From B1 to A3, Ruben V.'s knight swallows Giant Rat's bishop.

Giant Rat's bishop advances from E4 to H7. A clean strike: Ruben V.'s queen topples the pawn on D6.

Giant Rat sets the king on F7, watching every square, and right after that without hurry or fear, Ruben V. places the rook on C1. From the dark, Giant Rat pushes the pawn to F3.

A clean strike: Ruben V.'s pawn topples the pawn on F3.

In that instant, Backstab: one of Giant Rat's pieces vanishes without a trace.

Giant Rat answers by moving the knight from E5 to G6. From D7, Ruben V.'s queen forces Giant Rat to defend.

With dungeon cunning, Giant Rat brings the king to F6. A clean strike: Ruben V.'s queen topples the bishop on H7.

Giant Rat's king advances from F6 to G5. From A3 to C4, Ruben V.'s knight swallows Giant Rat's pawn.

Giant Rat sets the knight on F4, watching every square. Without hurry or fear, Ruben V. places the knight on E5. Giant Rat gives check with the knight on G2.

From F1 to G2, Ruben V.'s bishop swallows Giant Rat's knight.

Giant Rat answers by moving the king from G5 to F4, while ruben V. slides the queen across the board, from H7 to H4. With dungeon cunning, Giant Rat brings the king to E3.

From H4 to G4, Ruben V.'s queen swallows Giant Rat's pawn.

Giant Rat's pawn advances from A5 to A4, while ruben V. advances the pawn from F3 to F4. Giant Rat sets the pawn on A3, watching every square.

Without hurry or fear, Ruben V. places the knight on E2; then from the dark, Giant Rat pushes the pawn to A2. Mate. Ruben V.'s rook on C3 leaves Giant Rat with no escape.