[Event "18th olm qual. group 5"]
[Site "Lugano SUI"]
[Date "1968.10.21"]
[Round "4"]
[White "Mecking, Henrique BRA"]
[Black "Keller, Dieter SUI"]
[Result "1-0"]
[ECO "C12"]
[EventDate "1968.10.17"]
[PlyCount "81"]

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bd2 Bxc3 7.bxc3 Ne4 8.Qg4 
Kf8 9.h4 c5 10.Bd3 Nxd2 11.Kxd2 Qa5 12.Rh3 cxd4 13.Ne2 Nc6 14.Rg3 Rg8 15.
f4 dxc3+ 16.Kd1 Ne7 17.Bh7 Nf5 18.Rd3 Qb6 19.Qh3 Qf2 20.Qf3 Qxf3 21.gxf3 
Nxh4 22.Bxg8 Kxg8 23.Rxc3 b6 24.Ra3 Bb7 25.Ke1 f6 26.Kf2 Kf7 27.Nd4 fxe5 
28.fxe5 Nf5 29.c3 g5 30.Rh1 Nxd4 31.cxd4 Kg6 32.Rc1 a5 33.Rb3 Ba6 34.Rxb6 
Bc4 35.Rxe6+ Kf7 36.Rxh6 Rb8 37.Rch1 Rb2+ 38.Kg3 Bd3 39.Rf6+ Ke7 40.Rh5 
Rxa2 41.Rxg5 1-0

