Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Taimanov_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qd2 Nf6 8.
O-O-O b5 9. f3 Nxd4 10. Bxd4 Bb7 11. g4 b4 12. Na4 Bc6 13. Nb6 Rb8 14. Nc4 Bb5
15. Be5 Qc5 16. Nd6+ Ke7 17. Bxf6+ gxf6 18. Nxb5 axb5 *
Position (FEN): 1r3b1r/3pkp1p/4pp2/1pq5/1p2P1P1/5P2/PPPQ3P/2KR1B1R w - - 0 19
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 417
Best move: Qxd7#