[Event "Candidats reserve"]
[Site "Portoroz"]
[Date "1971.??.??"]
[Round "4"]
[White "Smyslov, Vassily"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2620"]
[BlackElo "2630"]
[ECO "B24"]

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 b6 6.Nh3 Bb7 7.O-O d6 8.f4 h6 9.f5 Bxc3
10.bxc3 g5 11.Nf2 Qc7 12.Ng4 Ne5 13.Ne3 Nf6 14.Qe2 Rg8 15.Nd5 Bxd5 16.exd5 Kd7
17.Re1 Ke8 18.Rb1 Kf8 19.d4 cxd4 20.cxd4 Nc4 21.Rb4 Rc8 22.Bf1 Na5 23.c4 Qd7
24.Qf3 Rc7 25.Bd3 Qc8 26.Qf1 Qd7 27.Bd2 Kg7 28.Rb5 Nb7 29.h4 g4 30.Qf4 Rh8
31.a4 Qc8 32.Kg2 Qd7 33.Kh2 Qc8 34.Rbb1 Qd7 35.Rb5 Qc8 36.Kg2 Qd7 37.Be2 Qc8
38.Kh2 Kf8 39.Rbb1 Na5 40.Bxa5 bxa5 41.Bd3 Rb7 42.Qd2 Rb4 43.Rxb4 axb4 44.Qxb4 Qc7
45.Rb1 Kg7 46.Rb2 Rd8 47.a5 Nd7 48.Qa4 Rb8 49.Rxb8 Qxb8 50.Qb5 Qc7 51.Kg2 Nf6
52.Kf2 Qd8 53.Qb4 Qc8 54.Kg2 Qd8 55.Kh2 Qc7 56.Qb5 Qd8 57.Bf1 Qc8 58.Qb1 Qd8
59.Qe1 Qc7 60.a6 Qc8 61.Qxe7 Qxa6 62.Qe2 Qa1 63.c5 Qxd4 64.c6 Qc3 65.Bg2 a5
66.Qe7 a4 67.Qxd6 a3 68.c7 a2 69.Qa6 Qxc7 70.Qxa2 Qe5 71.Qc2 Ne8 72.Qa4 h5  1/2-1/2

