A clean strike: our hero's bishop topples the pawn on H6.

Bat sets the knight on C7, watching every square, and right after that without hurry or fear, our hero places the pawn on H4. From the dark, Bat pushes the rook to A6; then our hero's pawn takes H5, leaving H4 behind.

Bat answers by moving the rook from A6 to A4, and right after that our hero slides the bishop across the board, from H6 to C1. With dungeon cunning, Bat brings the pawn to D5.

With a steady hand, our hero brings the pawn to H6, while bat's pawn advances from D5 to D4. our hero advances the pawn from H6 to H7, and bat sets the king on E7, watching every square.

Promotion: on H8, our hero turns a pawn into a queen.

From the dark, Bat pushes the king to F7. From H8 to E5, our hero's queen swallows Bat's pawn.

Bat answers by moving the pawn from B6 to B5. By taking the knight on C7, our hero drives Bat into check.

With dungeon cunning, Bat brings the king to E8. With a steady hand, our hero brings the bishop to G5, and bat's king advances from E8 to F8.

Check: our hero tightens the net by bringing the queen to D8.

Bat sets the king on G7, watching every square. our hero gives check with the bishop on F6.

From the dark, Bat pushes the king to H7. From H8, our hero's queen forces Bat to defend.

Bat answers by moving the king from H7 to G6. Check: our hero tightens the net by bringing the queen to G7.

With dungeon cunning, Bat brings the king to H5. And it is checkmate: our hero ends the game on G5.