A clean strike: Víctor Martínez C.'s pawn topples the bishop on C3.

Slug's knight advances from F6 to H5. From C2 to B3, Víctor Martínez C.'s pawn swallows Slug's pawn.

Slug sets the king on D7, watching every square; then without hurry or fear, Víctor Martínez C. places the pawn on F3. From the dark, Slug pushes the pawn to G3.

From H2 to G3, Víctor Martínez C.'s pawn swallows Slug's pawn.

Slug answers by moving the pawn from D6 to D5; then víctor Martínez C. slides the pawn across the board, from G3 to G4. With dungeon cunning, Slug brings the knight to F6.

With a steady hand, Víctor Martínez C. brings the pawn to C4. Slug moves the pawn from B5 to C4 and topples Víctor Martínez C.'s pawn.

A clean strike: Víctor Martínez C.'s pawn topples the pawn on C4.

Slug sets the pawn on B5, watching every square. From C4 to B5, Víctor Martínez C.'s pawn swallows Slug's pawn.

From the dark, Slug pushes the king to E6; then víctor Martínez C.'s pawn takes B6, leaving B5 behind. Slug answers by moving the pawn from D5 to D4, and right after that víctor Martínez C. slides the pawn across the board, from B6 to B7.

With dungeon cunning, Slug brings the pawn to E3. Promotion: on B8, Víctor Martínez C. turns a pawn into a queen.

Slug's pawn advances from D4 to D3. From E2 to D3, Víctor Martínez C.'s pawn swallows Slug's pawn.

Slug sets the knight on D5, watching every square. Check: Víctor Martínez C. tightens the net by bringing the queen to E8.

From the dark, Slug pushes the king to F6. Víctor Martínez C. gives check with the queen on C6.

Slug answers by moving the king from F6 to G5. By taking the knight on D5, Víctor Martínez C. drives Slug into check.

With dungeon cunning, Slug brings the king to H6. From D5 to C5, Víctor Martínez C.'s queen swallows Slug's pawn.

Slug's king advances from H6 to H7. A clean strike: Víctor Martínez C.'s queen topples the pawn on E3.

Slug sets the king on G6, watching every square, and right after that without hurry or fear, Víctor Martínez C. places the pawn on A4. From the dark, Slug pushes the king to H7; then víctor Martínez C.'s pawn takes A5, leaving A4 behind.

Slug answers by moving the pawn from F7 to F6, and right after that víctor Martínez C. slides the pawn across the board, from A5 to A6. With dungeon cunning, Slug brings the king to G7.

With a steady hand, Víctor Martínez C. brings the pawn to A7, while slug's king advances from G7 to H8. Promotion: on A8, Víctor Martínez C. turns a pawn into a queen.

Slug sets the king on G7, watching every square; then without hurry or fear, Víctor Martínez C. places the queen on E6. From the dark, Slug pushes the king to G6.

Mate. Víctor Martínez C.'s queen on G8 leaves Slug with no escape.