| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. K Georgiev vs C Ionescu |
| ½-½ | 16 | 1977 | World Junior Championship | B42 Sicilian, Kan |
| 2. C Ionescu vs N Grinberg |
| 1-0 | 45 | 1977 | World Junior Championship | B08 Pirc, Classical |
| 3. D Cramling vs C Ionescu |
| 0-1 | 92 | 1977 | World Junior Championship | A30 English, Symmetrical |
| 4. C Ionescu vs Chandler |
| 1-0 | 25 | 1977 | World Junior Championship | B21 Sicilian, 2.f4 and 2.d4 |
| 5. H Janssen vs C Ionescu |
| 1-0 | 51 | 1977 | World Junior Championship | A43 Old Benoni |
| 6. C Ionescu vs A Yap |
| 1-0 | 48 | 1977 | World Junior Championship | B29 Sicilian, Nimzovich-Rubinstein |
| 7. A Yusupov vs C Ionescu |
| ½-½ | 13 | 1977 | World Junior Championship | A34 English, Symmetrical |
| 8. C Ionescu vs S Rejaibi |
| 1-0 | 34 | 1977 | World Junior Championship | B90 Sicilian, Najdorf |
| 9. C Ionescu vs R Vera |
| ½-½ | 9 | 1977 | World Junior Championship | B90 Sicilian, Najdorf |
| 10. C Ionescu vs C Barry |
| ½-½ | 33 | 1977 | World Junior Championship | C93 Ruy Lopez, Closed, Smyslov Defense |
| 11. J O Fries-Nielsen vs C Ionescu |
| 1-0 | 26 | 1977 | World Junior Championship | A07 King's Indian Attack |
| 12. A Zapata vs C Ionescu |
| ½-½ | 42 | 1977 | World Junior Championship | B43 Sicilian, Kan, 5.Nc3 |
| 13. A Groszpeter vs C Ionescu |
| ½-½ | 56 | 1977 | World Junior Championship | B50 Sicilian |
| 14. C Ionescu vs P Nikolic |
| ½-½ | 62 | 1977 | Albena Balkaniad (boys) | B06 Robatsch |
| 15. D Donchev vs C Ionescu |
| 1-0 | 22 | 1977 | Albena Balkaniad (boys) | B23 Sicilian, Closed |
| 16. C Ionescu vs A C Yurtseven |
| ½-½ | 42 | 1977 | Albena Balkaniad (boys) | B30 Sicilian |
| 17. L Kokkinos vs C Ionescu |
| ½-½ | 64 | 1977 | Albena Balkaniad (boys) | B42 Sicilian, Kan |
| 18. C Ionescu vs K Kojder |
| 1-0 | 53 | 1980 | Bucharest | A17 English |
| 19. C Ionescu vs M Ghinda |
| ½-½ | 42 | 1980 | Bucharest | A37 English, Symmetrical |
| 20. E Prandstetter vs C Ionescu |
| ½-½ | 9 | 1980 | Bucharest | B43 Sicilian, Kan, 5.Nc3 |
| 21. C Ionescu vs T Ghitescu |
| 0-1 | 41 | 1980 | Bucharest | A28 English |
| 22. C Ionescu vs A Groszpeter |
| 1-0 | 39 | 1980 | Bucharest | A28 English |
| 23. C Ionescu vs N Spiridonov |
| ½-½ | 43 | 1980 | Bucharest | E66 King's Indian, Fianchetto, Yugoslav Panno |
| 24. Chandler vs C Ionescu |
 | 1-0 | 39 | 1980 | Bucharest | D20 Queen's Gambit Accepted |
| 25. S Grunberg vs C Ionescu |
| ½-½ | 19 | 1980 | Bucharest | D34 Queen's Gambit Declined, Tarrasch |
Kibitzing
