Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Queens_Knight_Variation
Moves: 1. d4 e6 2. c4 d5 3. Nc3 Bb4 4. Qa4+ Nc6 5. Nf3 Ne7 6. Bg5 f6 7. Bh4 O-O 8. e3
Nf5 9. Bg3 e5 10. cxd5 Qxd5 11. dxe5 Nxg3 12. hxg3 fxe5 13. Rd1 Bxc3+ 14. bxc3
Qf7 15. Bc4 Be6 16. Ng5 *
Position (FEN): r4rk1/ppp2qpp/2n1b3/4p1N1/Q1B5/2P1P1P1/P4PP1/3RK2R b K - 4 16
Black to move.
Themes: Attacking f2 or f7 Middlegame Mate in 1 
Puzzle rating: 1280
Best move: Qxf2#