Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Kan_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be3 Bb4 7. Qd2 Nf6 8. f3
d5 9. Bd3 e5 10. Nde2 d4 11. Nxd4 exd4 12. Bxd4 Nbd7 13. O-O-O O-O 14. Qg5 Be7
15. Nd5 Nxd5 *
Position (FEN): r1b2rk1/1pqnbppp/p7/3n2Q1/3BP3/3B1P2/PPP3PP/2KR3R w - - 0 16
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 653
Best move: Qxg7#