Fischer - Petrosian

(1) Fischer,R - Petrosian,T [B13]
Belgrade URS-World Belgrade (1.2), 1970

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.Bd3 Nc6 5.c3 Nf6 6.Bf4 [ 6.h3 e5 Fischer=F; 6.Bg5 Ne4 7.Bxe4 dxe4 8.d5 Ne5 9.Qa4+ Qd7 10.Qxe4 Qf5=/+ F] 6...Bg4 [ 6...g6 Petrosian=P] 7.Qb3 Na5 [ >=7...Qc8 P h5, g6 Hort] 8.Qa4+ Bd7 9.Qc2 e6 [ 9...a6 P] 10.Nf3 Qb6 P b5 11.a4!N Fischer's new move, which prevents 11.. d7-b5 exchanging the bad d7 with the very good d3. 11...Rc8 [ >=11...Nb3 12.Ra2 Rc8 13.0-0 Be7 F; 11...Qb3 12.Qe2! Bxa4? 13.Rxa4 Qxa4 14.Bb5++- F] 12.Nbd2 Nc6 13.Qb1 Nh5 [ >=13...g6 F] 14.Be3 h6 [ 14...f5 15.g4! fxg4 16.Ng5 Bd6 17.Bxh7 F; 14...g6 P] 15.Ne5 Nf6 [ 15...Nxe5 16.dxe5 Bc5 17.a5 Qc7 18.Nf3 F ( 18.g4 Bxe3 19.fxe3 Qxe5 20.gxh5 Qxe3+ 21.Be2 Bb5 22.Qd1 P f1-g3 P) ] 16.h3 Bd6 17.0-0 Kf8 [ >=17...0-0 F; 17...0-0 18.f4! Nxe5 19.a5!+/- ; 17...a5 18.Kh1 0-0 19.g4 Rfd8 20.Rg1 Be8 21.g5 hxg5 22.Bxg5 Kf8 23.f4!+/- ] 18.f4 Be8 [ 18...Nxe5 19.fxe5 Bxe5 20.a5+- F] 19.Bf2! F 19...Qc7 [ 19...g6 20.f5 gxf5 21.Bxf5 exf5 22.Qxf5 Qd8 23.Bh4+- F] 20.Bh4 Ng8 21.f5 Nxe5 22.dxe5 Bxe5 23.fxe6 Bf6 24.exf7 Bxf7 25.Nf3! F 25...Bxh4 [ 25...g5 26.Bf2 Kg7 27.Bd4 F] 26.Nxh4 Nf6 27.Ng6+ Bxg6 28.Bxg6 Ke7!! F 29.Qf5 Kd8 30.Rae1 Qc5+ 31.Kh1 Rf8+- F [ >=31...Rc6 F/P] 32.Qe5! F/P 32...Rc7 [ 32...Qc7 33.Qxd5++- F ( 33.Rxf6!+- ) ] 33.b4! F 33...Qc6 34.c4! F 34...dxc4 35.Bf5 Rff7 36.Rd1+ Rfd7 37.Bxd7 Rxd7 [ 37...Nxd7 38.Rfe1+- F/P] 38.Qb8+ Ke7 [ 38...Qc8 39.Rxd7+ Nxd7 40.Qd6+- F] 39.Rde1+ [ 39.Rde1+ Kf7 40.Qe8# ] 1-0

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