Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Other_variations
Moves: 1. d4 d5 2. c4 e6 3. e3 Nf6 4. Nc3 c5 5. Bd3 Nc6 6. Nge2 a6 7. a3 dxc4 8. Bxc4
b5 9. Ba2 cxd4 10. exd4 Bb7 11. O-O Be7 12. b4 O-O 13. Be3 Rc8 14. Bb1 Nd5 15.
Nxd5 Qxd5 16. Qc2 Nxd4 *
Position (FEN): 2r2rk1/1b2bppp/p3p3/1p1q4/1P1n4/P3B3/2Q1NPPP/RB3RK1 w - - 0 17
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 1337
Best move: Qxh7#