A clean strike: Ruben V.'s rook topples the bishop on A3.

Giant Rat answers by moving the bishop from E4 to F3. From G2 to F3, Ruben V.'s pawn swallows Giant Rat's bishop.

With dungeon cunning, Giant Rat brings the king to E7. A clean strike: Ruben V.'s pawn topples the pawn on G4.

Ruben V. activates Backstab and silently removes a threat from Giant Rat.

Giant Rat gives check with the knight on D3.

Ruben V. advances the king from E1 to D1; then giant Rat sets the pawn on C3, watching every square. A clean strike: Ruben V.'s rook topples the pawn on C3.

Check from Giant Rat: the knight plants itself on F2.

Ruben V.'s king takes C2, leaving D1 behind; then giant Rat answers by moving the king from E7 to D8. A clean strike: Ruben V.'s rook topples the pawn on E3.

With dungeon cunning, Giant Rat brings the knight to H3. From E3 to H3, Ruben V.'s rook swallows Giant Rat's knight.

Giant Rat's king advances from D8 to E8. From H8, Ruben V.'s rook forces Giant Rat to defend.

Giant Rat sets the king on E7, watching every square. Without hurry or fear, Ruben V. places the pawn on H4; then from the dark, Giant Rat pushes the pawn to C5.

Ruben V.'s pawn takes H5, leaving H4 behind, and right after that giant Rat answers by moving the pawn from C5 to C4. Ruben V. slides the pawn across the board, from H5 to H6.

With dungeon cunning, Giant Rat brings the pawn to D5, while with a steady hand, Ruben V. brings the rook to A8. Giant Rat's king advances from E7 to E6, and ruben V. advances the pawn from H6 to H7.

Giant Rat sets the king on F7, watching every square. Promotion: on H8, Ruben V. turns a pawn into a queen.

From the dark, Giant Rat pushes the king to G6. Check: Ruben V. tightens the net by bringing the queen to G8.

Giant Rat answers by moving the king from G6 to F6. Ruben V. gives check with the pawn on G5.

With dungeon cunning, Giant Rat brings the king to E5, and with a steady hand, Ruben V. brings the pawn to G6. Giant Rat's pawn advances from C4 to C3.

A clean strike: Ruben V.'s king topples the pawn on C3.

Giant Rat sets the pawn on A4, watching every square. Ruben V. gives check with the queen on E8.

From the dark, Giant Rat pushes the king to F5. Ruben V.'s pawn takes G7, leaving G6 behind, and right after that giant Rat answers by moving the king from F5 to F6.

Promotion: on G8, Ruben V. turns a pawn into a queen.

Giant Rat's pawn reaches D4 and threatens Ruben V.'s king.

A clean strike: Ruben V.'s king topples the pawn on D4.

Giant Rat's pawn advances from A4 to A3, and ruben V. advances the king from D4 to D5. Giant Rat sets the pawn on A5, watching every square.

Ruben V. delivers the final mate from E6.