Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Harrwitz_Attack
Moves: 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Be7 5. Bf4 Nf6 6. e3 O-O 7. Bd3 h6 8. Qc2
Nbd7 9. O-O dxc4 10. Bxc4 b5 11. Bd3 Bb7 12. Be2 a6 13. Ne5 Rc8 14. Nxd7 Qxd7
15. Be5 c5 16. Rfd1 cxd4 17. Rxd4 Qc6 18. Rc1 *
Position (FEN): 2r2rk1/1b2bpp1/p1q1pn1p/1p2B3/3R4/2N1P3/PPQ1BPPP/2R3K1 b - - 2 18
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 805
Best move: Qxg2#