1.e4
e6
2.d4
d5
3.Nc3
Bb4
4.e5
c5
5.a3
Bxc3+
6.bxc3
Qc7
7.Qg4
f5
8.Qg3
cxd4
[8...Ne7
9.Qxg7
Rg8
10.Qxh7
cxd4
11.Kd1
Bd7
12.Qh5+
Kd8
13.Ne2
Ba4
14.Nf4
Qxe5
Ivkov v Lajos Portisch 1961]
9.cxd4
Ne7
10.Bd2
0-0
11.Bd3
b6
12.Ne2
Ba6
13.Bxa6
Nxa6
14.Nf4
Qd7
15.h4
Nc6
16.Qd3
Nc7
17.h5
Rac8
18.h6
g6
19.0-0
Kh8
20.Rfc1
Rg8
21.Nh3
Rgf8
22.a4
Kg8
23.Nf4
Rfe8
24.Rab1
Red8
25.Ne2
Re8
26.Rb2
Red8
27.Rcb1
Rb8
28.Nf4
Rdc8
29.a5
b5
30.Bb4
a6
31.Qd2
Qf7
32.Bd6
Ra8
33.Nd3
Ne8
34.Bc5
Nc7
35.Rb3
Rab8
36.Ra1
Kh8
37.Rc3
Ne8
38.Bb6
Kg8
39.Rb1
Qe7
40.Rc5
Qd7
41.Qg5
Nc7
[41...Nxd4
42.Rxc8
Qxc8
(42...Ne2+
43.Kf1
Qxc8
44.Qe7
Rb7
45.Qc5+-
) 43.Bxd4
Qxc2+-
44.Qe7
The threat of Bc5 and mate cannot be stopped if Black takes any piece 44...Qxb1+
(44...Qc7
45.Qxe6+
Qf7
46.Qxa6
) 45.Kh2
Qxd3
46.Bc5
]
42.Rxc6
Qxc6
43.Qe7
Ne8
44.Bc5
1-0