Without hurry or fear, our hero places the king on F1. From the dark, Pit Spider pushes the pawn to A3, while our hero's pawn takes H3, leaving H2 behind.

Pit Spider answers by moving the bishop from G6 to E4. our hero captures the enemy rook: the pawn leaps from H3 to G4.

With dungeon cunning, Pit Spider brings the bishop to B1. our hero claims the enemy pawn by landing on H5.

Check from Pit Spider: the rook plants itself on F6.

our hero advances the king from F1 to E1; then pit Spider sets the knight on D5, watching every square. our hero claims the enemy pawn by landing on G5.

From the dark, Pit Spider pushes the rook to F8, and our hero's bishop takes C1, leaving G5 behind. Pit Spider answers by moving the pawn from A3 to A2, while our hero slides the bishop across the board, from C1 to B2.

our hero activates Backstab and silently removes a threat from Pit Spider.

With dungeon cunning, Pit Spider brings the pawn to C4; then with a steady hand, our hero brings the knight to F3. Pit Spider's bishop advances from B1 to F5, and right after that our hero advances the knight from F3 to D4.

Pit Spider sets the pawn on C3, watching every square. Without hurry or fear, our hero places the bishop on C1, while from the dark, Pit Spider pushes the bishop to H7.

our hero's king takes D1, leaving E1 behind. Pit Spider's edge falls on F1 and it is mate against our hero.