Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Ragozin_Defense
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 d5 5. cxd5 exd5 6. Bg5 O-O 7. e3 c5 8. Bd3
Qa5 9. Qc2 c4 10. Be2 Ne4 11. O-O Bxc3 12. Bxc4 Nxg5 13. Nxg5 dxc4 *
Position (FEN): rnb2rk1/pp3ppp/8/q5N1/2pP4/2b1P3/PPQ2PPP/R4RK1 w - - 0 14
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 454
Best move: Qxh7#