[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1971.01.15"]
[Round "4"]
[White "Kortschnoj, Viktor Lvovich"]
[Black "Najdorf, Miguel"]
[Result "1-0"]

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