Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Bowdler_Attack
Moves: 1. e4 c5 2. Bc4 d6 3. Qh5 e6 4. e5 d5 5. Bb5+ Nc6 6. d3 Ne7 7. Bg5 h6 8. Nf3
Bd7 9. Bxc6 Bxc6 10. O-O Qc7 11. Nbd2 Nf5 12. Rae1 Be7 13. g4 Bxg5 14. gxf5
Bxd2 15. Nxd2 O-O-O 16. fxe6 fxe6 17. Qg4 Qe7 18. Nb3 b6 19. a4 Bxa4 *
Position (FEN): 2kr3r/p3q1p1/1p2p2p/2ppP3/b5Q1/1N1P4/1PP2P1P/4RRK1 w - - 0 20
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1024
Best move: Qxa4