Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Morphy_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bc2 d5 8. d4
exd4 9. e5 Ne4 10. cxd4 Bb6 11. h3 O-O 12. a3 Bf5 13. Be3 f6 14. exf6 Qxf6 15.
Nc3 Qg6 16. Nh4 Nxc3 17. Nxg6 *
Position (FEN): r4rk1/2p3pp/pbn3N1/1p1p1b2/3P4/P1n1B2P/1PB2PP1/R2Q1RK1 b - - 0 17
Black to move.
Themes:  Middlegame  
Puzzle rating: 1603
Best move: Nxd1