Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Smith-Morra_Gambit
Moves: 1. e4 c5 2. d4 cxd4 3. c3 Nc6 4. cxd4 e6 5. Nf3 g6 6. Bb5 Qa5+ 7. Nc3 Nge7 8.
Bd2 a6 9. Bxc6 Nxc6 10. Nd5 Qd8 11. Bg5 Ne7 *
Position (FEN): r1bqkb1r/1p1pnp1p/p3p1p1/3N2B1/3PP3/5N2/PP3PPP/R2QK2R w KQkq - 4 12
White to move.
Themes:  Opening Mate in 1, Smothered Mate 
Puzzle rating: 1060
Best move: Nf6#