[Event "Tilburg Interpolis"]
[Site "Tilburg NED"]
[Date "1979.11.06"]
[EventDate "1979.11.02"]
[Round "4"]
[Result "0-1"]
[White "Vasily Smyslov"]
[Black "Gyula Sax"]
[ECO "A49"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "108"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d6 6. Nc3 Nbd7
7. e4 e5 8. dxe5 dxe5 9. b3 b6 10. a4 Bb7 11. Nd2 Re8 12. Ba3
Bf8 13. Bxf8 Nxf8 14. Nc4 Ne6 15. Re1 Qd4 16. Nd5 Kg7 17. Qf3
Bxd5 18. exd5 e4 19. Qd1 Nxd5 20. Bxe4 Rad8 21. Bxd5 Qxd5
22. Qxd5 Rxd5 23. Rad1 Red8 24. Rxd5 Rxd5 25. Kg2 Kf6 26. Ne3
Rd2 27. Ng4+ Ke7 28. Ne3 Kd7 29. Rd1 Rxd1 30. Nxd1 Nd4 31. Ne3
Kd6 32. h4 Kc5 33. Kf1 Kb4 34. Ke1 Kc3 35. Kd1 c6 36. Kc1 Nf3
37. Nc4 f5 38. Nb2 f4 39. Nc4 Nd4 40. Ne5 fxg3 41. fxg3 c5
42. a5 Nxc2 43. axb6 axb6 44. Nd7 Nd4 45. Nxb6 Ne2+ 46. Kd1
Nxg3 47. Nd7 Kb4 48. Kc2 Nf5 49. Nf8 Nxh4 50. Nxh7 Nf5 51. Nf6
Nd4+ 52. Kd3 Kxb3 53. Nd7 Ne6 54. Ne5 g5 0-1