Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Bc4 Nc6 3. c3 e5 4. Qf3 d6 *
Position (FEN): r1bqkbnr/pp3ppp/2np4/2p1p3/2B1P3/2P2Q2/PP1P1PPP/RNB1K1NR w KQkq - 0 5
White to move.
Themes: Attacking f2 or f7 Opening Mate in 1 
Puzzle rating: 873
Best move: Qxf7#