[Event "Sao Paulo Zonal"]
[Site "Sao Paulo BRA"]
[Date "1972.05.??"]
[EventDate "1972.05.20"]
[Round "8"]
[Result "0-1"]
[White "Roberto Silva Nazzari"]
[Black "Jorge Szmetan"]
[ECO "B43"]
[WhiteElo "2250"]
[BlackElo "?"]
[Source "Olimpbase"]
[PlyCount "160"]

1.e4 e6 2.d4 c5 3.Nf3 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.g3 Nf6 7.Bg2
Be7 8.O-O O-O 9.Nde2 Nc6 10.b3 b5 11.Bb2 Bb7 12.Nf4 Rac8
13.Qe2 Nd4 14.Qd3 Nc6 15. Rac1 Rfd8 16.Rfd1 Ne5 17.Qe2 d6
18.Nb1 Bc6 19.Nd2 b4 20.c4 Nfd7 21.Nd3 Nxd3 22.Qxd3 Bf6
23.Bxf6 Nxf6 24.Nf1 Qb7 25.f3 Qb6+ 26.Qd4 Qc7 27.Qd2 a5 28.Ne3
Bb7 29.Qd4 Kf8 30.Bh3 Ke7 31.Bg2 Qc5 32.Qxc5 Rxc5 33.Kf2 a4
34.Nc2 Rb8 35.Nd4 Bc6 36.Ke3 g6 37.Nc2 Ra5 38.Ra1 Nd7 39.Nd4
Rb6 40.Rab1 e5 41. Nc2 Nc5 42.Bh3 h5 43.Rd2 Ra8 44.Rf2 Be8
45.Rd2 Bc6 46.Rf2 h4 47.Rff1 Rh8 48.Rh1 axb3 49.axb3 Bb7
50.Rb2 hxg3 51.hxg3 f5 52.Bg2 f4+ 53.gxf4 exf4+ 54.Ke2 Rxh1
55.Bxh1 Kf6 56.Rb1 Ke5 57.Bg2 Bc8 58.Kf2 Be6 59.Bf1 g5 60.Be2
Rb7 61.Kg2 Rb8 62.Bd1 Bf7 63.Be2 Bg6 64.Rd1 Bf7 65.Rb1 Be6
66.Bd1 Bd7 67. Be2 Bc6 68.Kf2 g4 69.fxg4 Nxe4+ 70.Ke1 Nc3
71.Ra1 Be4 72.Ra5+ d5 73.Bd1 Rh8 74.Nxb4 Rh1+ 75.Kd2 Nxd1
76.Nxd5 Bxd5 77.Rxd5+ Ke4 78.Rd8 f3 79.Rf8 f2 80.Re8+ Kd4 0-1