Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Other_variations
Moves: 1. d4 Nf6 2. c4 e6 3. Bg5 Be7 4. Nc3 d5 5. e3 Ng4 *
Position (FEN): rnbqk2r/ppp1bppp/4p3/3p2B1/2PP2n1/2N1P3/PP3PPP/R2QKBNR w KQkq - 1 6
White to move.
Themes:  Opening  
Puzzle rating: 1351
Best move: Bxe7