[Event "Bucharest Int 12th"]
[Site "Bucharest"]
[Date "1973.03.19"]
[Round "12"]
[White "Knaak, Rainer"]
[Black "Ostojic, Predrag"]
[Result "1-0"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 c5 5. Bg2 Nc6 6. O-O Be7 7. cxd5 exd5 8. b3 O-O 9. Bb2 Ne4 10. Nc3 Bf6 11. Na4 b5 12. Nxc5 Nxc5 13. Rc1 Nxb3 14. Qxb3 Qb6 15. Qxd5 Bb7 16. Qc5 Qa6 17. Qa3 Qb6 18. Rfd1 Rfe8 19. e3 Be7 20. Qd3 Nb4 21. Qb1 Bd5 22. a3 Qb7 23. Ne1 Bxg2 24. Nxg2 Nd5 25. Qd3 a6 26. e4 Nb6 27. d5 Rad8 28. Ne3 Bf8 29. Bd4 Rc8 30. Rxc8 Rxc8 31. d6 Nc4 32. e5 f6 33. exf6 Bxd6 34. Nf5 g6 35. Nh6+ Kf8 36. Be5 Rd8 37. Bxd6+ Rxd6 38. Qe2 Qd7 1-0