Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Vienna_Variation
Moves: 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e4 b5 6. e5 Nd5 7. Nxb5 Nb6 8. Be2
Nc6 9. Be3 Bb7 10. O-O Rb8 11. Nc3 Be7 12. a3 O-O 13. Qc2 Na5 14. Rad1 Nd5 15.
Nxd5 Qxd5 16. Nd2 *
Position (FEN): 1r3rk1/pbp1bppp/4p3/n2qP3/2pP4/P3B3/1PQNBPPP/3R1RK1 b - - 1 16
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 516
Best move: Qxg2#