Chess puzzle (Advantage)
Opening: Italian_Game, Italian_Game_Giuoco_Pianissimo
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. Ng5 Nh6 6. Qf3 O-O 7. Qg3 Nd4 8. Bb3
Qf6 9. O-O a5 10. c3 Nxb3 11. axb3 b5 12. Na3 b4 13. Nc4 Bb7 14. Be3 Qg6 15.
Bxc5 dxc5 16. Nxe5 Qd6 17. cxb4 cxb4 18. f4 *
Position (FEN): r4rk1/1bp2ppp/3q3n/p3N1N1/1p2PP2/1P1P2Q1/1P4PP/R4RK1 b - - 0 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 1593
Best move: f6