Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_McDonnell_Attack
Moves: 1. e4 c5 2. f4 d6 3. Nf3 Nf6 4. d3 Nc6 5. c3 e5 6. f5 d5 7. Qc2 Bd6 8. Bg5 d4
9. cxd4 cxd4 10. Nbd2 Be7 11. h3 Bd7 12. Bxf6 Bxf6 13. g3 Rc8 14. Qb3 b6 15.
Be2 a6 16. Nc4 Na5 17. Nd6+ Kf8 *
Position (FEN): 2rq1k1r/3b1ppp/pp1N1b2/n3pP2/3pP3/1Q1P1NPP/PP2B3/R3K2R w KQ - 4 18
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 846
Best move: Qxf7#