[Event "Keres Memorial-02"]
[Site "Tallinn"]
[Date "1979.03.11"]
[Round "14"]
[White "Knaak, Rainer"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
[WhiteElo "2565"]
[BlackElo "2610"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. cxd5 exd5 9. Ne5 Bd6 10. f4 c5 11. Rf3 g6 12. Bd2 Nc6 13. Rh3 cxd4 14. Nxc6 Bxc6 15. exd4 Ne4 16. f5 Qf6 17. Bxe4 dxe4 18. Qg4 Qxf5 19. Qh4 h5 20. Bh6 Rfe8 21. Rf1 Be7 22. Qg3 Qg4 23. Qe3 Rad8 24. Kh1 Qe6 25. Ne2 Bb5 26. Nf4 Qf5 27. Re1 h4 28. g4 Qxg4 29. Qb3 e3 30. Qxb5 Bd6 31. Qg5 Qxg5 32. Bxg5 f6 33. Bxf6 Bxf4 34. Bxd8 Rxd8 35. Rxh4 Rxd4 36. Rg4 Kh7 37. Re2 g5 38. Kg2 Kg6 39. Kf3 Kf5 40. Rg1 Rd8 41. h4 gxh4 42. Rg7 Rd1 43. Rf7+ Ke5 44. Re7+ 1/2-1/2