With a steady hand, Ruben V. brings the pawn to H4; then rat's king advances from E8 to D8. Ruben V. advances the pawn from H4 to H5, and right after that rat sets the pawn on A4, watching every square.

Ruben V. captures the enemy pawn: the pawn leaps from H5 to G6.

From the dark, Rat pushes the knight to B6. Ruben V. gives check with the rook on H8.

Rat answers by moving the king from D8 to D7, and ruben V. slides the pawn across the board, from F2 to F3. A cruel blow: Rat's pawn captures Ruben V.'s pawn on F3.

Ruben V. claims the enemy pawn by landing on F3.

Rat's knight advances from B6 to D5. Ruben V. advances the bishop from F1 to H3.

Ruben V. wraps a piece in Stealth; Rat passes through the square without seeing it.

Rat sets the pawn on E6, watching every square. Ruben V. claims the enemy pawn by landing on A3.

From the dark, Rat pushes the knight to B6. Ruben V.'s pawn takes D4, leaving D2 behind, while rat answers by moving the knight from B6 to D5.

Ruben V. claims the enemy pawn by landing on C5.

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

With dungeon cunning, Rat brings the pawn to C6. With a steady hand, Ruben V. brings the queen to D4, and right after that rat's king advances from D7 to C7.

Check: Ruben V. tightens the net by bringing the queen to E5.

Rat sets the king on B7, watching every square. Ruben V. captures the enemy pawn: the queen leaps from E5 to E6.

From the dark, Rat pushes the king to A7. Ruben V. claims the enemy pawn by landing on C6.

Rat answers by moving the knight from D5 to E3. Ruben V. delivers the final mate from B5.