[Event "exchange sac on f8"] [Site ""] [Date "2017.11.09"] [Round ""] [White ""] [Black ""] [Result "*"] [WhiteElo "?"] [BlackElo "?"] [Variant "From Position"] [TimeControl "-"] [ECO "?"] [Opening "?"] [Termination "Unterminated"] [FEN "r2q1rk1/4bppp/p1n1pn2/1p1p2B1/8/P1NB1P1P/1PPQ1P2/2K3RR b - - 1 15"] [SetUp "1"] [Annotator "lichess.org"] 15... b4 16. Bh6 g6 17. axb4 Nxb4 18. Bxf8 Bxf8 19. h4 Nh5 *