Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_French_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. Bb5 Nc6 4. Bxc6 bxc6 5. Nc3 d5 6. d3 d4 7. Ne2 f5 8. e5
Be7 9. O-O Qd7 10. Ng5 Nh6 11. Nf3 Bb7 12. Bxh6 gxh6 13. Nf4 O-O-O 14. Nd2 Rhg8
15. c3 Bg5 16. Ne2 Qg7 17. cxd4 Bxd2 18. Qxd2 *
Position (FEN): 2kr2r1/pb4qp/2p1p2p/2p1Pp2/3P4/3P4/PP1QNPPP/R4RK1 b - - 0 18
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 507
Best move: Qxg2#