Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Exchange_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d3 Bd6 6. Nc3 Be6 7. Bg5 Nf6 8.
O-O O-O 9. d4 exd4 10. Nxd4 Be7 11. Nxe6 fxe6 12. Qxd8 Raxd8 13. e5 h6 *
Position (FEN): 3r1rk1/1pp1b1p1/p1p1pn1p/4P1B1/8/2N5/PPP2PPP/R4RK1 w - - 0 14
White to move.
Themes:  Middlegame  
Puzzle rating: 1409
Best move: exf6