Chess puzzle (Checkmate)
Opening: Modern_Defense, Modern_Defense_Other_variations
Moves: 1. e4 g6 2. Nf3 Bg7 3. Bc4 d6 4. Ng5 Nh6 5. h3 Bd7 6. Qf3 O-O 7. d3 Kh8 8. Bxf7
c6 9. Bd2 Bxb2 10. Bc3+ Bxc3+ 11. Nxc3 e6 12. h4 Qa5 *
Position (FEN): rn3r1k/pp1b1B1p/2ppp1pn/q5N1/4P2P/2NP1Q2/P1P2PP1/R3K2R w KQ - 1 13
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 796
Best move: Qf6#