Chess puzzle (Advantage)
Opening: Philidor_Defense, Philidor_Defense_Other_variations
Moves: 1. e4 e5 2. Nf3 d6 3. Bc4 Bg4 4. Nc3 Nf6 5. d4 Qd7 6. dxe5 dxe5 7. Qxd7+ Nbxd7
8. Ng5 Bh5 9. Nb5 Bd6 10. Nxd6+ cxd6 11. f4 h6 12. fxe5 dxe5 13. Nf3 Nxe4 14.
O-O O-O 15. Bd5 Nec5 16. b4 Na6 17. Bxb7 Rab8 *
Position (FEN): 1r3rk1/pB1n1pp1/n6p/4p2b/1P6/5N2/P1P3PP/R1B2RK1 w - - 1 18
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1125
Best move: Bxa6