Chess puzzle (Advantage)
Opening: Alekhine_Defense, Alekhine_Defense_Two_Pawn_Attack
Moves: 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 Nc6 5. c5 Nd5 6. Bc4 e6 7. Nf3 Na5 8. Bxd5
exd5 9. Bg5 Be7 10. Bxe7 Qxe7 11. Qd2 b6 12. b4 Nc4 13. Qd3 Ba6 14. Nc3 Nb2 *
Position (FEN): r3k2r/p1ppqppp/bp6/2PpP3/1P1P4/2NQ1N2/Pn3PPP/R3K2R w KQkq - 5 15
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1011
Best move: Qxa6