1.d4
e5
The Englund Gambit, a very bad opening popularized by Henry Grob (of 1.g4 fame)
2.dxe5
Nc6
One attack
3.Nf3
One defense
3...Qe7
Awkwardly developing the queen early, but two attacks
4.Bf4
Two defenses
4...Qb4+
Here's black trick. This early check attacks the undefended Bf4 and the b2-pawn.
5.Bd2
[5.Qd2??
Qxb2
6.Qc3
Bb4
]
5...Qxb2
6.Bc3?
Bb4
7.Qd2
Bxc3
8.Qxc3
[8.Nxc3
Qxa1+-+
]
8...Qc1#
How's that for a quick checkmate! *