[Event "18th olm final B"]
[Site "Lugano SUI"]
[Date "1968.10.28"]
[Round "4"]
[White "Prins, Lodewijk NED"]
[Black "Rocha, Antonio Cavilhas BRA"]
[Result "1-0"]
[ECO "B28"]
[EventDate "1968.10.17"]
[PlyCount "69"]

1.e4 c5 2.Nf3 a6 3.c4 e6 4.Nc3 Nc6 5.d4 cxd4 6.Nxd4 Qc7 7.Be2 Nf6 8.Nc2 
Be7 9.O-O d6 10.Be3 O-O 11.Rc1 Nd7 12.Qd2 b6 13.Rfd1 Bb7 14.Bf4 Nce5 15.b3
Rfd8 16.Qe3 Ng6 17.Bg3 Rac8 18.Nd4 Qb8 19.f4 e5 20.Nf5 Bf8 21.fxe5 dxe5 
22.Qf3 Nc5 23.Nd5 Ne6 24.h4 Bxd5 25.cxd5 Rxc1 26.Rxc1 Nef4 27.Bf1 b5 28.
Bf2 Ne7 29.Nxe7+ Bxe7 30.g3 Ng6 31.Bh3 Nf8 32.Rc6 Rd6 33.Rc8 Qb7 34.Qc3 
Bd8 35.Qxe5 1-0

