1.d4
Nf6
2.Nf3
g6
3.Nbd2
Bg7
4.e4
d6
5.Bd3
0-0
6.0-0
Nbd7
7.b3
White has employed a decidely artificial system against the King's Indian defence, probably in an effort to cicumvent a prepared line.
7...c5!
8.c3
e5!
9.Bb2
Re8
10.Re1
d5!
11.Rc1
[ 11.dxe5
Nxe5
12.Nxe5
Rxe5
13.c4
d4
14.f4
Rh5
15.Nf3
Ng4
16.Be2
Ne3
; 11.dxc5
Nxc5
12.Bc2
Ncxe4
13.Nxe4
Nxe4
14.Bxe4
dxe4
15.Qxd8
Rxd8
16.Rxe4
f5
; 11.exd5
Nxd5
12.g3
to prevent the Knight from invading, then Black can speculate on the sacrifice... 12...Nxc3
13.Bxc3
cxd4
14.Bb2
Nc5
]
11...dxe4
12.Nxe4
Nxe4
13.Bxe4
exd4
14.cxd4
Nf6
15.Bd3
sacrificing a pawn to retain the two bishops
15...cxd4
16.Rxe8+
Nxe8
17.Bc4
Bg4
18.h3
Bxf3
19.Qxf3
Nd6
20.Bd5
Qa5
21.a4
Re8
22.Ba3
Re1+
23.Rxe1
Qxe1+
24.Kh2
Be5+
25.g3
Nf5
26.Bc4
otherwise Black will push the d-pawn
26...Qd2
threatening the g-pawn
27.Kg1
Qe1+
28.Kg2
Qd2
29.Kg1
Qe1+
30.Kg2
1/2-1/2