[Event "HUN-ch21"]
[Site "Budapest"]
[Date "1965.??.??"]
[Round "?"]
[White "Portisch, Lajos"]
[Black "Haag, Ervin"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D93"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bf4 O-O 6.Rc1 c6 7.e3 Be6 8.Ng5 Bf5
9.Qb3 Qb6 10.Qxb6 axb6 11.cxd5 Nxd5 12.Nxd5 cxd5 13.a3 Nc6 14.Bb5 Rfc8 15.O-O Na5
16.Bc7 Nc4 17.Bxc4 dxc4 18.Bf4 b5 19.e4  1/2-1/2

