1.e4
c5
2.Nf3
Nc6
3.d4
cxd4
4.Nxd4
e5
5.Nb5
d6
6.c4
a6
7.N5c3
Be7
8.Be2
Nf6
9.0-0
Be6
10.Na3
0-0
11.Be3
b6
12.Rc1
Qc7
13.Nd5
Qb7
14.Nxb6
Rab8
15.f3
Nd4
16.Na4
Nxe2+
17.Qxe2
Rfc8
18.Rfd1
h6
19.b3
Nd7
20.Nb1
Kh7
21.Nbc3
Nc5
22.Nxc5
dxc5
23.Nd5
Bxd5
24.Rxd5
f6
25.Rcd1
Rc7
26.Qd2
Qb4
27.Rd7??
This sort of blunder is an occupational hazard for a GM giving a simultaneous exhibition.
27...Rxd7
28.Qxd7
Rd8
0-1