Chess puzzle (Crushing)
Opening: Kings_Pawn_Game, Kings_Pawn_Game_Leonardis_Variation
Moves: 1. d3 e5 2. e4 Nf6 3. Nf3 Nc6 4. b3 Bb4+ 5. c3 Ba5 6. b4 Bb6 7. a4 a6 8. Na3
Ng4 9. h3 *
Position (FEN): r1bqk2r/1ppp1ppp/pbn5/4p3/PP2P1n1/N1PP1N1P/5PP1/R1BQKB1R b KQkq - 0 9
Black to move.
Themes: Attacking f2 or f7 Opening  
Puzzle rating: 1574
Best move: Nxf2