Chess puzzle (Crushing)
Opening: Vienna_Game, Vienna_Game_Anderssen_Defense
Moves: 1. e4 e5 2. Nc3 Bc5 3. Nf3 Nf6 4. a3 O-O 5. b4 Bb6 6. d3 Ng4 7. h3 *
Position (FEN): rnbq1rk1/pppp1ppp/1b6/4p3/1P2P1n1/P1NP1N1P/2P2PP1/R1BQKB1R b KQ - 0 7
Black to move.
Themes: Attacking f2 or f7 Opening  
Puzzle rating: 1172
Best move: Nxf2