Portisch, Lajos VS Sax, Gyula 1979.11.07

[Event "Interpolis-03"]
[Site "Tilburg"]
[Date "1979.11.07"]
[Round "6"]
[White "Portisch, Lajos"]
[Black "Sax, Gyula"]
[Result "1/2-1/2"]
[WhiteElo "2640"]
[BlackElo "2590"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e4 d6 6. Nge2 f5 7. d3 Nh6 8. h4 Nf7 9. h5 g5 10. exf5 Bxf5 11. Bd5 h6 12. Be3 Qd7 13. Qb3 Nd4 14. Bxd4 exd4 15. Qxb7 O-O 16. Bc6 Qe6 17. Bd5 Qf6 18. Ne4 Bxe4 19. Bxe4 Rab8 20. Qd5 Rxb2 21. f4 Kh8 22. c5 dxc5 23. Qxc5 Nd6 24. Rd1 Nxe4 25. dxe4 Qe6 26. e5 Qg4 27. Rh2 gxf4 28. Qxd4 Rxa2 29. gxf4 c5 30. Qe4 Rb2 31. Rd2 Rb4 32. Qg6 Rbxf4 33. Nxf4 Qxf4 34. Rhf2 Qe3+ 35. Rfe2 Qc3 36. Qe4 c4 37. Re3 Qa1+ 38. Rd1 Qa5+ 39. Ke2 c3 40. Rf3 Re8 41. Kf1 Qb5+ 42. Kg2 Bxe5 43. Rf5 Qb2+ 44. Rf2 Qb8 45. Rd7 Bg7 46. Re7 Rxe7 1/2-1/2