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