Chess puzzle (Checkmate)
Opening: Queens_Gambit_Accepted, Queens_Gambit_Accepted_Old_Variation
Moves: 1. d4 d5 2. c4 dxc4 3. e3 e6 4. Bxc4 c6 5. a3 Nf6 6. Ne2 Nd5 7. O-O b5 8. Bd3
Bd6 9. Qc2 Qh4 10. Ng3 O-O 11. e4 Nf4 12. Bxf4 Bxf4 13. Nc3 f5 14. exf5 exf5
15. Bxf5 Bxf5 16. Nxf5 *
Position (FEN): rn3rk1/p5pp/2p5/1p3N2/3P1b1q/P1N5/1PQ2PPP/R4RK1 b - - 0 16
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 752
Best move: Qxh2#