[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1971.??.??"]
[Round "4"]
[White "Kortschnoj, Viktor"]
[Black "Najdorf, Miguel"]
[Result "1-0"]
[WhiteElo "2660"]
[BlackElo "2560"]
[ECO "D41"]
[PlyCount "79"]

1.c4 Nf6 2.Nc3 e6 3.Nf3 d5 4.d4 c5 5.cxd5 Nxd5 6.e4 Nxc3 7.bxc3 cxd4 8.cxd4 Bb4+ 9.Bd2 Bxd2+ 10.Qxd2 O-O 11.Bc4 b6 12.O-O Bb7 13.Rfe1 Nd7 14.Rad1 Rc8 15.Bd3 Re8 16.Qe3 Rc3 17.e5 Qc7 18.Ng5 Nf8 19.Ne4 Bxe4 20.Qxe4 Rd8 21.h4 Qe7 22.Qg4 Ra3 23.Bc4 b5 24.Bb3 a5 25.d5 a4 26.dxe6 axb3 27.exf7+ Kh8 28.Rxd8 Qxd8 29.axb3 Qe7 30.e6 Ra6 31.f4 h6 32.f5 Nh7 33.Rc1 Ra8 34.Qf4 Nf6 35.Qc7 Qb4 36.Qc8+ Kh7 37.Qxa8 Qd4+ 38.Kf1 Qf4+ 39.Ke2 Qe5+ 40.Kd1 1-0