Check: our hero tightens the net by bringing the rook to A8.

Slug's king advances from E8 to F7. our hero advances the rook from A8 to D8; then slug sets the pawn on C2, watching every square.

Without hurry or fear, our hero places the rook on C8. Slug gives check with the bishop on B4.

our hero's king takes F2, leaving E1 behind. Slug answers by moving the knight from G3 to H5, while our hero slides the rook across the board, from C8 to B8.

On C1, Slug promotes and gains a reinforcing queen.

our hero captures the enemy bishop: the rook leaps from B8 to B4.

Slug gives check with the queen on C5.

our hero advances the king from F2 to E1. After toppling the rook on B4, Slug threatens our hero's king.

Without hurry or fear, our hero places the king on D1. Check from Slug: the queen plants itself on D4.

our hero's king takes C2, leaving D1 behind. Slug gives check with the queen on C5.

our hero slides the king across the board, from C2 to B3. Slug's queen reaches B6 and threatens our hero's king.

With a steady hand, our hero brings the king to C4, and right after that slug's pawn advances from D7 to D6. our hero advances the king from C4 to C3; then slug sets the king on F6, watching every square.

Without hurry or fear, our hero places the king on C4. From the dark, Slug pushes the king to G5, and our hero's king takes D3, leaving C4 behind.

Check from Slug: the queen plants itself on A6.

our hero slides the king across the board, from D3 to E4, and right after that with dungeon cunning, Slug brings the queen to A3. With a steady hand, our hero brings the pawn to E3.

Slug's edge falls on F6 and it is mate against our hero.