[Event "Rubinstein Memorial-14"]
[Site "Polanica Zdroj"]
[Date "1976.08.15"]
[Round "9"]
[White "Popov, Luben"]
[Black "Knaak, Rainer"]
[Result "1/2-1/2"]
[WhiteElo "2430"]
[BlackElo "2520"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nd7 5. Nf3 e5 6. Be2 Ngf6 7. O-O O-O 8. Re1 c6 9. Bf1 a5 10. Rb1 Re8 11. d5 Nc5 12. b3 Bd7 13. dxc6 bxc6 14. h3 Qc7 15. Ba3 Nh5 16. Na4 Bf8 17. Nxc5 dxc5 18. Qd2 Ng7 19. Rbd1 Bc8 20. Qg5 Ne6 21. Qxe5 Qxe5 22. Nxe5 Nd4 23. Nd3 Nc2 24. Bxc5 Nxe1 25. Rxe1 a4 26. b4 a3 27. f3 Bg7 28. Kf2 f5 29. e5 Ba6 30. Rc1 Bxe5 31. Nxe5 Rxe5 32. Bd4 Re7 33. b5 Bb7 34. b6 Rd7 35. Be3 c5 36. Be2 Ra5 37. Rb1 Bc6 38. Rb3 Kf7 39. Bc1 Ke7 40. Re3+ Kd8 1/2-1/2