[Event "18th olm qual. group 4"]
[Site "Lugano SUI"]
[Date "1968.10.20"]
[Round "3"]
[White "Quesada, Roberto CRC"]
[Black "Schulman, Mark CAN"]
[Result "0-1"]
[ECO "E20"]
[EventDate "1968.10.17"]
[PlyCount "88"]

1.d4 e6 2.c4 Nf6 3.Nc3 Bb4 4.Bd2 b6 5.a3 Bxc3 6.Bxc3 Ne4 7.Qc2 Bb7 8.Nf3 
O-O 9.Rd1 d5 10.Nd2 Nxc3 11.Qxc3 Nd7 12.cxd5 exd5 13.e3 Rc8 14.Be2 c5 15.
O-O c4 16.Bf3 Nf6 17.Rfe1 Re8 18.Re2 Rc7 19.Rde1 Rce7 20.Qc2 b5 21.Nf1 a5 
22.Ng3 g6 23.h4 h5 24.Rb1 b4 25.axb4 axb4 26.Qd2 Qb6 27.Ree1 Rc7 28.Qc2 
Ra8 29.e4 dxe4 30.Nxe4 Nxe4 31.Bxe4 Qxd4 32.Rbd1 Bxe4 33.Rxe4 Qc5 34.Rdd4 
c3 35.b3 Ra1+ 36.Kh2 Qa7 37.Qe2 Qc5 38.Rc4 Qd6+ 39.g3 Rxc4 40.bxc4 b3 41.
Qe3 Qf6 42.Rf4 Qc6 43.f3 Ra2+ 44.Kh3 Qe6+ 0-1

