Alberto C. claims the enemy pawn by landing on A4.

Bat sets the pawn on D4, watching every square. Alberto C. captures the enemy pawn: the rook leaps from A4 to A7.

From the dark, Bat pushes the pawn to B5. Alberto C. claims the enemy knight by landing on B7.

Bat answers by moving the pawn from E4 to E3. Alberto C. captures the enemy pawn: the pawn leaps from D2 to E3.

With dungeon cunning, Bat brings the pawn to C4. With a steady hand, Alberto C. brings the pawn to E4, and right after that bat's rook advances from H6 to G6.

Alberto C. captures the enemy pawn: the rook leaps from B7 to B5.

Bat sets the rook on G8, watching every square, while without hurry or fear, Alberto C. places the rook on D5. From the dark, Bat pushes the rook to G4, and alberto C.'s pawn takes F3, leaving F2 behind.

Bat answers by moving the pawn from C4 to C3. Alberto C. claims the enemy pawn by landing on D6.

With dungeon cunning, Bat brings the rook to G3. Alberto C. captures the enemy rook: the pawn leaps from H2 to G3.

Bat's king advances from E8 to F8. Alberto C. advances the rook from H1 to H7, and right after that bat sets the king on G8, watching every square.

Without hurry or fear, Alberto C. places the rook on A7. From the dark, Bat pushes the pawn to D3. Mate. Alberto C.'s rook on D8 leaves Bat with no escape.