Chess puzzle (Advantage)
Opening: Zukertort_Opening, Zukertort_Opening_Queens_Gambit_Invitation
Moves: 1. Nf3 e6 2. d4 d5 3. Bf4 a6 4. e3 Nc6 5. Bd3 b5 6. c3 b4 7. cxb4 Nxb4 8. Qa4+
Bd7 9. Qd1 Ba4 *
Position (FEN): r2qkbnr/2p2ppp/p3p3/3p4/bn1P1B2/3BPN2/PP3PPP/RN1QK2R w KQkq - 4 10
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 927
Best move: Qxa4+