Chess puzzle (Crushing)
Opening: Vienna_Game, Vienna_Game_Vienna_Gambit
Moves: 1. e4 e5 2. Nc3 Nf6 3. f4 d6 4. Nf3 exf4 5. d4 c6 6. Bxf4 Be7 7. Bd3 O-O 8. Qe2
Bg4 9. h3 Bd7 10. O-O-O b5 11. g4 a5 12. Qg2 b4 13. Ne2 a4 14. g5 Nh5 15. Ng3 *
Position (FEN): rn1q1rk1/3bbppp/2pp4/6Pn/pp1PPB2/3B1NNP/PPP3Q1/2KR3R b - - 2 15
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1152
Best move: Nxf4