Ruben V. advances the pawn from G2 to G3, and rat sets the pawn on E6, watching every square. Without hurry or fear, Ruben V. places the pawn on B3.

From the dark, Rat pushes the pawn to C4. From C1 to A3, Ruben V.'s bishop swallows Rat's pawn.

Rat answers by moving the knight from D7 to B6; then ruben V. slides the knight across the board, from B1 to C3. In that instant, Backstab: one of Rat's pieces vanishes without a trace.

With dungeon cunning, Rat brings the king to D8, and with a steady hand, Ruben V. brings the pawn to H4. Rat's knight advances from B6 to D5, while ruben V. advances the knight from C3 to E4.

Rat sets the knight on B6, watching every square. Without hurry or fear, Ruben V. places the pawn on H5; then from the dark, Rat pushes the knight to D5.

Ruben V.'s pawn takes H6, leaving H5 behind, and right after that rat answers by moving the king from D8 to E8. Ruben V. slides the pawn across the board, from H6 to H7.

With dungeon cunning, Rat brings the king to D8. Promotion: on H8, Ruben V. turns a pawn into a queen.

Rat's king advances from D8 to D7, and ruben V. advances the rook from H1 to H6. Rat sets the pawn on A4, watching every square.

A clean strike: Ruben V.'s pawn topples the pawn on A4.

From the dark, Rat pushes the pawn to G5. Ruben V. gives check with the rook on H7.

Rat answers by moving the knight from D5 to E7. A clean strike: Ruben V.'s knight topples the pawn on G5.

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

With dungeon cunning, Rat brings the pawn to C5. From A3 to C5, Ruben V.'s bishop swallows Rat's pawn.

Rat's pawn advances from C7 to C6, and right after that ruben V. advances the rook from A1 to B1. Rat sets the king on C7, watching every square; then without hurry or fear, Ruben V. places the rook on B8.

From the dark, Rat pushes the king to D7, and right after that ruben V.'s rook takes E8, leaving B8 behind. Rat answers by moving the king from D7 to C7.

And it is checkmate: Ruben V. ends the game on E7.