1.e4
1...e5
2.Nf3
d6
3.d4
Bg4
The Bishop is developed too soon. 3...Nf6, 3...Nd7, 3...f5, and 3...exd4 are all better moves.
4.dxe5
Bxf3
2nd Bishop moves loses time.
5.Qxf3
dxe5
6.Bc4
Developing move that threatens mate with Qf7.
6...Nf6
Developing move that eliminates threat to f7. Better would have been Qf6 because then 7. Qb3 would have made only one threat.
7.Qb3
Qe7
8.Nc3
c6
The Queen can now defend the b7 pawn.
9.Bg5
b5
10.Nxb5
Morphy sacrifices a knight for the b-pawn opening the diagonal towards the King.
10...cxb5
11.Bxb5+
Nbd7
The Knight is now pinned to the King.
12.0-0-0
Adding pressure to the pinned piece on d7.
12...Rd8
Both knights are pinned, and Morphy now trades one pin for another.
13.Rxd7
Rxd7
14.Rd1
Qe6
15.Bxd7+
Nxd7
Can you find the mate in two?
16.Qb8+
Nxb8
17.Rd8#
1-0 *