Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Open
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. Re1 Nd6 7. Nxe5 Nxe5 8.
Rxe5+ Be7 9. Re1 O-O 10. Nc3 b5 11. Bb3 Bb7 12. Bd5 c6 13. Bf3 Nf5 14. d4 d5
15. Ne2 Bd6 16. Nf4 Qc7 17. h3 *
Position (FEN): r4rk1/1bq2ppp/p1pb4/1p1p1n2/3P1N2/5B1P/PPP2PP1/R1BQR1K1 b - - 0 17
Black to move.
Themes:  Middlegame  
Puzzle rating: 886
Best move: Bxf4