Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Baltic_Defense
Moves: 1. d4 d5 2. c4 c6 3. Nf3 Bf5 4. Nc3 e6 5. Qb3 Qc7 6. Bf4 Qxf4 *
Position (FEN): rn2kbnr/pp3ppp/2p1p3/3p1b2/2PP1q2/1QN2N2/PP2PPPP/R3KB1R w KQkq - 0 7
White to move.
Themes:  Opening  
Puzzle rating: 1325
Best move: Qxb7