Chess puzzle (Advantage)
Opening: Queens_Gambit_Accepted, Queens_Gambit_Accepted_Central_Variation
Moves: 1. d4 d5 2. c4 dxc4 3. e4 Nf6 4. Nc3 e6 5. Bxc4 Bb4 6. d5 Nxe4 7. Qa4+ c6 *
Position (FEN): rnbqk2r/pp3ppp/2p1p3/3P4/QbB1n3/2N5/PP3PPP/R1B1K1NR w KQkq - 0 8
White to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1491
Best move: Qxb4