1.d4
Nf6
2.c4
g6
3.Nc3
Bg7
4.Nf3
0-0
5.e4
d6
6.Be3
Nbd7
7.Bd3
e5
8.d5
Ng4
9.Bg5
f6
10.Bd2
Nc5
11.Bc2
f5
12.b4?
missing the last chance to castle
12...Nxe4
13.Nxe4
fxe4
14.Bxe4
Nxf2
15.Kxf2
Qh4+
16.Ke3
Bh6+
17.Kd3
Qxe4+
18.Kxe4
Bf5#
0-1