Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Three_Knights
Moves: 1. d4 d5 2. c4 Nf6 3. Nc3 e6 4. Nf3 dxc4 5. e4 Bb4 6. Bd2 Bxc3 7. Bxc3 Nxe4 8.
Bxc4 Nxc3 9. bxc3 Nc6 10. Bb5 Bd7 11. O-O a6 12. Ba4 b5 13. Bc2 Na5 14. Rb1 O-O
15. Qd3 c6 *
Position (FEN): r2q1rk1/3b1ppp/p1p1p3/np6/3P4/2PQ1N2/P1B2PPP/1R3RK1 w - - 0 16
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 476
Best move: Qxh7#