Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Classical_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bb5 Bd7 7. Bg5 Qa5 8.
Nb3 Qb6 9. O-O a6 10. Be2 Rd8 11. Bxf6 exf6 12. Nd5 Qa7 13. Nc7+ Ke7 14. Nd2
Ne5 15. Kh1 Bc6 16. f4 Nd7 17. Nc4 b5 *
Position (FEN): 3r1b1r/q1Nnkppp/p1bp1p2/1p6/2N1PP2/8/PPP1B1PP/R2Q1R1K w - - 0 18
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1471
Best move: Qxd6#