Chess puzzle (Advantage)
Opening: Philidor_Defense, Philidor_Defense_Bird_Gambit
Moves: 1. e4 e5 2. d4 exd4 3. Nf3 d6 4. c3 dxc3 5. Nxc3 Bg4 6. Bc4 Bxf3 7. Qxf3 Nf6 8.
e5 dxe5 9. Qxb7 Nbd7 10. Bd2 Bc5 11. Rd1 Bd6 12. Nb5 Rb8 13. Nxd6+ cxd6 14.
Qxa7 O-O 15. b4 Ra8 16. Qe3 Rxa2 *
Position (FEN): 3q1rk1/3n1ppp/3p1n2/4p3/1PB5/4Q3/r2B1PPP/3RK2R w K - 0 17
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1258
Best move: Bxa2