[Event "Bucharest Int 12th"]
[Site "Bucharest"]
[Date "1973.03.18"]
[Round "11"]
[White "Ungureanu, Emil"]
[Black "Spiridonov, Nikola"]
[Result "1/2-1/2"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 g6 4. e4 Nc6 5. d4 cxd4 6. Nxd4 d6 7. f3 Nxd4 8. Qxd4 Bg7 9. Be3 O-O 10. Qd2 Bd7 11. Rc1 Bc6 12. Be2 a5 13. O-O Nd7 14. b3 Nc5 15. Nd5 Bxd5 16. exd5 Qb6 17. Rb1 Qb4 18. Qc1 a4 19. a3 Qc3 20. b4 Nb3 21. Qxc3 Bxc3 22. Rfd1 Rac8 23. c5 dxc5 24. bxc5 Nxc5 25. Rb5 Nb3 26. Rxb7 Bb2 27. Bb5 Bxa3 28. Bxa4 Nc5 29. Ra7 Nxa4 30. Rxa4 Bd6 31. Rc1 Rb8 32. Bc5 Rb2 33. Bxd6 exd6 34. Ra6 Re8 35. Kh1 Ree2 36. Rg1 Rbd2 37. Rxd6 Kf8 38. h3 Ke7 39. Ra6 Rxd5 40. Raa1 Rg5 41. Ra6 Kf8 42. Ra4 h5 43. Kh2 Kg7 44. Rf4 Rb5 45. h4 Rb3 46. Kh3 1/2-1/2