[Event "Keres Memorial-02"]
[Site "Tallinn"]
[Date "1979.03.06"]
[Round "10"]
[White "Knaak, Rainer"]
[Black "Sax, Gyula"]
[Result "0-1"]
[WhiteElo "2565"]
[BlackElo "2590"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Be3 b6 9. h4 Nc6 10. h5 Na5 11. hxg6 hxg6 12. Bd3 e5 13. Ne2 Re8 14. Qd2 exd4 15. cxd4 c5 16. Bg5 Bf6 17. Bxf6 Qxf6 18. e5 Qg7 19. Qg5 Nc6 20. f4 cxd4 21. Rh6 Bb7 22. Kd2 Nxe5 23. fxe5 Rxe5 24. Qh4 Bxg2 25. Rg1 Bf3 26. Nf4 g5 27. Qh2 Ra5 28. a3 Qe5 29. Re6 Qh8 30. Rh6 Qe5 31. Re6 Qh8 32. Qxh8+ Kxh8 33. Rh6+ Kg7 34. Rh3 Bc6 35. Nh5+ Kf8 36. Bc4 g4 37. Rxg4 Bd7 38. Nf4 Ke7 39. Rgg3 Bxh3 40. Rxh3 Rc8 41. Ba2 Rc3 42. Rh7 Rf3 43. Ne2 Raxa3 44. Bd5 Rf2 45. Bc4 Ra4 46. Bd3 Ra2+ 47. Ke1 Rf3 48. Bc4 Rb2 49. Rh4 d3 50. Re4+ Kf8 0-1