This game against an opponent 1400 points rated lower than me was the only game I would win in this tournament. This is the worst tournament performance I can remember having since I began playing chess.
1.d4
Nf6
2.Nf3
g6
3.c4
Bg7
4.Nc3
d5
5.cxd5
Nxd5
6.e3
0-0
7.Qc2
Nxc3
8.bxc3
c5
9.Rb1
Nc6
10.Qa4
cxd4
11.cxd4
e5
12.dxe5
Nxe5
13.Nd4
Bd7
14.Qd1
Nc6
15.Rxb7?
Nxd4
16.exd4
Bc6
17.Rb3
Ba4
18.Be3
Re8
19.Be2
Bxb3
20.axb3
Qa5+
21.Kf1
Rad8
22.Bc4
Bxd4
23.g3
Bxe3
24.Qf3
Bd4
25.Bxf7+
Kg7
26.Bxe8
Rxe8
27.Kg2
[27.Qb7+
Kh6
28.Kg2
Rf8
29.Rf1
Qd2
30.Qe4
Rxf2+
31.Rxf2
Qxf2+
32.Kh3
Qf5+
33.Qxf5
gxf5
]
27...Rf8
28.Qd3
Rxf2+
29.Kh3
Qh5#
0-1