Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Other_variations
Moves: 1. d4 d5 2. c4 e6 3. a3 Nf6 4. Nc3 Nc6 5. h3 Be7 6. Bf4 Na5 7. Qa4+ Nc6 8. c5
b6 9. b4 O-O *
Position (FEN): r1bq1rk1/p1p1bppp/1pn1pn2/2Pp4/QP1P1B2/P1N4P/4PPP1/R3KBNR w KQ - 1 10
White to move.
Themes: Hanging Piece Opening  
Puzzle rating: 913
Best move: Qxc6