Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Symmetrical_Variation
Moves: 1. d4 Nf6 2. Nf3 d5 3. c4 b6 4. Nc3 dxc4 5. e4 Ba6 6. Qa4+ Qd7 7. Qxd7+ Nbxd7
8. b3 cxb3 *
Position (FEN): r3kb1r/p1pnpppp/bp3n2/8/3PP3/1pN2N2/P4PPP/R1B1KB1R w KQkq - 0 9
White to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1517
Best move: Bxa6