Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Smith-Morra_Gambit
Moves: 1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 g6 5. Nf3 Bg7 6. Bc4 e6 7. Nb5 Bf8 8.
Bf4 Na6 9. O-O f6 10. Bd6 Ne7 11. Bc7 Nxc7 *
Position (FEN): r1bqkb1r/ppnpn2p/4ppp1/1N6/2B1P3/5N2/PP3PPP/R2Q1RK1 w kq - 0 12
White to move.
Themes:  Opening Mate in 1 
Puzzle rating: 1454
Best move: Nd6#