| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. M Al-Modiahki vs C Onyekwere |
 | 1-0 | 30 |
2002 |
Bled Olympiad | B56 Sicilian |
| 2. D Ippolito vs C Onyekwere |
 | 1-0 | 27 |
2005 |
7th Foxwoods Open | D48 Queen's Gambit Declined Semi-Slav, Meran |
| 3. T Mirabile vs C Onyekwere |
| ½-½ | 40 |
2006 |
34th World Open | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |
| 4. M Hoekstra vs C Onyekwere |
| ½-½ | 55 |
2006 |
34th World Open | D13 Queen's Gambit Declined Slav, Exchange Variation |
| 5. Strenzwilk vs C Onyekwere |
 | 1-0 | 78 |
2006 |
34th World Open | B50 Sicilian |
| 6. O Zaikov vs C Onyekwere |
 | 0-1 | 42 |
2006 |
34th World Open | D11 Queen's Gambit Declined Slav |
| 7. C Onyekwere vs Nakamura |
 | 0-1 | 55 |
2006 |
34th World Open | B04 Alekhine's Defense, Modern |
| 8. C Onyekwere vs E Tegshsuren |
| ½-½ | 56 |
2006 |
34th World Open | B19 Caro-Kann, Classical |
| 9. Ananth Pappu vs C Onyekwere |
| 0-1 | 37 |
2006 |
34th World Open | B23 Sicilian, Closed |
| 10. C Onyekwere vs Bradford |
| ½-½ | 20 |
2007 |
Foxwoods Open | C00 French Defense |
| 11. C Onyekwere vs T Taylor |
 | 1-0 | 36 |
2007 |
Foxwoods Open | B00 Uncommon King's Pawn Opening |
| 12. A Velasquez vs C Onyekwere |
 | 0-1 | 20 |
2007 |
Foxwoods Open | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |
| 13. C Onyekwere vs M Molner |
| 0-1 | 38 |
2007 |
World Open | B08 Pirc, Classical |
| 14. Kamsky vs C Onyekwere |
 | 1-0 | 35 |
2007 |
Foxwoods Open | B97 Sicilian, Najdorf |
| 15. C Onyekwere vs B Fiedler |
 | 1-0 | 23 |
2007 |
Foxwoods Open | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |