A clean strike: our hero's pawn topples the knight on B3.

Slug sets the bishop on F5, watching every square. From D2 to C3, our hero's pawn swallows Slug's pawn.

From the dark, Slug pushes the bishop to G6; then our hero's bishop takes F4, leaving C1 behind. Slug answers by moving the bishop from G6 to B1.

From F4 to D6, our hero's bishop swallows Slug's pawn.

With dungeon cunning, Slug brings the bishop to F5. With a steady hand, our hero brings the bishop to C7, while slug's bishop advances from F5 to B1.

From C7 to B6, our hero's bishop swallows Slug's pawn.

Slug sets the pawn on F6, watching every square. A clean strike: our hero's bishop topples the pawn on C5.

From the dark, Slug pushes the pawn to F5, and right after that our hero's pawn takes E3, leaving E2 behind. Slug answers by moving the king from E8 to F7; then our hero slides the pawn across the board, from H2 to H4.

With dungeon cunning, Slug brings the king to G6. With a steady hand, our hero brings the bishop to E7. Slug moves the bishop from B1 to A2 and topples our hero's pawn.

our hero advances the pawn from E3 to E4, while slug sets the bishop on B1, watching every square. By taking the pawn on F5, our hero drives Slug into check.

Slug moves the bishop from B1 to F5 and topples our hero's pawn.

our hero's pawn takes C4, leaving C3 behind. Slug answers by moving the bishop from F5 to D3. From C4 to B5, our hero's pawn swallows Slug's pawn.

With dungeon cunning, Slug brings the pawn to G3. With a steady hand, our hero brings the pawn to B6, while slug's bishop advances from D3 to F1.

From E1 to F1, our hero's king swallows Slug's bishop.

Slug sets the king on F5, watching every square; then without hurry or fear, our hero places the pawn on B7. Slug gives check with the pawn on G2.

From F1 to G2, our hero's king swallows Slug's pawn.

Slug answers by moving the king from F5 to G4. Promotion: on B8, our hero turns a pawn into a queen.

With dungeon cunning, Slug brings the king to F5. With a steady hand, our hero brings the queen to B4, and slug's king advances from F5 to E6.

our hero advances the pawn from H4 to H5, while slug sets the king on D7, watching every square. Without hurry or fear, our hero places the pawn on H6.

From the dark, Slug pushes the king to E8; then our hero's pawn takes H7, leaving H6 behind. Slug answers by moving the king from E8 to F7.

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

With dungeon cunning, Slug brings the king to E6. With a steady hand, our hero brings the queen to H5, while slug's king advances from E6 to D7.

our hero advances the queen from B4 to B6, and slug sets the king on C8, watching every square. Check: our hero tightens the net by bringing the queen to C6.

From the dark, Slug pushes the king to B8. our hero gives check with the queen on E8.

Slug answers by moving the king from B8 to A7; then our hero slides the queen across the board, from H5 to H6. With dungeon cunning, Slug brings the king to B7.

With a steady hand, our hero brings the bishop to H4, and slug's king advances from B7 to C7. our hero gives check with the queen on F7.

Slug sets the king on C8, watching every square. Mate. our hero's queen on H8 leaves Slug with no escape.