[Event "Ch Australia"] [Site "masterchessopen.com Perth (Australia)"] [Date "1962.12.27"] [Round "1"] [White "Rotbergs O"] [Black "Weber Otto"] [Result "0-1"] [ECO "B33"] [Opening "Sicilian: Open, 2...Nc6"] 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 Bd7 7.Qd2 Qa5 8.O-O-O Nxd4 9.Bxf6 Nc6 10.Bh4 g6 11.f4 Bg7 12.Be1 O-O 13.a3 a6 14.Qf2 b5 15.Nd5 Qd8 16.Be2 Rb8 17.h4 e6 18.Nb4 a5 19.Nxc6 Bxc6 20.e5 d5 21.f5 b4 22.axb4 axb4 23.Qc5 Qc7 24.Bxb4 Rfc8 25.Qc3 Qb7 26.Bc5 Ba4 27.b4 Bf8 28.fxg6 fxg6 29.Qh3 Qf7 30.Bg4 Bd7 31.Bxf8 Rxf8 32.Rd4 Rb7 33.c3 Ra8 34.Rd2 Rba7 35.Kd1 Ra1+ 36.Ke2 Rxh1 37.Qxh1 Qf4 38.Qh3 Bb5+ {#R} 0-1