[Event "18th olm qual. group 4"]
[Site "Lugano SUI"]
[Date "1968.10.23"]
[Round "6"]
[White "Donner, Jan NED"]
[Black "Rovira Mas, Jorge CRC"]
[Result "1-0"]
[ECO "E59"]
[EventDate "1968.10.17"]
[PlyCount "71"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 O-O 6.Nf3 d5 7.O-O Nc6 8.a3 Bxc3 
9.bxc3 dxc4 10.Bxc4 Qc7 11.Bd3 e5 12.Qc2 Re8 13.dxe5 Nxe5 14.Nxe5 Qxe5 15.
f3 Bd7 16.a4 Rac8 17.Re1 c4 18.Bf1 Qa5 19.e4 Nd5 20.Qf2 Nb6 21.Be3 Nxa4 
22.Bd4 Rc6 23.f4 b5 24.f5 f6 25.e5 fxe5 26.Rxe5 Rxe5 27.Bxe5 Qb6 28.Bd4 
Qd8 29.Qg3 Qf8 30.Qe5 Rf6 31.g4 Qd6 32.Bg2 Qxe5 33.Bxe5 Rf8 34.Rd1 Re8 35.
Bd5+ Kf8 36.Bd6+ 1-0

