[Event "18th olm qual. group 3"]
[Site "Lugano SUI"]
[Date "1968.10.22"]
[Round "5"]
[White "Calvo Minguez, Ricardo ESP"]
[Black "Dietrich, Norbert LUX"]
[Result "1-0"]
[ECO "C44"]
[EventDate "1968.10.17"]
[PlyCount "63"]

1.e4 Nf6 2.d3 d5 3.Nd2 Nc6 4.Ngf3 e5 5.Be2 Be7 6.c3 O-O 7.Qc2 Be6 8.O-O 
Nd7 9.b4 a6 10.a3 Re8 11.Bb2 Bf6 12.Rad1 Ne7 13.d4 exd4 14.Nxd4 Bxd4 15.
cxd4 Nf6 16.Bd3 dxe4 17.Nxe4 Nfd5 18.Nc5 Ng6 19.Nxe6 Rxe6 20.g3 c6 21.Bf5 
Re8 22.Rfe1 Qd6 23.h4 Nf8 24.Re5 f6 25.Re4 Rxe4 26.Qxe4 Qe7 27.Re1 Re8 28.
Qxe7 Rxe7 29.Rxe7 Nxe7 30.Bh3 Kf7 31.Kg2 Nd5 32.Bc8 1-0

