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. e3 b6 6. Nf3 Nbd7 7. Bd3 Bb7 8. O-O
O-O 9. Bf4 c5 10. cxd5 Nxd5 11. Nxd5 Bxd5 12. e4 Bb7 13. Ne5 Nxe5 14. Bxe5 cxd4
15. Qg4 Bf6 16. Bg3 Rc8 17. Qh3 Qe7 18. e5 Bg5 *
Position (FEN): 2r2rk1/pb2qppp/1p2p3/4P1b1/3p4/3B2BQ/PP3PPP/R4RK1 w - - 1 19
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 1054
Best move: Qxh7#