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

Rat answers by moving the knight from D7 to F6; then our hero slides the pawn across the board, from C2 to C4. With dungeon cunning, Rat brings the king to D7.

With a steady hand, our hero brings the pawn to H3, and rat's knight advances from F6 to H5. A clean strike: our hero's pawn topples the pawn on G4.

Rat sets the king on C8, watching every square. From G4 to H5, our hero's pawn swallows Rat's knight.

From the dark, Rat pushes the pawn to A4. A clean strike: our hero's pawn topples the pawn on G6.

Rat answers by moving the king from C8 to D8, and right after that our hero slides the pawn across the board, from G6 to G7. With dungeon cunning, Rat brings the king to C8.

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

Rat's king advances from C8 to D7. our hero advances the queen from G8 to G6, and rat sets the pawn on E5, watching every square.

Without hurry or fear, our hero places the queen on G5. From the dark, Rat pushes the king to E6. Check: our hero tightens the net by bringing the queen to G4.

Rat answers by moving the king from E6 to F6; then our hero slides the pawn across the board, from D2 to D4. With dungeon cunning, Rat brings the pawn to E4.

From G4 to E4, our hero's queen swallows Rat's pawn.

Rat moves the pawn from C5 to D4 and topples our hero's pawn.

By taking the pawn on C6, our hero drives Rat into check.

Rat sets the king on E7, watching every square. By taking the pawn on C7, our hero drives Rat into check.

From the dark, Rat pushes the king to F6; then our hero's queen takes D7, leaving C7 behind. Rat answers by moving the pawn from D4 to D3.

From E2 to D3, our hero's pawn swallows Rat's pawn.

With dungeon cunning, Rat brings the king to G5. A clean strike: our hero's queen topples the pawn on A4.

Rat's king advances from G5 to F5. our hero advances the pawn from C4 to C5, and rat sets the king on E6, watching every square.

Without hurry or fear, our hero places the pawn on C6. From the dark, Rat pushes the king to D6, and right after that our hero's queen takes C4, leaving A4 behind.

Rat answers by moving the king from D6 to E5; then our hero slides the pawn across the board, from C6 to C7. With dungeon cunning, Rat brings the king to D6.

Promotion: on C8, our hero turns a pawn into a queen.

Rat's king advances from D6 to E5. our hero advances the queen from C8 to D8, while rat sets the king on F5, watching every square.

Mate. our hero's queen on E4 leaves Rat with no escape.