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Gideon Stahlberg vs Tigran V Petrosian
Zurich Candidates (1953), Zurich SUI, rd 11, Sep-16
King's Indian Defense: Fianchetto Variation. Classical Fianchetto (E67)  ·  0-1

ANALYSIS [x]

FEN COPIED

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Given 22 times; par: 109 [what's this?]

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Kibitzer's Corner
Mar-13-03  Rookpawn: In his book on the 1953 Zurich tournament, Bronstein says of 13. a3, "The first step towards disaster." (This is because the move indirectly weakens the d4 square; the black knight on c5 could reach this outpost via b3.) Then, he calls 17. Bh3 the "second step, and the fatal one," for it leads to the loss of the valuable e-pawn.
Mar-22-06  SniperOnG7: In the KID Fianchetto Variation, White's greatest asset is the flexibility of the position. Therefore it is often not advisable to lock up the centre so early with d4-d5. In addition, this allowed the thematic Nc5, which is generally a strong position for the Knight in the KID if it can be supported by the a-pawn, which guards against WHite's b-pawn push.
Aug-22-10  xombie: Yeah, Bh3 was just a ?? move by the GM. Probably drunk.
Jul-12-19
Premium Chessgames Member
  Sally Simpson: ***

A game that shows the unique typical style of Petrosian.

He waited with the patience of a crocodile for an error.

One came with here...


click for larger view

...with 17 Bh3 and a pseudo Knight sac 17...Nxe4. 18.Nxe4 Qf5+

Later he refuses a pawn - with a check! here.


click for larger view

Because it allows counter play and played 34...Rg8.

Give that to an attacking player then 34....Qxf3+ 35 Rg3 Qh1+ (Bronstein/Veinshtein '53 candidates book only gives 35...Qf5+ which does indeed allow White to wriggle back into the game.)

36.Rh2 Qf1+ and Black is two pawns up with Queen v two Rooks in the wind.

But too much like hard work. No need. The Petrosian way is the go back and wait for another error as White self destructs.

Whilst waiting we see Petrosian in his element with pawn island play. In this respect Capablanca has not greater disciple.

From the above diagram 9 moves later we are here.


click for larger view

Four isolated pawns, then here. White to play.


click for larger view

The threat of 45...Qf5+ and Rxh4 sucks out another critical blunder, though at this stage all moves maintain a clear Black plus.

45. Rg5 ...

Which prompts another pseudo sac.

45 ....Rxh4+
46 Kxh4 Qf4+.

Then it's the wrap up, the weak White pawns fall.

So what am I doing here. Was going to use this in a blog covering pseudo sacs. (remembered this game from my youth) then make merry with all animal nicknames Petrosian had. Tiger, Crocodile, Centipede, Python, Hedgehog....The Petrosian Zoo.

But changed my mind - shame to waste it, so you lot get it. I'll show opening traps with Pseudo sacs instead! I really should not be let loose on Petrosian's games. The Monkey examining a watch metaphor comes to mind. (add Monkey to the zoo.)

***

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