[Event "Teesside"] [Site "Middlesbrough ENG"] [Date "1975.09.04"] [EventDate "1975.09.01"] [Round "4"] [Result "1/2-1/2"] [White "Fridrik Olafsson"] [Black "Michael Francis Stean"] [ECO "D87"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "35"] 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O 8.Ne2 c5 9.O-O Nc6 10.Be3 Qc7 11.Rc1 Rd8 12.Qa4 Bd7 13.Qa3 Qa5 14.Qb3 Be8 15.Rfd1 b6 16.Qb1 Rac8 17.h3 Qa3 18.dxc5 1/2-1/2