Chess puzzle (Advantage)
Opening: Italian_Game, Italian_Game_Hungarian_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. O-O Nf6 5. Ng5 O-O 6. Nc3 d6 7. Nd5 Nxd5 8.
exd5 Bxg5 9. dxc6 bxc6 10. Qh5 d5 11. Bd3 f5 12. b3 e4 13. Be2 g6 14. Qh3 f4
15. Qc3 Bf6 16. Qxc6 Rb8 17. Rb1 Rb6 18. Qa4 Ra6 *
Position (FEN): 2bq1rk1/p1p4p/r4bp1/3p4/Q3pp2/1P6/P1PPBPPP/1RB2RK1 w - - 5 19
White to move.
Themes:  Middlegame  
Puzzle rating: 1147
Best move: Bxa6