Without hurry or fear, our hero places the bishop on G5. From the dark, Slug pushes the pawn to B4; then our hero's bishop takes F4, leaving G5 behind.

Slug answers by moving the knight from B3 to D4. From F4 to D6, our hero's bishop swallows Slug's pawn.

With dungeon cunning, Slug brings the king to D8. With a steady hand, our hero brings the pawn to F3, while slug's knight advances from D4 to B3.

From F3 to E4, our hero's pawn swallows Slug's bishop.

Slug sets the knight on C1, watching every square; then without hurry or fear, our hero places the pawn on H4. From the dark, Slug pushes the knight to B3, and right after that our hero's pawn takes H5, leaving H4 behind.

Slug answers by moving the pawn from C3 to C2; then our hero slides the bishop across the board, from D6 to F4. With dungeon cunning, Slug brings the knight to A5.

With a steady hand, our hero brings the pawn to H6, and slug's knight advances from A5 to B3. our hero advances the pawn from H6 to H7, while slug sets the king on E7, watching every square.

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

From the dark, Slug pushes the pawn to F5. our hero gives check with the queen on G7.

Slug answers by moving the king from E7 to E6. From E5, our hero's queen forces Slug to defend.

With dungeon cunning, Slug brings the king to D7. Check: our hero tightens the net by bringing the queen to C7.

Slug's king advances from D7 to E8. our hero advances the bishop from F4 to D6, and slug sets the knight on D4, watching every square.

Mate. our hero's queen on E7 leaves Slug with no escape.