[Event "Buenos Aires Olympiad"]
[Site "Buenos Aires ARG"]
[Date "1978.10.31"]
[EventDate "1978.10.25"]
[Round "6"]
[Result "1/2-1/2"]
[White "Julio Ferreira"]
[Black "Roberto Navarro Segura"]
[ECO "E15"]
[WhiteElo "2210"]
[BlackElo "?"]
[Source "Olimpbase"]
[PlyCount "141"]

1.Nf3 Nf6 2.c4 e6 3.d4 b6 4.g3 Bb7 5.Bg2 c5 6.O-O d5 7.cxd5
exd5 8.Ne5 Nbd7 9.Qa4 cxd4 10.Bg5 Be7 11.Bh3 Bc8 12.Nc6 Qc7
13.Nxe7 Kxe7 14.Qxd4 Qe5 15.Qxe5+ Nxe5 16.Bg2 Bb7 17.Nc3 Ke6
18.Bh3+ Ke7 19.Rfd1 Rad8 20.Bg2 Ke6 21.Nb5 Kf5 22.Bf4 Rhe8
23.Rac1 a6 24.Nd4+ Kg6 25.Bh3 Ne4 26.Rc7 Nd6 27. Bxe5 Rxe5
28.Nc6 Bxc6 29.Rxc6 f6 30.e4 Nxe4 31.Rxb6 a5 32.f4 Re7 33.Bf1
d4 34.Rb5 a4 35.a3 Kf7 36.Bd3 Nd6 37.Rd5 Rb7 38.Bxh7 Rxb2
39.R1xd4 Ke7 40. Rxa4 Rc8 41.Rd1 f5 42.Ra7+ Kf8 43.Bg6 Rcc2
44.Ra8+ Ke7 45.Rh8 Ke6 46.Rh5 Ra2 47.Bh7 Ke7 48.Bg8 Rxa3
49.Bd5 Re3 50.Bg2 Ree2 51.Bf1 Rf2 52.Rh7 Ne8 53.Bd3 Rb2
54.Re1+ Kf7 55.Bxf5 Nf6 56.Rh8 g6 57.Be6+ Kg7 58.Rh4 Rg2+
59. Kh1 Rgd2 60.Bc4 Ne4 61.Bf1 g5 62.Rh5 Kg6 63.g4 Nf2+ 64.Kg1
gxf4 65.h3 Rb3 66.Re6+ Kg7 67.Re2 Rxe2 68.Bxe2 Nxh3+ 69.Kh2
Rb2 70.Kxh3 Rxe2 71.Rf5 1/2-1/2