A clean strike: our hero's bishop topples the pawn on A3.

From the dark, Rat pushes the pawn to E6. From A3 to C5, our hero's bishop swallows Rat's pawn.

Rat answers by moving the knight from C6 to E5; then our hero slides the bishop across the board, from C5 to E3. Rat gives check with the knight on F3.

With a steady hand, our hero brings the king to E2, and rat's king advances from E8 to F8. A clean strike: our hero's king topples the knight on F3.

Rat sets the pawn on E5, watching every square, and right after that without hurry or fear, our hero places the pawn on H4. From the dark, Rat pushes the pawn to D5; then our hero's king takes G4, leaving F3 behind.

Rat answers by moving the pawn from D5 to D4, and right after that our hero slides the bishop across the board, from E3 to F4. With dungeon cunning, Rat brings the pawn to A4.

With a steady hand, our hero brings the pawn to F3. Rat advances to F4 and claims our bishop.

From G4 to F4, our hero's king swallows Rat's pawn.

Rat sets the king on G8, watching every square; then without hurry or fear, our hero places the king on G4. From the dark, Rat pushes the pawn to C6, and right after that our hero's pawn takes F4, leaving F3 behind.

Rat answers by moving the king from G8 to F7; then our hero slides the pawn across the board, from H4 to H5. Rat captures the pawn on H5 and puts our hero in check.

From G4 to H5, our hero's king swallows Rat's pawn.

Rat's king advances from F7 to G8. our hero advances the king from H5 to G5, while rat sets the pawn on D3, watching every square.

Without hurry or fear, our hero places the pawn on F5. From the dark, Rat pushes the pawn to D2; then our hero's pawn takes F6, leaving F5 behind.

Rat answers by moving the king from G8 to F7, and right after that our hero slides the king across the board, from G5 to H6. Rat's pawn crowns on D1 and a hostile rook is born.

With a steady hand, our hero brings the king to H7. Rat's edge falls on H1 and it is mate against our hero.