Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Exchange_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 bxc6 5. O-O d6 6. Nc3 Nf6 7. d4 exd4 8.
Nxd4 c5 9. Nc6 Qd7 10. Na5 Be7 11. Nc4 O-O 12. Re1 Ng4 13. f3 Ne5 14. Nxe5 dxe5
15. Qxd7 Bxd7 16. Nd5 Bd8 17. c4 c6 18. Nb6 *
Position (FEN): r2b1rk1/3b1ppp/pNp5/2p1p3/2P1P3/5P2/PP4PP/R1B1R1K1 b - - 1 18
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 726
Best move: Bxb6