Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Marshall_Defense
Moves: 1. d4 d5 2. c4 Nf6 3. g3 b6 4. Nf3 Bb7 5. Bg2 e6 6. O-O dxc4 7. a4 Bd6 8. Nc3
O-O 9. e4 Nxe4 10. Nxe4 Bxe4 11. Re1 Bb7 12. Qc2 Bd5 13. Ng5 Bxg2 *
Position (FEN): rn1q1rk1/p1p2ppp/1p1bp3/6N1/P1pP4/6P1/1PQ2PbP/R1B1R1K1 w - - 0 14
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 724
Best move: Qxh7#