Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Smith-Morra_Gambit
Moves: 1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qd2 e5 5. Nf3 Nf6 6. Nc3 Bb4 7. a3 Nxe4 8.
Qe3 Bxc3+ 9. bxc3 d5 10. Bb5 O-O 11. Bxc6 bxc6 12. Nxe5 Re8 13. O-O Rxe5 14. c4
Qe7 15. Bb2 Re6 16. cxd5 cxd5 17. Qd4 Ba6 *
Position (FEN): r5k1/p3qppp/b3r3/3p4/3Qn3/P7/1BP2PPP/R4RK1 w - - 2 18
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 450
Best move: Qxg7#