Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Morphy_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Be7 5. d4 exd4 6. O-O b5 7. Bb3 Na5 8.
Qxd4 Nxb3 9. axb3 c5 10. Qd5 Rb8 11. Ne5 Qb6 12. Nxf7 *
Position (FEN): 1rb1k1nr/3pbNpp/pq6/1ppQ4/4P3/1P6/1PP2PPP/RNB2RK1 b k - 0 12
Black to move.
Themes:  Opening  
Puzzle rating: 1827
Best move: Nf6