White to play:
And then stockfish said "1. h3 Kc7 2. Kc5 Kb7 3. b5 Kc7 4. b6+ Kb8 5. Kc6 Kc8 6. Rd4 Kb8 7. Rd8#"
Intuitively, I just play Rh3 to attack the pawn, or Rd6+, but I think both of those kill a mate-in-8. When I played Rd6+, Stockfish says I traded a mate-in-8 for a mate-in-150. I didn’t see either one.
White to play: