1
2
3
4
5
6
7
h8
g
f
e
d
c
b
a
3.Nxe5 Nf6: the f7 square

Against 3.Nxe5, 3…Nf6 is Stockfish's other move. After 4.Bc4, only one defense holds.

Recall: which move does Stockfish prefer to 2…f5?