[Event "GLC Chess Challenge"] [Site "London ENG"] [Date "1986.03.20"] [EventDate "1986.03.11"] [Round "8"] [Result "1-0"] [White "Bent Larsen"] [Black "Lajos Portisch"] [ECO "B90"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "55"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bd3 e5 7.Nde2 Be7 8.O-O Nbd7 9.Be3 b5 10.Ng3 g6 11.b4 Bb7 12.a4 bxa4 13.Rxa4 Nb6 14.Ra5 Qc8 15.Bxb6 Qxc3 16.Qa1 Qc6 17.Be3 O-O 18.Bh6 Rfb8 19.h3 Bd8 20.Ra3 Nd7 21.Rc3 Qb6 22.Qa4 Bc8 23.Rxc8 Rxc8 24.Qxd7 Bh4 25.Qg4 Be7 26.Bd2 Kf8 27.Ra1 h5 28.Qe2 1-0