Chess puzzle (Checkmate)
Opening: Nimzowitsch_Defense, Nimzowitsch_Defense_Pseudo-Spanish_Variation
Moves: 1. e4 Nc6 2. Bb5 Ne5 3. Nf3 Nxf3+ 4. Qxf3 c6 5. Ba4 b5 6. Bb3 Ba6 *
Position (FEN): r2qkbnr/p2ppppp/b1p5/1p6/4P3/1B3Q2/PPPP1PPP/RNB1K2R w KQkq - 2 7
White to move.
Themes: Attacking f2 or f7 Opening Mate in 1 
Puzzle rating: 498
Best move: Qxf7#