Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Mason_Variation
Moves: 1. d4 d5 2. Bf4 e6 3. Nf3 c5 4. c3 Nc6 5. e3 Nf6 6. Bb5 Bd7 7. Bxc6 Bxc6 8. Be5
Be7 9. O-O cxd4 10. exd4 O-O 11. Qd3 Ne4 12. Nbd2 f6 13. Bf4 Bd6 14. Bxd6 Qxd6
15. c4 Nxd2 16. Nxd2 dxc4 17. Nxc4 Qd5 18. b3 *
Position (FEN): r4rk1/pp4pp/2b1pp2/3q4/2NP4/1P1Q4/P4PPP/R4RK1 b - - 0 18
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 399
Best move: Qxg2#