Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Zukertort_Variation
Moves: 1. d4 d5 2. Nf3 c6 3. g3 e6 4. Bg2 Nf6 5. Bf4 Bd6 6. Bxd6 Qxd6 7. c4 O-O 8. c5
Qd8 9. Nc3 b6 10. cxb6 axb6 11. O-O Ba6 12. Qa4 Bxe2 *
Position (FEN): rn1q1rk1/5ppp/1pp1pn2/3p4/Q2P4/2N2NP1/PP2bPBP/R4RK1 w - - 0 13
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1418
Best move: Qxa8