Chess puzzle (Advantage)
Opening: Nimzowitsch_Defense, Nimzowitsch_Defense_Other_variations
Moves: 1. e4 Nc6 2. Bc4 Nf6 3. Nf3 Nxe4 4. O-O d5 5. Bb3 Bg4 6. d3 Ng5 *
Position (FEN): r2qkb1r/ppp1pppp/2n5/3p2n1/6b1/1B1P1N2/PPP2PPP/RNBQ1RK1 w kq - 1 7
White to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1319
Best move: Bxg5