Chess puzzle (Advantage)
Opening: Modern_Defense, Modern_Defense_Norwegian_Defense
Moves: 1. d4 Nf6 2. e4 g6 3. e5 Nd5 4. c4 Nf4 *
Position (FEN): rnbqkb1r/pppppp1p/6p1/4P3/2PP1n2/8/PP3PPP/RNBQKBNR w KQkq - 1 5
White to move.
Themes: Hanging Piece Opening  
Puzzle rating: 846
Best move: Bxf4