[Event "BRA-ch"]
[Site "Sao Paulo"]
[Date "1988.??.??"]
[Round "4"]
[White "Rocha, Antonio Cavilhas"]
[Black "Chemin, Vitorio"]
[Result "1/2-1/2"]
[WhiteElo "2335"]
[BlackElo "2200"]
[ECO "B66"]
[PlyCount "22"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 Qb6 7.Nb3 e6 8.Qd2 Be7 9.O-O-O a6 10.f3 Qc7 11.Be3 Ne5 1/2-1/2