With a steady hand, our hero brings the pawn to F4; then rat's king advances from E8 to D8. our hero advances the king from E1 to F2, and right after that rat sets the pawn on C4, watching every square.

Without hurry or fear, our hero places the king on G3. A cruel blow: Rat's pawn captures our hero's pawn on B2.

our hero claims the enemy pawn by landing on G4.

On B1, Rat promotes and gains a reinforcing queen.

The battle cuts short: our hero resigns against Rat.