[Event "Amsterdam IBM"] [Site "Amsterdam NED"] [Date "1972.06.06"] [EventDate "1972.05.30"] [Round "7"] [Result "1/2-1/2"] [White "Wolfgang Uhlmann"] [Black "Jan Timman"] [ECO "A17"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "84"] 1.c4 Nf6 2.Nc3 e6 3.Nf3 Bb4 4.Qc2 O-O 5.a3 Bxc3 6.Qxc3 b6 7.g3 Bb7 8.Bg2 d6 9.O-O Nbd7 10.b3 e5 11.Bb2 c5 12.e3 Rc8 13.Rfe1 Rc7 14.d3 Qa8 15.e4 Nh5 16.Nh4 f5 17.exf5 Bxg2 18.Nxg2 Rxf5 19.Qc2 Rf3 20.Re3 Nf8 21.Qe2 Rcf7 22.Rxf3 Qxf3 23.Qxf3 Rxf3 24.Ne3 Ne6 25.b4 g6 26.b5 Nd4 27.a4 Rf7 28.Bxd4 cxd4 29.Nd5 Nf6 30.Nxf6+ Rxf6 31.a5 Rf3 32.axb6 axb6 33.Ra3 e4 34.Ra8+ Kf7 35.dxe4 d3 36.Kg2 d2 37.Ra1 Rd3 38.Rd1 Ke6 39.f4 Rd4 40.Kf3 Rxc4 41.Rxd2 Rb4 42.Rd5 Rb3+ 1/2-1/2