Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Nyezhmetdinov-Rossolimo_Attack
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bb5 e5 4. O-O Bd6 5. c3 a6 6. Bxc6 bxc6 7. d4 cxd4 8.
cxd4 exd4 9. Qxd4 Bf8 10. Nc3 Bb7 11. Bg5 Ne7 12. Nd2 h6 13. Bh4 c5 14. Nc4
cxd4 *
Position (FEN): r2qkb1r/1b1pnpp1/p6p/8/2NpP2B/2N5/PP3PPP/R4RK1 w kq - 0 15
White to move.
Themes:  Middlegame Mate in 1, Smothered Mate 
Puzzle rating: 761
Best move: Nd6#