Find the decisive blow (difficulty 945)

12345678 hgfedcba

Black to move

Show solution
12345678 hgfedcba
  1. g8–h8 key move
  2. b1–g6
  3. f7–g6

What makes it

The king sets up a forced mate in three. A quiet move, soft as anything, and yet there is no reply. At 945, a warm-up.