Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Nimzowitsch_Variation
Moves: 1. e4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 a6 5. Bxc6 bxc6 6. O-O d6 7. d3 g6 8. e5
dxe5 9. Nxe5 Bb7 10. Nc4 Bg7 11. Na4 Nd7 12. Be3 O-O 13. Nxc5 Nxc5 14. Bxc5 Re8
15. Re1 e6 16. Rb1 Qd5 17. Bb6 c5 18. Qd2 *
Position (FEN): r3r1k1/1b3pbp/pB2p1p1/2pq4/2N5/3P4/PPPQ1PPP/1R2R1K1 b - - 1 18
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 556
Best move: Qxg2#