With a steady hand, our hero brings the rook to D1, and bat's pawn advances from H6 to H5. A clean strike: our hero's rook topples the knight on D5.

Bat sets the rook on B4, watching every square, and right after that without hurry or fear, our hero places the pawn on B3. From the dark, Bat pushes the rook to D4; then our hero's pawn takes A4, leaving A2 behind.

Bat answers by moving the pawn from H5 to H4. From D5 to D6, our hero's rook swallows Bat's pawn.

With dungeon cunning, Bat brings the rook to D2. Check: our hero tightens the net by bringing the rook to E6.

Bat's king advances from E8 to F7. From E6 to B6, our hero's rook swallows Bat's pawn.

Bat sets the rook on D8, watching every square. By taking the pawn on B7, our hero drives Bat into check.

From the dark, Bat pushes the king to E8, and right after that our hero's rook takes H7, leaving B7 behind. Bat answers by moving the rook from D8 to D4.

A clean strike: our hero's rook topples the pawn on H4.

With dungeon cunning, Bat brings the king to D7. From H7, our hero's rook forces Bat to defend.

Bat's king advances from D7 to C6. Check: our hero tightens the net by bringing the rook to H6.

Bat sets the king on D5, watching every square, and right after that without hurry or fear, our hero places the king on E2. From the dark, Bat pushes the rook to D3; then our hero's pawn takes A5, leaving A4 behind.

Bat answers by moving the rook from D3 to C3, and right after that our hero slides the pawn across the board, from A5 to A6. Bat's rook reaches C2 and threatens our hero's king.

With a steady hand, our hero brings the king to E3, while bat's rook advances from C2 to B2. our hero advances the pawn from A6 to A7, and bat sets the rook on G2, watching every square.

our hero delivers the final mate from A8.