A clean strike: Alfonso M.'s pawn topples the knight on C3.

From the dark, Pit Spider pushes the rook to E4. From C3 to B4, Alfonso M.'s pawn swallows Pit Spider's pawn.

Pit Spider moves the rook from G4 to G1 and topples Alfonso M.'s knight.

A clean strike: Alfonso M.'s rook topples the rook on G1.

With dungeon cunning, Pit Spider brings the rook to E6. From B4 to C5, Alfonso M.'s pawn swallows Pit Spider's pawn.

Pit Spider's king advances from E8 to D8. Alfonso M. advances the knight from B1 to C3. Pit Spider captures the pawn on E2 and puts Alfonso M. in check.

From E1 to E2, Alfonso M.'s king swallows Pit Spider's rook.

From the dark, Pit Spider pushes the king to E8. A clean strike: Alfonso M.'s knight topples the pawn on A4.

Pit Spider advances to C2 and claims our pawn.

From D1 to C2, Alfonso M.'s queen swallows Pit Spider's bishop.

With dungeon cunning, Pit Spider brings the pawn to B6. A clean strike: Alfonso M.'s pawn topples the pawn on B6.

Pit Spider's pawn advances from H5 to H4. From B6 to C7, Alfonso M.'s pawn swallows Pit Spider's pawn.

Pit Spider sets the king on F7, watching every square. Promotion: on C8, Alfonso M. turns a pawn into a queen.

From the dark, Pit Spider pushes the pawn to D5. Alfonso M. gives check with the queen on F5.

Pit Spider answers by moving the king from F7 to G7. By taking the pawn on G5, Alfonso M. drives Pit Spider into check.

With dungeon cunning, Pit Spider brings the king to F8. From G5 to H4, Alfonso M.'s queen swallows Pit Spider's pawn.

Pit Spider's pawn advances from D5 to D4. A clean strike: Alfonso M.'s queen topples the pawn on D4.

Pit Spider sets the king on E7, watching every square. From E4, Alfonso M.'s queen forces Pit Spider to defend.

From the dark, Pit Spider pushes the king to F7. Check: Alfonso M. tightens the net by bringing the queen to D5.

Pit Spider answers by moving the king from F7 to F6. And it is checkmate: Alfonso M. ends the game on E6.