our hero's pawn takes H4, leaving H2 behind. Slug answers by moving the pawn from B3 to B2; then our hero slides the pawn across the board, from H4 to H5.

With dungeon cunning, Slug brings the king to D8. With a steady hand, our hero brings the pawn to H6. Slug's pawn crowns on B1 and a hostile queen is born.

our hero advances the king from E1 to E2, while slug sets the pawn on C2, watching every square. Without hurry or fear, our hero places the pawn on H7.

Slug's pawn crowns on C1 and a hostile queen is born.

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

Slug answers by moving the king from D8 to E7, and right after that our hero slides the queen across the board, from H8 to C8. Mate. Slug closes the net and our hero falls on B2.