Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_French_Variation
Moves: 1. e4 e6 2. d4 c5 3. Nf3 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Qa5 7. Nb3 Qb4 8. a3
Qd6 9. Be2 Qc7 10. O-O Be7 11. f4 d6 12. Qe1 O-O 13. Qg3 b5 14. f5 exf5 15. Bh6
f4 *
Position (FEN): rnb2rk1/2q1bppp/p2p1n1B/1p6/4Pp2/PNN3Q1/1PP1B1PP/R4RK1 w - - 0 16
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 646
Best move: Qxg7#