Chess puzzle (Advantage)
Opening: Queens_Gambit, Queens_Gambit_Other_variations
Moves: 1. d4 d5 2. c4 b6 3. Nc3 dxc4 4. e4 Bb7 5. Bxc4 e6 6. Nf3 Bb4 7. d5 exd5 8.
exd5 Ne7 *
Position (FEN): rn1qk2r/pbp1nppp/1p6/3P4/1bB5/2N2N2/PP3PPP/R1BQK2R w KQkq - 1 9
White to move.
Themes:  Opening  
Puzzle rating: 1529
Best move: Qa4+