Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Harrwitz_Attack
Moves: 1. d4 Nf6 2. c4 d5 3. Nc3 e6 4. Nf3 Be7 5. Bf4 a6 6. e3 c5 7. Be2 Nc6 8. O-O
Nh5 9. Bg5 Bxg5 10. Nxg5 Qxg5 11. Bxh5 cxd4 12. exd4 Nxd4 13. Bxf7+ Kxf7 14.
Qxd4 dxc4 15. Qxc4 Bd7 16. Rad1 Bc6 17. Ne4 Qg6 18. Nd6+ Ke7 19. Qc5 *
Position (FEN): r6r/1p2k1pp/p1bNp1q1/2Q5/8/8/PP3PPP/3R1RK1 b - - 8 19
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 808
Best move: Qxg2#