| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. V Stoica vs C Ionescu |
| 0-1 | 41 | 1980 | Bucharest | B28 Sicilian, O'Kelly Variation |
| 27. E Prandstetter vs C Ionescu |
| ½-½ | 9 | 1980 | Bucharest | B43 Sicilian, Kan, 5.Nc3 |
| 28. A Beliavsky vs C Ionescu |
| ½-½ | 67 | 1980 | Bucharest | B42 Sicilian, Kan |
| 29. P Stefanov vs C Ionescu |
| 0-1 | 31 | 1980 | Bucharest | B41 Sicilian, Kan |
| 30. Chandler vs C Ionescu |
 | 1-0 | 39 | 1980 | Bucharest | D20 Queen's Gambit Accepted |
| 31. V Ciocaltea vs C Ionescu |
| ½-½ | 27 | 1980 | Bucharest | A07 King's Indian Attack |
| 32. C Ionescu vs N Spiridonov |
| ½-½ | 43 | 1980 | Bucharest | E66 King's Indian, Fianchetto, Yugoslav Panno |
| 33. Suba vs C Ionescu |
| 1-0 | 27 | 1981 | ROU-ch | D61 Queen's Gambit Declined, Orthodox, Rubinstein Attack |
| 34. F Oney vs C Ionescu |
| 0-1 | 57 | 1981 | Athens Balkaniad | A15 English |
| 35. C Ionescu vs B Abramovic |
| 0-1 | 53 | 1981 | Athens Balkaniad | D37 Queen's Gambit Declined |
| 36. C Ionescu vs G Trikaliotis |
| 1-0 | 40 | 1982 | Plovdiv Balkaniad | D43 Queen's Gambit Declined Semi-Slav |
| 37. R Asaturoglu vs C Ionescu |
| 0-1 | 41 | 1982 | Plovdiv Balkaniad | A65 Benoni, 6.e4 |
| 38. C Ionescu vs K Nasto |
| ½-½ | 48 | 1982 | Plovdiv Balkaniad | D91 Grunfeld, 5.Bg5 |
| 39. Z Krnic vs C Ionescu |
| 1-0 | 52 | 1982 | Plovdiv Balkaniad | A30 English, Symmetrical |
| 40. Smagin vs C Ionescu |
| ½-½ | 35 | 1985 | Naleczow | B42 Sicilian, Kan |
| 41. Blatny vs C Ionescu |
| 0-1 | 30 | 1985 | Naleczow | B22 Sicilian, Alapin |
| 42. C Ionescu vs Polugaevsky |
| ½-½ | 22 | 1985 | World Team Championship | A15 English |
| 43. M Ruefenacht vs C Ionescu |
| ½-½ | 15 | 1985 | World Team Championship | B43 Sicilian, Kan, 5.Nc3 |
| 44. G Flear vs C Ionescu |
| ½-½ | 17 | 1985 | World Team Championship | E00 Queen's Pawn Game |
| 45. C Ionescu vs K Bischoff |
| ½-½ | 34 | 1985 | World Team Championship | A92 Dutch |
| 46. C Ionescu vs I Farago |
| ½-½ | 59 | 1985 | World Team Championship | A34 English, Symmetrical |
| 47. N Ristic vs C Ionescu |
| 0-1 | 44 | 1986 | Bela Crkva Open | A70 Benoni, Classical with 7.Nf3 |
| 48. C Ionescu vs B Zivkovic |
| 1-0 | 27 | 1986 | Bela Crkva Open | A57 Benko Gambit |
| 49. C Ionescu vs M Ghinda |
| 0-1 | 46 | 1986 | Budapest Spring Open | E63 King's Indian, Fianchetto, Panno Variation |
| 50. Tal vs C Ionescu |
| ½-½ | 20 | 1986 | Chigorin Memorial | A46 Queen's Pawn Game |
Kibitzing
