Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Four_Knights_Variation
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Nf6 6. Be2 h6 7. O-O Be7 8. b3
O-O 9. Bb2 b6 10. Bf3 Bb7 11. Nxc6 Bxc6 12. a4 Rc8 13. Qd2 Nh7 14. Rad1 Ng5 15.
Nb5 Nxf3+ 16. gxf3 Bg5 17. f4 Bh4 18. Qd4 Bxb5 *
Position (FEN): 2rq1rk1/p2p1pp1/1p2p2p/1b6/P2QPP1b/1P6/1BP2P1P/3R1RK1 w - - 0 19
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 952
Best move: Qxg7#