Benjamín A.'s knight takes E2, leaving G1 behind. A cruel blow: Tunnel Troll's rook captures Benjamín A.'s pawn on C2.

Benjamín A. slides the rook across the board, from A1 to D1. Check from Tunnel Troll: the queen plants itself on B4.

With a steady hand, Benjamín A. brings the king to F2; then tunnel Troll's knight advances from C6 to D4. Benjamín A. advances the bishop from F1 to G2, and right after that tunnel Troll sets the pawn on E4, watching every square.

Benjamín A. captures the enemy knight: the rook leaps from D1 to D4.

A cruel blow: Tunnel Troll's knight captures Benjamín A.'s rook on D4.

Benjamín A. claims the enemy pawn by landing on E4.

Tunnel Troll answers by moving the bishop from C7 to B6. Benjamín A. captures the enemy rook: the bishop leaps from E4 to C2.

Tunnel Troll's knight reaches F5 and threatens Benjamín A.'s king.

With a steady hand, Benjamín A. brings the king to F1. Check from Tunnel Troll: the knight plants itself on E3.

Benjamín A. advances the king from F1 to F2; then tunnel Troll sets the pawn on A4, watching every square. Without hurry or fear, Benjamín A. places the rook on E1.

From the dark, Tunnel Troll pushes the pawn to F5, and benjamín A.'s rook takes A1, leaving E1 behind. Check from Tunnel Troll: the knight plants itself on G2.

Benjamín A. slides the king across the board, from F2 to G3. Tunnel Troll gives check with the queen on A3.

With a steady hand, Benjamín A. brings the knight to C3. Tunnel Troll's edge falls on D6 and it is mate against Benjamín A.