Alberto C. advances the bishop from C1 to B2, while alpha Bat sets the king on F8, watching every square. From B2 to D4, Alberto C.'s bishop swallows Alpha Bat's pawn.

From the dark, Alpha Bat pushes the bishop to G8. A clean strike: Alberto C.'s knight topples the pawn on H3.

Alpha Bat answers by moving the pawn from F4 to F3, and right after that alberto C. slides the rook across the board, from A1 to C1. With dungeon cunning, Alpha Bat brings the bishop to E6.

With a steady hand, Alberto C. brings the pawn to A4, while alpha Bat's rook advances from F5 to D5. Alberto C. advances the bishop from D4 to E3, and alpha Bat sets the rook on H5, watching every square.

Without hurry or fear, Alberto C. places the knight on F4. Alpha Bat advances to F4 and claims our knight.

From E3 to F4, Alberto C.'s bishop swallows Alpha Bat's bishop.

Alpha Bat answers by moving the knight from D7 to C5; then alberto C. slides the pawn across the board, from A4 to A5. With dungeon cunning, Alpha Bat brings the king to G8.

Check: Alberto C. tightens the net by bringing the rook to G1.

Alpha Bat's king advances from G8 to F7. Alberto C. advances the king from E1 to D1, while alpha Bat sets the pawn on F2, watching every square.

Without hurry or fear, Alberto C. places the rook on F1. Checkmate: Alpha Bat finishes Alberto C. on G4.