white gets a lot of counter play.
Mar-08-12  screwdriver: After the exchange sac, I noticed Petrosian had 2 pawns for the compensation. Who needs to castle? Not Petrosian.
Sep-01-16  maseras: Another brilliant exchange sac from Iron Tiger. But 16.f5! could be smashing for him.

Maybe 12...h5 will stop this ''bayonet attack''.

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