1.d4
Nf6
2.c4
e6
3.Nc3
Bb4
4.Qc2
The Classical Variation of the Nimzo-Indian
4...Nc6
[ 4...c5
; 4...d5
]
5.Nf3
d6
6.Bd2
0-0
7.a3
Bxc3
8.Bxc3
Re8
9.Rd1
Qe7
10.b4
e5
11.d5
Nb8
12.e4
Bg4
13.Be2
Nbd7
14.Nh4
Bxe2
15.Nf5
Qf8
16.Kxe2
Having succeeded in exchanging off the bad light-squared bishop, white might consider swinging his king to the queenside and countering black's kingside assault more directly
16...Nh5
with two ideas... Nf5, and g6-f5
17.Bd2
Nf4+
18.Kf1
Now it's too late to swing the king to the other wing.
18...g6
19.Ne3
c5
20.g3
Nh5
idea of Ng7 and f5
21.Kg2
Qe7
22.Rb1
Rf8
23.f3
Kh8
24.Qd3
Ng7
25.Nd1
f5
26.Nf2
Rf7
With the idea of doubling rooks prior to the exchange on e4
27.exf5
gxf5
28.Rhe1
Rg8
29.f4
Nh5
30.Qf3
[ 30.bxc5
Nxc5
31.Qc3
and how can black defend the e5-pawn?]
30...Qh4
31.fxe5
Rfg7
32.Rb3
Nxe5
33.Rxe5
[ 33.Qxf5
Qxc4-/+
]
33...dxe5
34.Qxf5
Qxc4
35.Rf3
Qxd5
36.Ne4
[ 36.Qxh5
Qxd2
37.Qxe5
cxb4-+
]
36...Rg4
37.Qxh5
Rxe4
38.Bh6
Re2+
39.Kh3
Qe6+
40.Rf5
Rf2
[ 40...Rf2
41.g4
Qb3+
42.Kh4
Rxh2#
] 0-1