[Event "Fortaleza Zonal"]
[Site "Fortaleza BRA"]
[Date "1975.??.??"]
[EventDate "1975.10.18"]
[Round "4"]
[Result "1/2-1/2"]
[White "Francisco Trois"]
[Black "Raul Sanguineti"]
[ECO "B78"]
[WhiteElo "2310"]
[BlackElo "2530"]
[Source "Olimpbase"]
[PlyCount "66"]

1.Nf3 g6 2.e4 c5 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be3 Bg7 7.f3 Nc6 8.Bc4
O-O 9.Qd2 Bd7 10.O-O-O Qc7 11.Bb3 Rfc8 12.g4 Ne5 13.h4 Nc4 14.Bxc4 Qxc4
15.h5 b5 16.Kb1 b4 17.Nce2 a5 18.Bh6 Bh8 19.Nf5 Re8 20.Ne3 Qc5 21.Nf4 Bb5
22.hxg6 fxg6 23.Ned5 e6 24.Nxf6+ Bxf6 25.Qxd6 Qc4 26.Nd3 Ra7 27.Be3 Rc7
28.Rd2 Rd7 29.Ne5 Rxd6 30.Nxc4 Rxd2 31.Nxd2 Rd8 32.g5 Be7 33.Re1 e5
1/2-1/2