[Event "18th olm qual. group 4"]
[Site "Lugano SUI"]
[Date "1968.10.24"]
[Round "7"]
[White "Lengyel, Levente HUN"]
[Black "Van der Laat Ulloa, Jorge CRC"]
[Result "1/2-1/2"]
[ECO "A23"]
[EventDate "1968.10.17"]
[PlyCount "85"]

1.c4 e5 2.Nc3 Nf6 3.g3 c6 4.Nf3 d6 5.Bg2 Be7 6.O-O Be6 7.b3 Qd7 8.Re1 Na6 
9.Bb2 Bh3 10.Bh1 Ng4 11.d4 Qf5 12.e4 Qh5 13.Ba3 Rd8 14.Qe2 O-O 15.dxe5 f5 
16.Rad1 fxe4 17.Nd4 Nxe5 18.Nxe4 Bg4 19.f3 Nxf3+ 20.Nxf3 Bxf3 21.Bxf3 Qxf3
22.Nxd6 Qxe2 23.Rxe2 Rd7 24.Rxe7 Rxe7 25.Nf5 Ref7 26.Bxf8 Rxf8 27.g4 Nc5 
28.b4 Ne6 29.Rd7 Rf7 30.Rxf7 Kxf7 31.Nd6+ Ke7 32.Nxb7 Nd4 33.a4 Kd7 34.Kf2
Nc2 35.b5 cxb5 36.cxb5 Kc7 37.Nc5 Kb6 38.Nb3 Na3 39.Ke3 Nc4+ 40.Kd4 Nb2 
41.Nc5 Ka5 42.h4 Kb4 43.h5 1/2-1/2

