| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. C Ionescu vs A Schmidt |
| 1-0 | 28 | 1988 | Berlin Open | E80 King's Indian, Samisch Variation |
| 2. C Ionescu vs W Wittmann |
| 1-0 | 39 | 1988 | Thessaloniki Olympiad | E80 King's Indian, Samisch Variation |
| 3. C Ionescu vs E Grivas |
| ½-½ | 35 | 1990 | Kavala Balkaniad | E80 King's Indian, Samisch Variation |
| 4. C Ionescu vs M Wahls |
 | 0-1 | 37 | 1990 | Novi Sad Olympiad | E80 King's Indian, Samisch Variation |
| 5. C Ionescu vs A Ardeleanu |
| 1-0 | 53 | 1992 | Romanian Championship | E80 King's Indian, Samisch Variation |
| 6. C Ionescu vs R Milu |
| ½-½ | 27 | 1992 | Romanian Championship | E80 King's Indian, Samisch Variation |
| 7. C Ionescu vs Timoshenko |
| 0-1 | 34 | 1993 | Bucharest | E80 King's Indian, Samisch Variation |
| 8. C Ionescu vs Kotronias |
| 1-0 | 51 | 1993 | Europe | E80 King's Indian, Samisch Variation |
| 9. C Ionescu vs J Maiwald |
| 1-0 | 47 | 1994 | Ciocaltea Memorial | E80 King's Indian, Samisch Variation |
| 10. C Ionescu vs C Arduman |
| 1-0 | 56 | 1994 | Varna Balkaniad | E80 King's Indian, Samisch Variation |
| 11. C Ionescu vs Kotronias |
| 1-0 | 38 | 1994 | Varna Balkaniad | E80 King's Indian, Samisch Variation |
| 12. C Ionescu vs V Nevednichy |
| 1-0 | 51 | 1994 | Romanian Championship | E80 King's Indian, Samisch Variation |
| 13. C Ionescu vs Kotronias |
| ½-½ | 30 | 1994 | Moscow Olympiad | E80 King's Indian, Samisch Variation |
| 14. C Ionescu vs Nisipeanu |
| ½-½ | 16 | 1995 | Ciocaltea Memorial | E80 King's Indian, Samisch Variation |
| 15. C Ionescu vs M Golubev |
| ½-½ | 55 | 1996 | Bucharest Super | E80 King's Indian, Samisch Variation |
| 16. C Ionescu vs J Michalek |
| ½-½ | 34 | 1998 | Komercni Banka Open | E80 King's Indian, Samisch Variation |
| 17. C Ionescu vs A Ardeleanu |
| 0-1 | 26 | 1999 | Radulescu Memorial | E80 King's Indian, Samisch Variation |
| 18. C Ionescu vs M Hebden |
| 1-0 | 41 | 2012 | Bunratty Masters | E80 King's Indian, Samisch Variation |
Kibitzing
