From C1 to F4, our hero's bishop swallows Alpha Bat's pawn.

Alpha Bat's pawn advances from E4 to E3. A clean strike: our hero's bishop topples the pawn on H3.

Alpha Bat advances to H3 and claims our bishop.

Without hurry or fear, our hero places the rook on G1. From the dark, Alpha Bat pushes the bishop to G4.

A clean strike: our hero's rook topples the bishop on G4.

Alpha Bat answers by moving the bishop from E7 to F8. From G4 to H4, our hero's rook swallows Alpha Bat's pawn.

With dungeon cunning, Alpha Bat brings the knight to B5. With a steady hand, our hero brings the rook to H5. Check from Alpha Bat: the bishop plants itself on B4.

our hero advances the king from E1 to F1, and alpha Bat sets the king on F7, watching every square. A clean strike: our hero's rook topples the knight on B5.

Alpha Bat's pawn reaches E2 and threatens our hero's king.

our hero's king takes G2, leaving F1 behind. Alpha Bat answers by moving the pawn from D7 to D6.

A clean strike: our hero's rook topples the bishop on B4.

Alpha Bat's pawn crowns on E1 and a hostile queen is born.

With a steady hand, our hero brings the rook to C4. Alpha Bat's queen reaches H1 and threatens our hero's king.

A clean strike: our hero's king topples the queen on H1.

Alpha Bat sets the king on F6, watching every square. From C4 to D4, our hero's rook swallows Alpha Bat's pawn.

From the dark, Alpha Bat pushes the king to G6. By taking the pawn on D6, our hero drives Alpha Bat into check.

Alpha Bat answers by moving the king from G6 to H7. From D6 to D3, our hero's rook swallows Alpha Bat's pawn.

With dungeon cunning, Alpha Bat brings the king to G7. With a steady hand, our hero brings the pawn to H4, while alpha Bat's king advances from G7 to H7.

Check: our hero tightens the net by bringing the rook to D7.

Alpha Bat sets the king on H8, watching every square; then without hurry or fear, our hero places the pawn on H5. From the dark, Alpha Bat pushes the king to G8.

From D8, our hero's rook forces Alpha Bat to defend.

Alpha Bat answers by moving the king from G8 to G7. Check: our hero tightens the net by bringing the bishop to E5.

With dungeon cunning, Alpha Bat brings the king to H7. With a steady hand, our hero brings the rook to E8, and alpha Bat's king advances from H7 to H6.

From H8, our hero's rook forces Alpha Bat to defend.

Alpha Bat sets the king on G5, watching every square, and right after that without hurry or fear, our hero places the pawn on H6. From the dark, Alpha Bat pushes the king to H4; then our hero's pawn takes H7, leaving H6 behind.

Alpha Bat answers by moving the king from H4 to G4. From G8, our hero's rook forces Alpha Bat to defend.

With dungeon cunning, Alpha Bat brings the king to F3. Promotion: on H8, our hero turns a pawn into a queen.

Alpha Bat's king advances from F3 to E4. our hero advances the queen from H8 to H5, and alpha Bat sets the king on E3, watching every square.

From H3, our hero's queen forces Alpha Bat to defend.

From the dark, Alpha Bat pushes the king to E2, and right after that our hero's rook takes D8, leaving G8 behind. Alpha Bat answers by moving the king from E2 to E1.

our hero gives check with the bishop on C3.

With dungeon cunning, Alpha Bat brings the king to E2. From E8, our hero's rook forces Alpha Bat to defend.

Alpha Bat's king advances from E2 to D1. Check: our hero tightens the net by bringing the queen to F1.

Alpha Bat sets the king on C2, watching every square, and right after that without hurry or fear, our hero places the rook on C8. From the dark, Alpha Bat pushes the king to B3.

From B8, our hero's rook forces Alpha Bat to defend.

Alpha Bat answers by moving the king from B3 to A3. our hero delivers the final mate from A1.