From C1 to H6, Raúl V.'s bishop swallows Bat's pawn.

Bat captures the rook on A1 and puts Raúl V. in check.

Without hurry or fear, Raúl V. places the king on F2. From the dark, Bat pushes the rook to D1, and right after that raúl V.'s pawn takes G4, leaving G2 behind.

Bat answers by moving the king from E8 to D7; then raúl V. slides the pawn across the board, from G4 to G5. Check from Bat: the rook plants itself on F1.

From F2 to F1, Raúl V.'s king swallows Bat's rook.

Bat's king advances from D7 to E8. Raúl V. advances the pawn from G5 to G6, while bat sets the pawn on B5, watching every square.

Without hurry or fear, Raúl V. places the pawn on G7. From the dark, Bat pushes the king to F7; then raúl V.'s king takes G2, leaving F1 behind.

Bat answers by moving the pawn from B5 to B4, and right after that raúl V. slides the king across the board, from G2 to G3. With dungeon cunning, Bat brings the pawn to B5.

With a steady hand, Raúl V. brings the king to G4, while bat's pawn advances from B4 to B3. From C2 to B3, Raúl V.'s pawn swallows Bat's pawn.

Bat sets the pawn on E3, watching every square; then without hurry or fear, Raúl V. places the king on F5. From the dark, Bat pushes the king to E7.

Promotion: on G8, Raúl V. turns a pawn into a queen.

Bat answers by moving the knight from D5 to C7. From G5, Raúl V.'s bishop forces Bat to defend.

With dungeon cunning, Bat brings the king to D7. From G5 to E3, Raúl V.'s bishop swallows Bat's pawn.

Bat's pawn advances from C5 to C4. A clean strike: Raúl V.'s pawn topples the pawn on C4.

Bat advances to C4 and claims our pawn.

From G8 to C4, Raúl V.'s queen swallows Bat's pawn.

From the dark, Bat pushes the pawn to D5. Check: Raúl V. tightens the net by bringing the queen to A4.

Bat answers by moving the king from D7 to D6, and right after that raúl V. slides the pawn across the board, from B2 to B4. With dungeon cunning, Bat brings the pawn to E4.

With a steady hand, Raúl V. brings the pawn to B5, while bat's knight advances from C7 to E8. Raúl V. advances the pawn from B5 to B6, and bat sets the king on E7, watching every square.

Without hurry or fear, Raúl V. places the pawn on B7. From the dark, Bat pushes the king to D6. Promotion: on B8, Raúl V. turns a pawn into a queen.

Bat answers by moving the king from D6 to E7. Check: Raúl V. tightens the net by bringing the queen to A7.

With dungeon cunning, Bat brings the king to F8. Raúl V. gives check with the queen on C5.

Bat's king advances from F8 to G7. From E7, Raúl V.'s queen forces Bat to defend.

Bat sets the king on G8, watching every square. Raúl V. delivers the final mate from E8.