Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Closed
Moves: 1. e4 c5 2. Nc3 e6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd1 a6 6. Nf3 Qc7 7. a3 Nf6 8. Bg5
Be7 9. Qd2 O-O 10. Bf4 e5 11. Bg5 Rd8 12. Bxf6 Bxf6 13. Nd5 Qd6 14. Nxf6+ Qxf6
15. O-O-O b5 16. Qd5 Bb7 17. a4 bxa4 18. Bc4 Na5 *
Position (FEN): r2r2k1/1b1p1ppp/p4q2/n2Qp3/p1B1P3/5N2/1PP2PPP/2KR3R w - - 2 19
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1390
Best move: Qxa5