After move 17 Peter makes a triple sacrifice (Bishop, Knight then Queen!) to mate
1.d4
Nf6
2.Nf3
d5
3.e3
e6
4.Bd3
c5
5.b3
Nc6
6.Bb2
Bd6
7.0-0
0-0
8.Nbd2
Qc7
9.c4
cxd4
10.exd4
Re8
11.c5
Bf8
12.Re1
b6
13.cxb6
Qxb6
14.Rc1
Ba6
15.Bb1
Rec8
16.a3
Rab8
17.Re3
Ng4?
18.Bxh7+
Kxh7
19.Ng5+
Kg8
20.Qxg4
g6
21.Qh4
Bg7
22.Qh7+
Kf8
23.Nxe6+
fxe6
24.Rf3+
Ke7
25.Qxg7+
Kd6
26.Rf7
Rb7
27.Qe5+
Nxe5
28.dxe5#
1-0