Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Alapin_Variation
Moves: 1. e4 c5 2. c3 e5 3. f4 d6 4. d4 cxd4 5. cxd4 exd4 6. Qxd4 Nc6 7. Bb5 Bd7 8.
Bxc6 Bxc6 9. Nf3 Nf6 10. Nc3 Be7 11. O-O O-O 12. Rd1 Qc7 13. b3 Rae8 14. Bb2 a6
15. Rac1 Qb8 16. Nd5 Nxd5 *
Position (FEN): 1q2rrk1/1p2bppp/p1bp4/3n4/3QPP2/1P3N2/PB4PP/2RR2K1 w - - 0 17
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 707
Best move: Qxg7#