Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Other_variations
Moves: 1. d4 d5 2. e3 Nc6 3. c4 dxc4 4. Bxc4 e5 5. Qf3 exd4 *
Position (FEN): r1bqkbnr/ppp2ppp/2n5/8/2Bp4/4PQ2/PP3PPP/RNB1K1NR w KQkq - 0 6
White to move.
Themes: Attacking f2 or f7 Opening Mate in 1 
Puzzle rating: 1255
Best move: Qxf7#