[Event "HUN-ch"]
[Site "?"]
[Date "1975.??.??"]
[Round "?"]
[White "Portisch, Lajos"]
[Black "Sax, Gyula"]
[Result "1/2-1/2"]
[WhiteElo "2635"]
[BlackElo "2510"]
[ECO "E66"]

1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.g3 O-O 5.Bg2 d6 6.Nc3 Nc6 7.O-O a6 8.d5 Na5
9.Nd2 c5 10.Qc2 Rb8 11.b3 b5 12.Bb2 Bh6 13.f4 bxc4 14.bxc4 e5 15.dxe6 fxe6
16.Nce4 Nxe4 17.Bxe4 d5 18.Bg2 Rxb2 19.Qxb2 Bg7 20.Qc2 Bxa1 21.Rxa1 dxc4
22.Nf3 Bb7 23.Rd1 Qe7 24.Ne5 Bxg2 25.Kxg2 Rd8 26.Rc1 Qd6 27.Nf3 Qd5 28.Qa4 Qe4
29.Kf2 Nc6 30.Qxa6 Nd4 31.Qxc4 Ra8 32.Ng5 Qd5 33.Qxc5 Qxc5 34.Rxc5 h6 35.Nf3 Nxf3
36.Kxf3 Rxa2 37.Rc7 Ra3+ 38.Ke4 Ra2 39.e3 Rxh2 40.Re7 h5 41.Rxe6 Kf7 42.Re5 h4
43.gxh4 Rxh4 44.Ra5 Rh3 45.Kd4 Rf3 46.Ra3 Kf6 47.Kd5 Rg3 48.Ra6+ Kf5 49.Kd4 Rg1
50.Ra5+ Kf6 51.Ke4 Rg3 52.Ra6+ Kf7 53.Kd4 Rf3 54.Rc6 Kg7 55.Rc3 Kf6 56.Kd5 Rg3
57.Rc6+ Kf5 58.Kd4 Rg1 59.Rc5+ Kf6 60.e4 Rd1+ 61.Ke3 Re1+ 62.Kd3 Rd1+ 63.Ke2 Rg1
64.Rd5 Rg3 65.Rd6+ Kf7 66.e5 Rg4 67.Ke3 Rg1 68.Kd4 Ke7 69.Rf6 Rd1+ 70.Ke3 Rg1
71.Kf3 Ke8 72.Ra6 Kf7 73.Rd6 Ke7 74.Ra6 Kf7 75.Ra2 Ke6 76.Rb2 Rf1+ 77.Kg3 Rg1+
78.Kf2 Rg4 79.Rb4 Ke7 80.Kf3 Rg1 81.Re4 Ke6 82.Re3 Kf7 83.e6+ Ke7 84.Re5 Ra1
85.Kg4 Rg1+ 86.Kh4 Rh1+ 87.Kg5 Rh5+ 88.Kxg6 Rxe5 89.fxe5 Kxe6 90.Kg5 Kxe5  1/2-1/2

