Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Normal_Defense
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. e3 Be7 5. Nf3 O-O 6. Be2 c5 7. O-O cxd4 8. Nxd4
Nc6 9. Nxc6 bxc6 10. cxd5 cxd5 11. Nb5 a6 12. Nd4 a5 13. b3 Qd6 14. Nb5 Qe5 15.
Nd4 Bd6 16. Bb2 *
Position (FEN): r1b2rk1/5ppp/3bpn2/p2pq3/3N4/1P2P3/PB2BPPP/R2Q1RK1 b - - 6 16
Black to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 1274
Best move: Qxh2#