[Event "Rubinstein Memorial-13"]
[Site "Polanica Zdroj"]
[Date "1975.08.15"]
[Round "8"]
[White "Rogoff, Kenneth"]
[Black "Knaak, Rainer"]
[Result "1/2-1/2"]

1. e4 c5 2. Nc3 e6 3. Nf3 d6 4. g3 Nf6 5. Bg2 Nc6 6. O-O a6 7. d4 cxd4 8. Nxd4 Bd7 9. Re1 Be7 10. Nxc6 Bxc6 11. a4 O-O 12. a5 Nd7 13. Be3 Qc7 14. Qd2 Rac8 15. Rec1 Bf6 16. Rd1 Ne5 17. Bb6 Qe7 18. b3 Nd7 19. Bd4 Rfd8 20. Ne2 Nc5 21. Qe3 e5 22. Bxc5 dxc5 23. Nc3 Rd4 24. Nd5 Bxd5 25. exd5 Qc7 26. c3 Rxd1+ 27. Rxd1 Qxa5 28. d6 Rd8 29. Rd5 Qa1+ 30. Bf1 Qb1 31. Qxc5 Qxb3 32. d7 e4 33. Re5 Bxe5 34. Qe7 g6 35. Qxd8+ Kg7 36. Qe7 Bc7 37. d8=Q Bxd8 38. Qxd8 Qxc3 39. Qd5 e3 40. Qxb7 exf2+ 41. Kg2 a5 42. Qf3 Qc7 43. Qxf2 Qc6+ 44. Kg1 Qc3 1/2-1/2