Chess puzzle (Checkmate)
Opening: Semi-Slav_Defense, Semi-Slav_Defense_Marshall_Gambit
Moves: 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Nf6 6. Nxf6+ Qxf6 7. Nf3 Bb4+ 8.
Bd2 Bxd2+ 9. Qxd2 O-O 10. Bd3 Nd7 11. O-O e5 12. Rfe1 exd4 13. Nxd4 Ne5 14. Bb1
Nxc4 15. Qc2 Nb6 *
Position (FEN): r1b2rk1/pp3ppp/1np2q2/8/3N4/8/PPQ2PPP/RB2R1K1 w - - 2 16
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 768
Best move: Qxh7#