From C1 to A3, Francesc's bishop swallows Rat's pawn.

Rat's king advances from E8 to D8. Francesc advances the pawn from D2 to D4, while rat sets the pawn on G3, watching every square.

From D4 to C5, Francesc's pawn swallows Rat's pawn.

From the dark, Rat pushes the pawn to G5. A clean strike: Francesc's pawn topples the pawn on G3.

Rat answers by moving the pawn from G5 to G4, and right after that francesc slides the queen across the board, from D1 to D4. With dungeon cunning, Rat brings the king to C8.

With a steady hand, Francesc brings the knight to C3, while rat's king advances from C8 to B7. From B1, Francesc's rook forces Rat to defend.

Rat sets the king on A7, watching every square; then without hurry or fear, Francesc places the knight on E4. From the dark, Rat pushes the knight to B8, and right after that francesc's queen takes D8, leaving D4 behind.

Rat answers by moving the king from A7 to A6. A clean strike: Francesc's queen topples the knight on B8.

With dungeon cunning, Rat brings the pawn to E6. From B8 to C7, Francesc's queen swallows Rat's pawn.

Rat's pawn advances from A5 to A4. By taking the pawn on C6, Francesc drives Rat into check.

Rat sets the king on A5, watching every square. Mate. Francesc's queen on B6 leaves Rat with no escape.