[Event "Bucharest Int 19th"]
[Site "Bucharest"]
[Date "1980.03.04"]
[Round "1"]
[White "Ionescu, Constantin"]
[Black "Spiridonov, Nikola"]
[Result "1/2-1/2"]
[WhiteElo "2310"]
[BlackElo "2470"]

1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. Nf3 O-O 6. O-O Nc6 7. d4 d6 8. d5 Na5 9. Nd2 a6 10. Qc2 Rb8 11. b3 b5 12. Rb1 Bd7 13. h3 Qc7 14. Bb2 e5 15. Kh2 bxc4 16. bxc4 Rb4 17. Ba3 Rxb1 18. Rxb1 Bh6 19. e3 Bf5 20. Nce4 Nxe4 21. Bxe4 Bxe4 22. Qxe4 f5 23. Qd3 f4 24. exf4 exf4 25. Ne4 fxg3+ 26. fxg3 Bg7 27. Bb2 Bxb2 28. Rxb2 Qe7 29. Re2 Nb7 30. h4 Rf5 31. Ng5 Re5 32. Rxe5 Qxe5 33. Qf3 Nd8 34. Qg4 Qe7 35. Kh3 Qe1 36. Qf3 h6 37. Ne4 Nf7 38. Nf6+ Kg7 39. Nd7 Qe7 40. Qc3+ Kh7 41. Nf6+ Kh8 42. Ng4+ Kh7 43. Nf6+ Kh8 1/2-1/2