[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1972.01.18"]
[Round "7"]
[White "Portisch, Lajos"]
[Black "Savon, Vladimir A"]
[Result "1/2-1/2"]

1. Nf3 c5 2. c4 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O g6 6. b3 Bg7 7. Bb2 O-O 8. Nc3 Na6 9. Qb1 e6 10. Rd1 Qe7 11. d4 d5 12. cxd5 exd5 13. e3 Rad8 14. a3 Rfe8 15. Qc2 Ng4 16. h3 Nf6 17. Rac1 Bh6 18. Re1 Rc8 19. Qb1 Nc7 20. Rcd1 Ne6 21. dxc5 bxc5 22. Nb5 Rcd8 23. Qa1 Ne4 24. Nc3 f5 25. Nxe4 fxe4 26. Bf6 Qf7 27. Nh2 Bg7 28. Bxg7 Qxg7 29. Qxg7+ Kxg7 30. f3 d4 31. fxe4 d3 32. h4 c4 33. bxc4 Nc5 34. Nf1 Bxe4 35. Nd2 Bxg2 36. Kxg2 Rb8 37. e4 Rf8 38. Rb1 Rb6 39. Rxb6 axb6 40. Rb1 Rf6 41. Rf1 Re6 42. Kf3 Kf6 43. Ke3+ Ke7 44. Rf4 Rd6 45. e5 Rd8 46. Rf6 Nd7 47. Rd6 Ra8 48. Rxd3 Nxe5 49. Rb3 Nd7 50. Ne4 Ke6 51. Rd3 Ne5 52. Rd6+ Ke7 53. Kd4 Nd7 54. h5 gxh5 55. Rh6 Rxa3 56. Rxh7+ Ke6 57. Rh6+ Ke7 58. Rxh5 Ra1 59. Nc3 Rg1 60. Nd5+ Kf8 61. Rf5+ Kg7 62. Rf3 Rd1+ 63. Ke4 Kg6 64. Ra3 Kg5 65. Ra7 Nc5+ 66. Kf3 Rd3+ 67. Ne3 Rb3 68. g4 Kf6 69. Rh7 b5 70. Rh6+ Kf7 1/2-1/2