Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Morphy_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Nf6 6. O-O Nxe4 7. Re1 d5 8. d3
Nc5 9. Nxe5 Nxe5 10. Rxe5+ Be6 11. Bxd5 Qf6 12. Bxa8 Qxe5 13. d4 Qd6 14. Bf4 *
Position (FEN): B3kb1r/2p2ppp/p2qb3/1pn5/3P1B2/8/PPP2PPP/RN1Q2K1 b k - 2 14
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 740
Best move: Qxf4