Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Lasker-Pelikan_Variation
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8.
exd5 Ne7 9. c4 Bf5 10. Qa4 Bd7 *
Position (FEN): r2qkb1r/pp1bnppp/3p4/1N1Pp3/Q1P5/8/PP3PPP/R1B1KB1R w KQkq - 3 11
White to move.
Themes:  Opening Mate in 1, Smothered Mate 
Puzzle rating: 1160
Best move: Nxd6#