Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Steinitz_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 exd4 5. Nxd4 Bd7 6. O-O Nxd4 7. Bxd7+ Qxd7
8. Qxd4 Nf6 9. c4 Be7 10. Nc3 O-O 11. Re1 c6 12. Bg5 h6 13. Bh4 Rfe8 14. Rad1
Rad8 15. Qxa7 g5 16. Bg3 Nh5 17. Bxd6 *
Position (FEN): 3rr1k1/Qp1qbp2/2pB3p/6pn/2P1P3/2N5/PP3PPP/3RR1K1 b - - 0 17
Black to move.
Themes:  Middlegame  
Puzzle rating: 1108
Best move: Bxd6