Chess puzzle (Checkmate)
Opening: Queens_Gambit_Accepted, Queens_Gambit_Accepted_Central_Variation
Moves: 1. d4 d5 2. c4 dxc4 3. e4 Nc6 4. Nf3 Bg4 5. Bxc4 e6 6. Be3 Nf6 7. Nc3 Bb4 8.
Qc2 Bxc3+ 9. bxc3 Bxf3 10. gxf3 O-O 11. Ke2 e5 12. Rad1 exd4 13. cxd4 h6 14.
Rhg1 Kh8 15. a4 Nh7 16. Qa2 f5 17. d5 Ne5 18. Qb2 Nxc4 *
Position (FEN): r2q1r1k/ppp3pn/7p/3P1p2/P1n1P3/4BP2/1Q2KP1P/3R2R1 w - - 0 19
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 1260
Best move: Qxg7#