Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Exchange_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nxe5 Qd4 6. Nf3 Qxe4+ 7. Qe2
Qxe2+ 8. Kxe2 Bg4 9. Re1 O-O-O 10. h3 Bh5 11. Kf1 Bxf3 12. gxf3 Bd6 13. d3 h6
14. Nc3 g5 15. Ne4 Be7 16. f4 f5 17. fxg5 *
Position (FEN): 2kr2nr/1pp1b3/p1p4p/5pP1/4N3/3P3P/PPP2P2/R1B1RK2 b - - 0 17
Black to move.
Themes:  Middlegame  
Puzzle rating: 1699
Best move: fxe4