Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Kramnik_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. c4 Nc6 4. d4 cxd4 5. Nxd4 d6 6. Nc3 Nf6 7. Be2 Be7 8. O-O
O-O 9. b3 Bd7 10. Bb2 a6 11. Nxc6 Bxc6 12. Bd3 Nd7 13. Qe2 Bf6 14. Nd5 Bxb2 15.
Qxb2 Ne5 16. Nf4 g5 17. Nh5 Nxd3 *
Position (FEN): r2q1rk1/1p3p1p/p1bpp3/6pN/2P1P3/1P1n4/PQ3PPP/R4RK1 w - - 0 18
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 991
Best move: Qg7#