Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Nurnberg_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 f6 4. Nc3 a6 5. Ba4 Nge7 6. d4 exd4 7. Nxd4 Nxd4 8.
Qxd4 Nc6 9. Qd5 Ne7 10. Qh5+ g6 11. Qf3 Bg7 12. Bb3 Nc6 13. O-O Ne5 14. Qe2 d6
15. f4 Bg4 16. Qf2 Nc6 17. Qh4 Bd7 18. Be3 Qe7 *
Position (FEN): r3k2r/1ppbq1bp/p1np1pp1/8/4PP1Q/1BN1B3/PPP3PP/R4RK1 w kq - 7 19
White to move.
Themes:  Middlegame  
Puzzle rating: 1230
Best move: Nd5