A clean strike: our hero's pawn topples the bishop on B3.

With dungeon cunning, Slug brings the knight to C4. From B2 to C3, our hero's pawn swallows Slug's pawn.

Slug's king advances from E8 to D8. A clean strike: our hero's pawn topples the knight on C4.

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 B4. A clean strike: our hero's pawn topples the pawn on B4.

Slug answers by moving the king from D8 to C7. From B4 to C5, our hero's pawn swallows Slug's pawn.

With dungeon cunning, Slug brings the king to C6. A clean strike: our hero's pawn topples the pawn on B6.

Slug's pawn advances from F7 to F6. our hero advances the pawn from B6 to B7. Slug moves the king from C6 to B7 and topples our hero's pawn.

Without hurry or fear, our hero places the pawn on E4. From the dark, Slug pushes the king to C7, and right after that our hero's knight takes F3, leaving G1 behind.

Slug answers by moving the king from C7 to B7; then our hero slides the pawn across the board, from E4 to E5. With dungeon cunning, Slug brings the king to C7.

From E5 to F6, our hero's pawn swallows Slug's pawn.

Slug's king advances from C7 to B8. our hero advances the pawn from F6 to F7, while slug sets the king on B7, watching every square.

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

From the dark, Slug pushes the king to C7; then our hero's rook takes B1, leaving A1 behind. Slug answers by moving the king from C7 to D7, and right after that our hero slides the rook across the board, from B1 to B6.

With dungeon cunning, Slug brings the king to C7. With a steady hand, our hero brings the queen to F6, while slug's king advances from C7 to D7.

From F7, our hero's queen forces Slug to defend.

Slug sets the king on D8, watching every square. our hero delivers the final mate from B8.