[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1971.01.26"]
[Round "12"]
[White "Najdorf, Miguel"]
[Black "Mecking, Henrique"]
[Result "1/2-1/2"]

1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 Nc6 7. O-O e5 8. d5 Ne7 9. Nd2 c5 10. a3 Ne8 11. b4 b6 12. bxc5 bxc5 13. Nb3 f5 14. Bd2 Kh8 15. Rb1 Ng8 16. Nc1 Ngf6 17. f3 f4 18. Nd3 Nh5 19. Be1 Bf6 20. Bf2 Bh4 21. Bxh4 Qxh4 22. Qa4 Qd8 23. Rb2 Bd7 24. Qa6 Ng3 25. Rfb1 Nxe2+ 26. Rxe2 g5 27. h3 h5 28. Reb2 g4 29. hxg4 hxg4 30. fxg4 Qh4 31. Rf1 Rd8 32. g5 Qg3 33. Qa5 Ng7 34. Ne1 Qxg5 35. Nf3 Qh6 36. Kf2 Bg4 37. Ke1 Rd7 38. Kd2 Kg8 39. Kc1 Nh5 40. Kb1 Ng3 41. Re1 Qh5 42. Qa4 Rg7 43. Qd1 Rff7 44. Qd3 Rb7 45. Rxb7 Rxb7+ 46. Ka2 Kf8 47. Rb1 Qh7 48. Nd2 Qc7 49. Rxb7 Qxb7 50. Nf1 Nh5 51. Nh2 Bc8 52. Qf3 Ng3 53. Nf1 Nxf1 54. Qxf1 a6 55. g3 Qf7 56. gxf4 Qxf4 57. Qh1 Ke7 58. Kb3 1/2-1/2