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

Rat sets the pawn on C4, watching every square; then without hurry or fear, our hero places the pawn on F4. From the dark, Rat pushes the king to F7, and right after that our hero's king takes F2, leaving E1 behind.

Rat answers by moving the king from F7 to F8; then our hero slides the pawn across the board, from G2 to G4. With dungeon cunning, Rat brings the king to E8.

With a steady hand, our hero brings the king to E3, 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 F7, watching every square, and right after that without hurry or fear, our hero places the king on E4. From the dark, Rat pushes the king to F8; then our hero's pawn takes H4, leaving H2 behind.

Rat answers by moving the king from F8 to E8, and right after that our hero slides the king across the board, from E4 to E5. With dungeon cunning, Rat brings the pawn to D5.

With a steady hand, our hero brings the pawn to E4. Rat advances to E4 and claims our pawn.

From E5 to E4, our hero's king swallows Rat's pawn.

Rat sets the king on D7, watching every square; then without hurry or fear, our hero places the king on E5. From the dark, Rat pushes the pawn to E6, and right after that our hero's pawn takes C4, leaving C3 behind.

Rat answers by moving the pawn from C6 to C5; then our hero slides the pawn across the board, from C2 to C3. With dungeon cunning, Rat brings the pawn to G5.

From H4 to G5, our hero's pawn swallows Rat's pawn.

Rat's king advances from D7 to C8. our hero advances the pawn from G5 to G6, while rat sets the king on D7, watching every square.

Without hurry or fear, our hero places the pawn on G7. From the dark, Rat pushes the pawn to C6.

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

Rat answers by moving the king from D7 to C7. From G8 to E6, our hero's queen swallows Rat's pawn.

With dungeon cunning, Rat brings the king to B7. With a steady hand, our hero brings the pawn to A4, while rat's king advances from B7 to B6.

our hero advances the king from E5 to D6, and rat sets the king on B7, watching every square. Check: our hero tightens the net by bringing the queen to D7.

From the dark, Rat pushes the king to B6. By taking the pawn on C6, our hero drives Rat into check.

Rat answers by moving the king from B6 to A7. By taking the pawn on C5, our hero drives Rat into check.

With dungeon cunning, Rat brings the king to B8. Check: our hero tightens the net by bringing the queen to B6.

Rat's king advances from B8 to C8. our hero gives check with the queen on C6.

Rat sets the king on B8, watching every square, and right after that without hurry or fear, our hero places the king on D7. From the dark, Rat pushes the king to A7; then our hero's queen takes B5, leaving C6 behind.

Rat answers by moving the king from A7 to A8, and right after that our hero slides the king across the board, from D7 to C7. With dungeon cunning, Rat brings the king to A7.

Mate. our hero's queen on B7 leaves Rat with no escape.