[Event "Dortmund"] [Site "Dortmund"] [Round "1"] [White "Efim Geller"] [Black "Udo Kaeser"] [Result "0-1"] [ECO "B32"] [Opening "Sicilian: Loewenthal"] 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5 5.Nb5 d6 6.N1c3 a6 7.Na3 b5 8.Nd5 Be7 9.c4 b4 10.Nc2 Rb8 11.a3 bxa3 12.b4 Nf6 13.b5 axb5 14.cxb5 Nd4 15.Nxd4 exd4 16.Rxa3 Nxd5 17.exd5 O-O 18.Bd3 Bg5 19.O-O Bxc1 20.Qxc1 Qf6 21.Re1 Bf5 22.Qf4 Bxd3 23.Qxf6 gxf6 24.Rxd3 Rxb5 25.Rxd4 Rc8 26.h3 f5 27.Red1 Rcc5 28.Kh2 Kg7 29.Kg3 Kg6 30.R1d3 Rc2 31.Ra4 Rcc5 32.Rad4 Rc2 33.Rh4 Rcc5 34.Kh2 h6 35.Rg3+ Kh7 36.Rg5 Rc4 37.g4 fxg4 38.hxg4 Rf4 39.Kg3 Rf6 40.Rgh5 Rb3+ 41.Kg2 Rb2 42.Kg1 Rfxf2 43.Rxh6+ Kg7 44.Rh7+ Kg6 45.R4h6+ Kg5 46.Rxd6 Rg2+ 47.Kf1 Rgc2 {#R} 0-1