Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Harrwitz_Attack
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Bf4 Nf6 5. Nf3 O-O 6. e3 c5 7. Be2 cxd4 8. exd4
dxc4 9. Bxc4 Nc6 10. O-O b6 11. Rc1 Bb7 12. Be3 Nb4 13. a3 Nbd5 14. Ba2 Nxe3
15. fxe3 Ne4 16. Bb1 Nxc3 17. Rxc3 Rc8 18. Qc2 Rxc3 *
Position (FEN): 3q1rk1/pb2bppp/1p2p3/8/3P4/P1r1PN2/1PQ3PP/1B3RK1 w - - 0 19
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 1365
Best move: Qxh7#