From B2 to A3, our hero's pawn swallows Rat's pawn.

Rat sets the pawn on E6, watching every square; then without hurry or fear, our hero places the pawn on F4. From the dark, Rat pushes the king to D8, and right after that our hero's pawn takes G4, leaving G2 behind.

Rat answers by moving the king from D8 to E8; then our hero slides the pawn across the board, from H2 to H4. With dungeon cunning, Rat brings the king to F8.

With a steady hand, our hero brings the pawn to H5, and rat's king advances from F8 to G8. A clean strike: our hero's pawn topples the pawn on G6.

Rat sets the pawn on E5, watching every square. From F4 to E5, our hero's pawn swallows Rat's pawn.

From the dark, Rat pushes the king to H8; then our hero's pawn takes G5, leaving G4 behind. Rat answers by moving the king from H8 to G7, and right after that our hero slides the pawn across the board, from C2 to C4.

With dungeon cunning, Rat brings the king to H8. With a steady hand, our hero brings the pawn to E4, while rat's pawn advances from D7 to D6.

our hero advances the pawn from E5 to E6, and rat sets the king on G7, watching every square. Without hurry or fear, our hero places the pawn on E7.

From the dark, Rat pushes the pawn to D5. Promotion: on E8, our hero turns a pawn into a queen.

Rat moves the pawn from D5 to C4 and topples our hero's pawn.

Check: our hero tightens the net by bringing the queen to E7.

Rat advances to G6 and claims our pawn.

With a steady hand, our hero brings the queen to E5, and rat's pawn advances from C4 to C3. A clean strike: our hero's pawn topples the pawn on C3.

Rat sets the king on H5, watching every square. Check: our hero tightens the net by bringing the pawn to G6.

From the dark, Rat pushes the king to G4; then our hero's pawn takes G7, leaving G6 behind. Rat answers by moving the king from G4 to F3.

Promotion: on G8, our hero turns a pawn into a queen.

With dungeon cunning, Rat brings the king to E3. our hero delivers the final mate from G3.