Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Steinitz_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Be7 5. d4 Bd7 6. dxe5 Nxe5 7. Bxd7+ Nxd7
8. Re1 Ngf6 9. b3 O-O 10. Bb2 Nc5 11. Nbd2 c6 12. e5 dxe5 13. Nxe5 Nd5 14. Ndf3
Bf6 15. Ba3 Be7 16. Nd3 Nxd3 17. Qxd3 *
Position (FEN): r2q1rk1/pp2bppp/2p5/3n4/8/BP1Q1N2/P1P2PPP/R3R1K1 b - - 0 17
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1342
Best move: Bxa3