[Event "Sofia (Women)"] [Site "Sofia BUL"] [Date "1970.10.15"] [EventDate "1970.10.02"] [Round "11"] [Result "1/2-1/2"] [White "Paunka Todorova"] [Black "Ruth Cardoso"] [ECO "A44"] [WhiteElo "?"] [BlackElo "?"] [Source "Perpetual Check"] [PlyCount "66"] 1.d4 c5 2.d5 e5 3.c4 d6 4.Nc3 Ne7 5.e4 Ng6 6.g3 Be7 7.Bg2 a6 8.Nge2 O-O 9.O-O Nd7 10.Be3 Bg5 11.Qd2 Bxe3 12.Qxe3 Nf6 13.f3 Bd7 14.Rfb1 b5 15.b4 cxb4 16.Rxb4 a5 17.Rbb1 bxc4 18.a4 Qc7 19.Nb5 Bxb5 20.axb5 Rfb8 21.b6 Qc8 22.Nc3 Rb7 23.Rb5 Nd7 24.Bh3 Qb8 25.Bxd7 Rxd7 26.Rbxa5 Rxa5 27.Rxa5 Nf8 28.Na4 Rb7 29.Qc3 g6 30.Kg2 Nd7 31.Qxc4 Nxb6 32.Nxb6 Rxb6 33.Ra2 1/2-1/2