Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Closed
Moves: 1. e4 c5 2. Nc3 Nc6 3. Nf3 e6 4. Bb5 d5 5. exd5 exd5 6. Bxc6+ bxc6 7. d3 Nf6 8.
Bf4 Be7 9. O-O O-O 10. Re1 d4 11. Ne4 Nd5 12. Bg3 Bg4 13. h3 Bh5 14. Qd2 f5 15.
Neg5 f4 16. Ne6 Qd7 17. Nxf8 Rxf8 18. Bh2 *
Position (FEN): 5rk1/p2qb1pp/2p5/2pn3b/3p1p2/3P1N1P/PPPQ1PPB/R3R1K1 b - - 1 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 1239
Best move: Bxf3