[Event "18th olm qual. group 4"]
[Site "Lugano SUI"]
[Date "1968.10.18"]
[Round "1"]
[White "Rojas, Jose Joaquin CRC"]
[Black "Cantero, Ronaldo PAR"]
[Result "1/2-1/2"]
[ECO "A45"]
[EventDate "1968.10.17"]
[PlyCount "26"]

1.d4 Nf6 2.g3 g6 3.Bg2 Bg7 4.e4 d6 5.Ne2 O-O 6.O-O e5 7.d5 a5 8.a4 Na6 9.
Nbc3 Nc5 10.Be3 b6 11.f3 Ne8 12.Qd2 f5 13.f4 fxe4 1/2-1/2

