Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Marshall_Defense
Moves: 1. d4 d5 2. c4 Nf6 3. cxd5 Nxd5 4. e4 Nf6 5. e5 Nd5 6. Bc4 e6 7. Nf3 Bb4+ 8.
Bd2 Nc6 9. Bxd5 Qxd5 10. Bxb4 Nxb4 11. Qa4+ Bd7 *
Position (FEN): r3k2r/pppb1ppp/4p3/3qP3/Qn1P4/5N2/PP3PPP/RN2K2R w KQkq - 2 12
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 990
Best move: Qxb4