Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Other_variations
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. cxd5 exd5 6. Qc2 c6 7. e3 O-O 8. Bd3
Nbd7 9. Nge2 Re8 10. Rd1 Nf8 11. f3 Be6 12. O-O Ng6 13. h3 Nh5 14. Bxe7 Qxe7
15. e4 Ngf4 16. e5 Kh8 17. Bf5 Qg5 18. Bxe6 *
Position (FEN): r3r2k/pp3ppp/2p1B3/3pP1qn/3P1n2/2N2P1P/PPQ1N1P1/3R1RK1 b - - 0 18
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 1047
Best move: Qxg2#