[Event "Fortaleza Zonal"] [Site "Fortaleza BRA"] [Date "1975.??.??"] [EventDate "1975.10.18"] [Round "10"] [Result "1-0"] [White "Otto Benitez"] [Black "Gamarra Caceres, Carlos"] [ECO "B24"] [WhiteElo "?"] [BlackElo "?"] [Source "Olimpbase"] [PlyCount "90"] 1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 e6 6.Nge2 Rb8 7.O-O Nge7 8.Bg5 b5 9.Qd2 b4 10.Nd1 Nd4 11.Re1 d6 12.c3 Nxe2+ 13.Rxe2 bxc3 14.bxc3 h6 15.Be3 Qa5 16.Qc1 Ba6 17.Rd2 O-O 18.d4 Nc6 19.Bf1 Bxf1 20.Kxf1 cxd4 21.cxd4 Rfc8 22.Rb1 Nb4 23.Qb2 Na6 24.Qa1 Nc5 25.f3 Qa6+ 26.Kg2 Na4 27.Rxb8 Rxb8 28.Qc1 Nb6 29.Qc6 Rc8 30.Qxd6 Qa4 31.Qe7 Nc4 32.Qb7 Re8 33.Nb2 Nxe3+ 34.Kf2 Qa5 35.Kxe3 Qxa2 36.Nd1 Qa5 37.Qc6 Bxd4+ 38.Rxd4 Qe1+ 39.Kf4 e5+ 40.Kg4 Rf8 41.Rd7 Qe2 42.h4 Kg7 43.Qe6 h5+ 44.Kg5 Kg8 45.Qf6 1-0