Vienna Game Vienna Gambit Opera Mate Puzzle (Rated 1288): Mate in 1 — Opera Mate Pattern
This puzzle is a classic mate in 1 example from a sharp middlegame, where White’s pieces are already aimed at the black king. The key idea is an opera mate style finish: a rook delivers the final blow while the queen and bishop restrict escape squares. The position also shows how a pin can freeze defensive pieces and make the king vulnerable. Even with material down, active piece placement and king safety can decide the game immediately.