Chess puzzle (Advantage)
Opening: Scotch_Game, Scotch_Game_Other_variations
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 d6 4. d5 Nb8 5. c4 Be7 6. Nc3 Nf6 7. Be2 O-O 8. O-O
Ne8 9. Be3 f5 10. exf5 Bxf5 11. Bd3 Bg4 12. Be2 Bf5 13. Qd2 Nd7 14. Ng5 Nc5 15.
Bxc5 Bxg5 16. Be3 Be7 17. Bf3 Nf6 18. Bf4 *
Position (FEN): r2q1rk1/ppp1b1pp/3p1n2/3Ppb2/2P2B2/2N2B2/PP1Q1PPP/R4RK1 b - - 5 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 1080
Best move: exf4