[Event "HUN-ch"]
[Site "?"]
[Date "1975.??.??"]
[Round "?"]
[White "Portisch, Lajos"]
[Black "Vadasz, Laszlo"]
[Result "1/2-1/2"]
[WhiteElo "2635"]
[BlackElo "2460"]
[ECO "D76"]

1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.g3 O-O 5.Bg2 d5 6.cxd5 Nxd5 7.O-O Nc6 8.Nc3 Nb6
9.e3 e5 10.d5 Na5 11.e4 Bg4 12.b3 c6 13.Ba3 Re8 14.h3 Bxf3 15.Qxf3 cxd5 16.exd5 f5
17.Rad1 e4 18.Qe3 Rc8 19.Nb5 Re5 20.Nxa7 Rc2 21.Nb5 Rxd5 22.Nd6 Rc3 23.Qe2 Rcd3
24.Rxd3 Rxd3 25.Rd1 Rxd1+ 26.Qxd1 Nc6 27.Bc5 Be5 28.b4 Bxd6 29.Qxd6 Qxd6
30.Bxd6 Nc8 31.Bc5 b6 32.Be3 Nxb4 33.Bf1 Nd3  1/2-1/2

