Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Classical_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Bc5 5. c3 a6 6. Ba4 b5 7. Bc2 Bb6 8. d4
d6 9. Bg5 h6 10. Bh4 g5 11. Bg3 g4 12. dxe5 Nh5 13. Nd4 Nxg3 14. Nxc6 Qd7 15.
exd6 *
Position (FEN): r1b1k2r/2pq1p2/pbNP3p/1p6/4P1p1/2P3n1/PPB2PPP/RN1Q1RK1 b kq - 0 15
Black to move.
Themes:  Middlegame  
Puzzle rating: 1797
Best move: Nxf1