[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1978.01.22"]
[Round "3"]
[White "Portisch, Lajos"]
[Black "Andersson, Ulf"]
[Result "1/2-1/2"]
[WhiteElo "2630"]
[BlackElo "2545"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 b6 4. e4 Bb7 5. d3 c5 6. g3 Be7 7. Bg2 O-O 8. O-O a6 9. Re1 Nc6 10. b3 d6 11. d4 cxd4 12. Nxd4 Nxd4 13. Qxd4 Qc7 14. Bb2 Rab8 15. Rac1 Rfd8 16. Red1 Bf8 17. Ba3 Ba8 18. h3 h6 19. Bb4 Be7 20. Kh2 Ne8 21. Qe3 Nf6 22. e5 dxe5 23. Bxe7 Qxe7 24. Bxa8 Rxa8 25. Qxb6 h5 26. Qe3 Qc7 27. Re1 Nd7 28. Qg5 f5 29. Qxh5 e4 30. Red1 Ne5 31. Qe2 Kf7 32. Qh5+ Kg8 33. Kg2 Qc6 34. Qe2 Rd3 35. h4 Rf3 36. Kh3 Nd3 37. Qxf3 exf3 38. Rxd3 g5 39. Re1 Kf7 40. Rde3 Re8 41. g4 Rh8 42. h5 Qd6 43. Rxf3 Rxh5+ 44. Kg2 Qh2+ 45. Kf1 Rh3 46. Ree3 Rxf3 47. Rxf3 Kg6 48. Re3 Kf7 49. Rf3 Kg6 50. gxf5+ exf5 51. Nd5 Qe5 52. Re3 Qd4 53. Ne7+ Kf6 54. Nxf5 Kxf5 55. a4 Qd2 56. Kg2 Qc1 1/2-1/2