Alberto C. captures the enemy queen: the pawn leaps from F2 to E3.

Thanks to Stealth, Alberto C. fools Moss Bear on the board.

Moss Bear gives check with the pawn on F2.

Without hurry or fear, Alberto C. places the king on D2. On G1, Moss Bear promotes and gains a reinforcing rook.

Alberto C. captures the enemy rook: the rook leaps from H1 to G1.

Moss Bear answers by moving the bishop from F7 to G8. Alberto C. claims the enemy knight by landing on G4.

With dungeon cunning, Moss Bear brings the bishop to H7; then with a steady hand, Alberto C. brings the rook to H4. Moss Bear's rook advances from A6 to A5.

Alberto C. claims the enemy bishop by landing on H6.

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

Check from Moss Bear: the rook plants itself on D5.

Without hurry or fear, Alberto C. places the king on E1. From the dark, Moss Bear pushes the rook to G5, and alberto C.'s king takes D2, leaving E1 behind.

Moss Bear's rook reaches D5 and threatens Alberto C.'s king.

Alberto C. captures the enemy rook: the king leaps from D2 to C3.

With dungeon cunning, Moss Bear brings the king to D8. With a steady hand, Alberto C. brings the queen to E1; then moss Bear's pawn advances from A7 to A6.

Check: Alberto C. tightens the net by bringing the queen to H4.

Moss Bear sets the king on C8, watching every square. Alberto C. claims the enemy pawn by landing on F4.

From the dark, Moss Bear pushes the rook to B5, while alberto C.'s queen takes F3, leaving F4 behind. Moss Bear answers by moving the king from C8 to D7.

Check: Alberto C. tightens the net by bringing the rook to H7.

With dungeon cunning, Moss Bear brings the king to E8. Alberto C. gives check with the queen on F7.

Moss Bear's king advances from E8 to D8. Mate. Alberto C.'s queen on D7 leaves Moss Bear with no escape.