A clean strike: our hero's pawn topples the bishop on C3.

From the dark, Slug pushes the pawn to C4. From C2 to B3, our hero's pawn swallows Slug's pawn.

Slug answers by moving the king from E8 to F8. A clean strike: our hero's pawn topples the pawn on C4.

With dungeon cunning, Slug brings the knight to D5. From C4 to D5, our hero's pawn swallows Slug's knight.

Slug's pawn advances from B5 to B4. A clean strike: our hero's pawn topples the pawn on B4.

Slug sets the pawn on E3, watching every square. From D2 to E3, our hero's pawn swallows Slug's pawn.

From the dark, Slug pushes the pawn to B5; then our hero's pawn takes F3, leaving F2 behind. Slug answers by moving the king from F8 to G8.

From F3 to G4, our hero's pawn swallows Slug's pawn.

With dungeon cunning, Slug brings the king to G7. our hero gives check with the bishop on B2.

Slug's king advances from G7 to F8. our hero advances the pawn from G4 to G5, and slug sets the pawn on F6, watching every square.

A clean strike: our hero's pawn topples the pawn on F6.

From the dark, Slug pushes the king to F7, and right after that our hero's pawn takes E4, leaving E3 behind. Slug answers by moving the king from F7 to G6; then our hero slides the pawn across the board, from G2 to G4.

With dungeon cunning, Slug brings the king to H6. With a steady hand, our hero brings the pawn to F7, and slug's king advances from H6 to G5.

Promotion: on F8, our hero turns a pawn into a queen.

Slug sets the king on G6, watching every square. From F5, our hero's queen forces Slug to defend.

From the dark, Slug pushes the king to H6. our hero delivers the final mate from H5.