[Event "Rubinstein Memorial-13"]
[Site "Polanica Zdroj"]
[Date "1975.08.10"]
[Round "4"]
[White "Plachetka, Jan"]
[Black "Knaak, Rainer"]
[Result "1-0"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 a6 7. g5 Nfd7 8. Bg2 b5 9. O-O Bb7 10. f4 Nc6 11. Be3 Nxd4 12. Qxd4 Rc8 13. a4 e5 14. Qa7 b4 15. Qxb7 bxc3 16. b4 Be7 17. h4 O-O 18. f5 Rb8 19. Qxa6 Rxb4 20. a5 d5 21. exd5 Rxh4 22. f6 Bb4 23. Qb5 Bd6 24. a6 e4 25. Rf2 Bh2+ 26. Kf1 Ne5 27. fxg7 Kxg7 28. a7 Qa8 29. Rf5 Kg8 30. Bf2 Rg4 31. Bh3 e3 32. Rxe5 Bxe5 33. Bxg4 exf2 34. Qc6 Bd4 35. Bf3 Rd8 36. d6 Qxc6 37. Bxc6 Bxa7 38. Rxa7 Rxd6 39. Be4 1-0