A clean strike: our hero's pawn topples the pawn on E3.

Spider's king advances from E8 to D8. our hero advances the pawn from B2 to B4, and spider sets the king on C8, watching every square.

Without hurry or fear, our hero places the rook on B1. From the dark, Spider pushes the pawn to E6, and right after that our hero's bishop takes A3, leaving C1 behind.

Spider answers by moving the knight from F6 to G8; then our hero slides the knight across the board, from G1 to H3. With dungeon cunning, Spider brings the knight to F6.

With a steady hand, our hero brings the knight to G5, and spider's king advances from C8 to D7. our hero advances the pawn from B4 to B5, while spider sets the pawn on E4, watching every square.

Without hurry or fear, our hero places the pawn on B6. From the dark, Spider pushes the knight to H6; then our hero's pawn takes B7, leaving B6 behind.

Spider answers by moving the knight from H6 to F7. Promotion: on B8, our hero turns a pawn into a queen.

With dungeon cunning, Spider brings the knight to E5. With a steady hand, our hero brings the queen to A7, while spider's king advances from D7 to E8.

From A7 to C7, our hero's queen swallows Spider's pawn.

Spider sets the knight on G4, watching every square. A clean strike: our hero's queen topples the pawn on C3.

From the dark, Spider pushes the knight to D5, and right after that our hero's queen takes G7, leaving C3 behind. Spider answers by moving the knight from D5 to F6.

Mate. our hero's rook on B8 leaves Spider with no escape.