[Event "18th olm final B"]
[Site "Lugano SUI"]
[Date "1968.10.29"]
[Round "5"]
[White "Beyen, Roland BEL"]
[Black "Calvo Minguez, Ricardo ESP"]
[Result "0-1"]
[ECO "A31"]
[EventDate "1968.10.17"]
[PlyCount "68"]

1.d4 Nf6 2.c4 c5 3.Nf3 cxd4 4.Nxd4 g6 5.f3 d5 6.cxd5 Nxd5 7.e4 Nb4 8.Qa4+ 
N8c6 9.Nxc6 Nxc6 10.Be3 Bg7 11.Nc3 O-O 12.Rd1 Bd7 13.Qa3 e5 14.Bc4 Nd4 15.
Rd2 Rc8 16.Bd5 Qh4+ 17.Kd1 b5 18.Qxa7 b4 19.Ne2 Be6 20.Bxe6 Nxe6 21.Qa4 
Ra8 22.Qb3 Rfd8 23.Nc1 Bh6 24.Bxh6 Qxh6 25.Qxb4 Rxd2+ 26.Qxd2 Rd8 27.Nd3 
Nf4 28.Kc2 Rxd3 29.Qa5 Qf8 30.Qxe5 Qc8+ 31.Kb1 Ne2 32.a3 Rd2 33.h4 Qc2+ 
34.Ka1 Rd1+ 0-1

