[Event "Petropolis Interzonal"]
[Site "Petropolis"]
[Date "1973.??.??"]
[Round "10"]
[White "Hug, Werner"]
[Black "Polugaevsky, Lev"]
[Result "0-1"]
[WhiteElo "2445"]
[BlackElo "2640"]
[ECO "B40"]

1.e4 c5 2.Nf3 e6 3.Nc3 Nc6 4.g3 d5 5.exd5 exd5 6.Bg2 d4 7.Ne2 g6 8.O-O Bg7
9.c4 Nf6 10.d3 h6 11.a3 a5 12.Re1 O-O 13.Qc2 Bf5 14.h3 Re8 15.Bd2 g5 16.g4 Bg6
17.Ng3 Qd7 18.Rxe8+ Nxe8 19.Re1 Nd6 20.Nh2 Ne5 21.Ne4 Nxe4 22.Bxe4 Bxe4 23.Rxe4 f5
24.gxf5 Qxf5 25.f4 Ng6 26.fxg5 Qxh3 27.gxh6 Be5 28.Ng4 Rf8 29.Qd1 Nh4  0-1

