Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Vienna_Variation
Moves: 1. d4 Nf6 2. c4 d5 3. Nf3 dxc4 4. Nc3 e6 5. e4 Bb4 6. Bg5 h6 7. Bxf6 Qxf6 8.
Bxc4 c6 9. a3 O-O *
Position (FEN): rnb2rk1/pp3pp1/2p1pq1p/8/1bBPP3/P1N2N2/1P3PPP/R2QK2R w KQ - 1 10
White to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1672
Best move: axb4