By taking the rook on A4, Francesc drives Bat into check.

Bat sets the king on F8, watching every square, and right after that without hurry or fear, Francesc places the bishop on A3. From the dark, Bat pushes the king to G8; then francesc's queen takes D7, leaving A4 behind.

Bat answers by moving the pawn from B6 to B5. From D7 to D6, Francesc's queen swallows Bat's pawn.

With dungeon cunning, Bat brings the knight to F4. A clean strike: Francesc's bishop topples the pawn on C5.

Bat's king advances from G8 to H7. Francesc advances the pawn from G2 to G3, and bat sets the pawn on B6, watching every square.

A clean strike: Francesc's pawn topples the knight on F4.

From the dark, Bat pushes the king to H8. From C5 to B6, Francesc's bishop swallows Bat's pawn.

Bat answers by moving the pawn from E4 to E3. A clean strike: Francesc's bishop topples the pawn on E3.

Bat advances to F4 and claims our pawn.

From E3 to F4, Francesc's bishop swallows Bat's pawn.

Bat's pawn advances from B5 to B4. By taking the pawn on H6, Francesc drives Bat into check.

Bat sets the king on G8, watching every square, and right after that without hurry or fear, Francesc places the bishop on E5. From the dark, Bat pushes the pawn to B3.

And it is checkmate: Francesc ends the game on G7.