Chess puzzle (Checkmate)
Opening: Queens_Gambit_Accepted, Queens_Gambit_Accepted_Other_variations
Moves: 1. d4 d5 2. c4 dxc4 3. Nc3 a6 4. a4 Nc6 5. Nf3 Na5 6. e4 Bg4 7. Be3 e5 8. d5
Bb4 9. h3 Bxf3 10. Qxf3 Nf6 11. Be2 O-O 12. O-O b6 13. Rfe1 Qd6 14. Rad1 Bxc3
15. bxc3 b5 16. axb5 axb5 17. Qg3 Nb3 18. Bh6 Nxe4 *
Position (FEN): r4rk1/2p2ppp/3q3B/1p1Pp3/2p1n3/1nP3QP/4BPP1/3RR1K1 w - - 0 19
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 734
Best move: Qxg7#