Chess puzzle (Advantage)
Opening: Nimzowitsch_Defense, Nimzowitsch_Defense_Other_variations
Moves: 1. e4 Nc6 2. d4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Qxd2 Nf6 6. Bd3 Nxd4 *
Position (FEN): r1bqk2r/pppp1ppp/4pn2/8/3nP3/3B1N2/PPPQ1PPP/RN2K2R w KQkq - 0 7
White to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1020
Best move: Nxd4