Find the decisive blow (difficulty 1410)

87654321 abcdefgh

White to move

Show solution
87654321 abcdefgh
  1. e4–e5 key move
  2. f8–e8
  3. c2–g6

What makes it

A discovered attack, and the pawn carries it through. The shot starts with the pawn. It calculates 25 plies deep.