Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Ragozin_Defense
Moves: 1. d4 d5 2. c4 Nf6 3. Nc3 e6 4. Nf3 Bb4 5. Ne5 Ne4 6. Qa4+ Bd7 *
Position (FEN): rn1qk2r/pppb1ppp/4p3/3pN3/QbPPn3/2N5/PP2PPPP/R1B1KB1R w KQkq - 6 7
White to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1673
Best move: Qxb4