[Event "IBM"]
[Site "Amsterdam"]
[Date "1973.??.??"]
[Round "5"]
[White "Petrosian, Tigran V"]
[Black "Smejkal, Jan"]
[Result "1-0"]
[WhiteElo "2640"]
[BlackElo "2595"]
[ECO "A35"]

1.c4 Nf6 2.Nc3 c5 3.Nf3 Nc6 4.d4 cxd4 5.Nxd4 g6 6.Nc2 d6 7.g3 Bg7 8.Bg2 O-O
9.O-O Be6 10.b3 Qd7 11.Nd5 Bf5 12.Bb2 Nxd5 13.Bxg7 Kxg7 14.Bxd5 Bh3 15.Re1 h5
16.Ne3 h4 17.Rc1 hxg3 18.hxg3 Rh8 19.c5 Be6 20.Bg2 Rh5 21.cxd6 exd6 22.Qd2 Rah8
23.Red1 d5 24.Nxd5 Bxd5 25.Bxd5 Qh3 26.Bxc6 bxc6 27.Qc3+ Kh7 28.Qxc6 Qh2+
29.Kf1 Rc8 30.Qg2 Rxc1 31.Rxc1 Qh1+ 32.Qg1 Qd5 33.f3 Qd2 34.Re1 Qxa2 35.Qe3 Rh1+
36.Kf2 Rxe1 37.Kxe1 a5 38.Kf2 a4 39.bxa4 Qxa4 40.Qe5 Qc4 41.g4 Kg8 42.f4 Qb4
43.Qe8+ Kg7 44.Qe3 Kf8 45.Kg3 Qe1+ 46.Kg2 Qb4 47.Kh3 Qe1 48.Kg2 Qb4 49.Qe5 g5
50.Qxg5 Qe4+ 51.Kf2 Qd4+ 52.Kf3 Qc3+ 53.e3 Qc6+ 54.Kg3 Qh1 55.Qd8+ Kg7 56.Qd4+ Kh7
57.Qd3+ Kg7 58.Qd4+ f6 59.g5 Qg1+ 60.Kf3 Qf1+ 61.Ke4 Qb1+ 62.Kd5 Qb5+ 63.Kd6 Qa6+
64.Kc5 Qa3+ 65.Kc4 Kg8 66.Qd8+ Kh7 67.Qd3+  1-0

