[Event "Bucharest Int 10th"]
[Site "Bucharest"]
[Date "1971.06.21"]
[Round "9"]
[White "Ungureanu, Emil"]
[Black "Ribli, Zoltan"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 O-O 6. Rc1 c5 7. dxc5 Be6 8. Nd4 Nc6 9. Nxe6 fxe6 10. e3 Qa5 11. Qa4 Qxc5 12. Qb5 Qxb5 13. cxb5 Nb8 14. Be2 Nbd7 15. O-O Rac8 16. Na4 Ne4 17. Bc7 Kf7 18. Bd3 Nd2 19. Rfd1 Nc4 20. Bxc4 Rxc7 21. Bb3 Rfc8 22. Rxc7 Rxc7 23. Kf1 b6 24. e4 dxe4 25. Re1 Nf6 26. Nc3 h6 27. g3 Rd7 28. Nxe4 Nd5 29. Nc3 Bxc3 30. bxc3 Rd6 31. Rc1 Nf6 32. Ke2 Ne4 33. h4 Kf6 34. Ke3 Nc5 35. Bc2 Rd5 36. Rd1 Rxd1 37. Bxd1 e5 38. Bc2 g5 39. hxg5+ Kxg5 40. Kf3 h5 41. Ke3 h4 42. gxh4+ Kxh4 43. f4 exf4+ 44. Kxf4 Kh3 45. a4 Kg2 46. Ke5 Kf2 47. Kd5 Ke3 48. a5 Kd2 49. axb6 axb6 50. Kc6 Kxc2 51. Kxb6 Na4+ 52. Kc6 Kb3 53. Kd5 1/2-1/2