Chess puzzle (Advantage)
Opening: Zukertort_Opening, Zukertort_Opening_Reversed_Mexican_Defense
Moves: 1. Nf3 d5 2. Nc3 Nc6 3. e3 Bf5 4. Nh4 Nb4 *
Position (FEN): r2qkbnr/ppp1pppp/8/3p1b2/1n5N/2N1P3/PPPP1PPP/R1BQKB1R w KQkq - 3 5
White to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1233
Best move: Nxf5