Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Other_variations
Moves: 1. d4 d5 2. c4 e6 3. e3 Nf6 4. Nf3 Bb4+ 5. Bd2 Be7 6. cxd5 Nxd5 7. Bd3 O-O 8.
O-O Nc6 9. e4 Nf6 10. Bc3 b6 11. e5 Nd5 12. Bc2 Nxc3 13. bxc3 Bb7 14. Qd3 Na5 *
Position (FEN): r2q1rk1/pbp1bppp/1p2p3/n3P3/3P4/2PQ1N2/P1B2PPP/RN3RK1 w - - 3 15
White to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 667
Best move: Qxh7#