Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Smith-Morra_Gambit_Accepted
Moves: 1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Bc4 e6 6. Nf3 a6 7. O-O b5 8. Bd3
Bb7 9. e5 Nge7 10. Bg5 h6 11. Ne4 hxg5 *
Position (FEN): r2qkb1r/1b1pnpp1/p1n1p3/1p2P1p1/4N3/3B1N2/PP3PPP/R2Q1RK1 w kq - 0 12
White to move.
Themes:  Middlegame Mate in 1, Smothered Mate 
Puzzle rating: 1136
Best move: Nd6#