A clean strike: Alfonso M.'s pawn topples the pawn on H3.

Alpha Bat sets the knight on E5, watching every square, and right after that without hurry or fear, Alfonso M. places the rook on A4. From the dark, Alpha Bat pushes the bishop to D5.

A clean strike: Alfonso M.'s rook topples the pawn on D4.

Check from Alpha Bat: the knight plants itself on F3.

Alfonso M. slides the king across the board, from E1 to F2. Alpha Bat moves the knight from F3 to D4 and topples Alfonso M.'s rook.

With a steady hand, Alfonso M. brings the bishop to B2. Alpha Bat's pawn reaches E3 and threatens Alfonso M.'s king.

From D2 to E3, Alfonso M.'s pawn swallows Alpha Bat's pawn.

Alpha Bat sets the knight on C2, watching every square. A clean strike: Alfonso M.'s pawn topples the pawn on F4.

Alpha Bat advances to F4 and claims our pawn.

Alfonso M.'s king takes G1, leaving F2 behind. Alpha Bat's bishop reaches E3 and threatens Alfonso M.'s king.

Alfonso M. slides the king across the board, from G1 to H2, while with dungeon cunning, Alpha Bat brings the king to F7. With a steady hand, Alfonso M. brings the bishop to C3.

Alfonso M. activates Backstab and silently removes a threat from Alpha Bat.

Alpha Bat's king advances from F7 to G8, while alfonso M. advances the bishop from C3 to B2. Alpha Bat's rook reaches F2 and threatens Alfonso M.'s king.

Without hurry or fear, Alfonso M. places the king on G1. Check from Alpha Bat: the rook plants itself on F3.

Alfonso M.'s king takes G2, leaving G1 behind. Alpha Bat gives check with the knight on E1.

Alfonso M. slides the king across the board, from G2 to H2. With dungeon cunning, Alpha Bat brings the bishop to E4, while with a steady hand, Alfonso M. brings the bishop to C3.

Check from Alpha Bat: the rook plants itself on F2.

Alfonso M. advances the king from H2 to G1; then alpha Bat sets the bishop on H6, watching every square. A clean strike: Alfonso M.'s king topples the rook on F2.

From the dark, Alpha Bat pushes the king to F8. From F2 to E1, Alfonso M.'s king swallows Alpha Bat's knight.

Alpha Bat answers by moving the bishop from E4 to F3, while alfonso M. slides the king across the board, from E1 to F2. With dungeon cunning, Alpha Bat brings the pawn to E5.

From F2 to F3, Alfonso M.'s king swallows Alpha Bat's bishop.

Alpha Bat's bishop advances from H6 to F4, while alfonso M. advances the king from F3 to G4. Alpha Bat sets the bishop on G3, watching every square.

Without hurry or fear, Alfonso M. places the king on F5. Alfonso M. activates Backstab and silently removes a threat from Alpha Bat.

From the dark, Alpha Bat pushes the pawn to D5, and right after that alfonso M.'s king takes E6, leaving F5 behind. Alpha Bat answers by moving the bishop from G3 to B8.

From E6 to D5, Alfonso M.'s king swallows Alpha Bat's pawn.

With dungeon cunning, Alpha Bat brings the king to G8. With a steady hand, Alfonso M. brings the bishop to E1, and alpha Bat's king advances from G8 to H7.

From E1 to H4, Alfonso M.'s bishop swallows Alpha Bat's pawn.

Alpha Bat sets the king on G7, watching every square, and right after that without hurry or fear, Alfonso M. places the king on E4. From the dark, Alpha Bat pushes the bishop to C7; then alfonso M.'s king takes F5, leaving E4 behind.

Alpha Bat answers by moving the king from G7 to F7. Alfonso M. slides the bishop across the board, from H4 to G5, and with dungeon cunning, Alpha Bat brings the bishop to D6.

With a steady hand, Alfonso M. brings the pawn to H4, while alpha Bat's bishop advances from D6 to B8. Alfonso M. advances the pawn from H4 to H5.

Alpha Bat sets the bishop on A7, watching every square; then without hurry or fear, Alfonso M. places the pawn on H6. From the dark, Alpha Bat pushes the bishop to C5, and right after that alfonso M.'s bishop takes D2, leaving G5 behind.

Alpha Bat answers by moving the bishop from C5 to D4. Alfonso M. slides the bishop across the board, from D2 to C1, while with dungeon cunning, Alpha Bat brings the bishop to C3.

With a steady hand, Alfonso M. brings the bishop to E3, and alpha Bat's bishop advances from C3 to A5. Alfonso M. advances the bishop from E3 to D4.

Alpha Bat sets the bishop on D2, watching every square, and right after that without hurry or fear, Alfonso M. places the pawn on H7. From the dark, Alpha Bat pushes the bishop to H6.

Promotion: on H8, Alfonso M. turns a pawn into a queen.

Alpha Bat answers by moving the bishop from H6 to D2. Alfonso M. gives check with the queen on H7.

With dungeon cunning, Alpha Bat brings the king to E8. With a steady hand, Alfonso M. brings the king to E6, while alpha Bat's bishop advances from D2 to E1.

Alfonso M. delivers the final mate from E7.