Chess puzzle (Checkmate)
Opening: Horwitz_Defense, Horwitz_Defense_Other_variations
Moves: 1. d4 e6 2. Bf4 Nf6 3. e3 Nc6 4. Nc3 Bd6 5. Bxd6 cxd6 6. Nf3 O-O 7. Bd3 Ne7 8.
Ne4 Nxe4 9. Bxe4 d5 10. Bd3 Ng6 11. h4 Qf6 12. g3 d6 13. Ng5 e5 14. Nxh7 Kxh7
15. h5 Kg8 16. hxg6 fxg6 17. e4 *
Position (FEN): r1b2rk1/pp4p1/3p1qp1/3pp3/3PP3/3B2P1/PPP2P2/R2QK2R b KQ - 0 17
Black to move.
Themes: Attacking f2 or f7 Middlegame Mate in 1 
Puzzle rating: 400
Best move: Qxf2#