Opposite Sides Castling10.Bxg6He would have preferred that the exchange to have taken place on d3 but
at last he relents opening the h-file for Black.hxg611.Qa4Kb812.b4
And so the race begins, White attacks on the Queenside, Black on the Kingside.Nh613.Qb3Nf514.a4
White has a
pawnstorm marching toward the Black King while Black has an open file against
the White King. Which will prove decisive?14...e5Black puts the question to
White's majority and prepares to get his own infantry moving.15.dxe5Nxe516.Nxe516.Bf4Nxf3+17.Qxf3Bd618.Bxd6Rxd6=16...Qxe517.Bb2Qc7White has his pieces in the game and his pawns are more advanced.18.c5a519.Rad1Rxd120.Rxd1Rh4
What a Rook Lift!21.bxa5
Opens a road to the King.Bxc5Suddenly Black's pieces have sprung to life
and his attack is starting to look menacing.22.a6Who has the edge?b623.Re1Ka724.Be5Qd725.Ne4Bd426.g3White wants to get the Black Rook off
the 4th rank.Bxe5!
The Exchange Sacrifice that Petrosian is famous
for. The defensive shell around the White King is greatly weakened.27.gxh4Nd428.Qd1Qd5Securing the Queen on a defended square
and also establishing control of the long diagonal.29.Re3Nf5More clever
tricks from Black30.Re1Nd431.Qd3f5Now the pawns start driving back
the White pieces.32.Ng5c5
White's only real assets now are the
exchange sacrifice and a well blockaded passed a-pawn, Black has spatial
superiority, good control of the center and control of the long diagonal. How
will this struggle end?33.Re3c4!?Contrary to what you might expect
Black begins to push his Queenside.34.Qd1Kxa635.Ra3Bf636.h3f4
Black continues to restrict space to his opponent.37.Qg4Ka5Not allowing
the White Queen to enter with tempo.38.Nf3Kb439.Nxd4!
Returning
the exchange with the idea of relieving the pressure.39...Kxa340.Nc2+Kxa4
Black has too much in this position and White resigns.0–1