Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Hyperaccelerated_Dragon
Moves: 1. e4 g6 2. Nf3 c5 3. c3 Nc6 4. d4 cxd4 5. cxd4 d6 6. Bb5 Bd7 7. d5 Na5 8.
Bxd7+ Qxd7 9. Qd4 Nf6 10. b4 Rc8 11. O-O Nc4 12. Bg5 Bg7 13. Rc1 b5 14. a4 Nh5
15. e5 Nxe5 16. Rxc8+ Qxc8 17. Qxa7 Nxf3+ 18. gxf3 Bxa1 *
Position (FEN): 2q1k2r/Q3pp1p/3p2p1/1p1P2Bn/PP6/5P2/5P1P/bN4K1 w k - 0 19
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 834
Best move: Qxe7#