[Event "World U20 ch final B"]
[Site "Muenchenstein SUI"]
[Date "1959.08.04"]
[EventDate "1959.07.27"]
[Round "7"]
[Result "1/2-1/2"]
[White "Roberto Primavera"]
[Black "Hans-Ove Halen"]
[ECO "E53"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "51"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 c5 6.Nf3 d5 7.a3
Bxc3+ 8.bxc3 dxc4 9.Bxc4 Qc7 10.Ba2 Nc6 11.O-O e5 12.h3 e4
13.Nd2 Bf5 14.a4 Rfe8 15.Ba3 cxd4 16.cxd4 Rad8 17.Qe2 Rd7
18.Rfc1 Qd8 19.Nb3 Rc7 20.Rc5 Be6 21.Rac1 Rd7 22.R5c2 Bxb3
23.Bxb3 Nd5 24.Rb1 Na5 25.Ba2 h6 26.Rc5 1/2-1/2