[Event "FRG-ch International"]
[Site "Mannheim FRG"]
[Date "1975.03.??"]
[EventDate "1975.03.??"]
[Round "7"]
[Result "1/2-1/2"]
[White "Juergen Dueball"]
[Black "Ralph Mallee"]
[ECO "A34"]
[WhiteElo "?"]
[BlackElo "?"]
[Source "365chess"]
[PlyCount "30"]

1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.Nf3 c5 5.g3 g6 6.Qb3 Nb6 7.Ne4 c4 8.Qc3 Rg8 9.Bg2 Bg7 10.Qc2 Nc6 11.O-O Bg4 12.Qd1 Qd5 13.Nc3 Qd7 14.d3 cxd3 15.exd3 O-O-O 1/2-1/2