Chess puzzle (Checkmate)
Opening: Owen_Defense, Owen_Defense_Smith_Gambit
Moves: 1. d4 b6 2. e4 Bb7 3. Nf3 Nf6 4. Bd3 d6 5. Nc3 e6 6. O-O Be7 7. Bf4 Nbd7 8. Re1
O-O 9. e5 dxe5 10. Nxe5 Nd5 11. Nxd5 Bxd5 12. Nxd7 Qxd7 13. c4 Bb7 14. Qc2 f5
15. Rac1 Qxd4 16. Bxc7 Rad8 17. Rcd1 Qg4 18. Bxd8 *
Position (FEN): 3B1rk1/pb2b1pp/1p2p3/5p2/2P3q1/3B4/PPQ2PPP/3RR1K1 b - - 0 18
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 1221
Best move: Qxg2#