1.e4
e6
2.d4
Nf6
3.Bd3
Nc6
4.Nf3
Be7
5.h4
0-0
6.e5
Nd5
Greco reaches this position in his handbook after making six not particularly intelligent moves. But in those days of 1619, this is how chess was played.
Next comes the big blow!!
7.Bxh7+!!
Kxh7
8.Ng5+
Kg8
[8...Bxg5 9.hxg5+ Kg6 10.Qh5+ Kf5 11.Qh3+ Kg6 12.Qh7#
(9.h5+
Kf5
10.g4#
) ]
9.Qh5
Re8
[9...Bxg5
10.hxg5
f5
11.g6
]
10.Qh7+
Kf8
11.Qh8#