| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Tsvetkov vs O'Kelly |
| ½-½ | 45 |
1947 |
Zonal | B24 Sicilian, Closed |
| 2. Wade vs O'Kelly |
| 0-1 | 57 |
1949 |
OLdenburg | B28 Sicilian, O'Kelly Variation |
| 3. J Platt vs O'Kelly |
| ½-½ | 26 |
1949 |
Trencianske Teplice (Slovakia) | B28 Sicilian, O'Kelly Variation |
| 4. Rossolimo vs O'Kelly |
| 1-0 | 36 |
1949 |
Heidelberg | B85 Sicilian, Scheveningen, Classical |
| 5. J Sefc vs O'Kelly |
| ½-½ | 69 |
1949 |
Tr.Teplice | B28 Sicilian, O'Kelly Variation |
| 6. Rossolimo vs O'Kelly |
 | 1-0 | 24 |
1949 |
OLdenburg | B31 Sicilian, Rossolimo Variation |
| 7. P Tautvaisas vs O'Kelly |
| 1-0 | 35 |
1949 |
OLdenburg | B85 Sicilian, Scheveningen, Classical |
| 8. Rellstab vs O'Kelly |
| ½-½ | 68 |
1950 |
Bled (Slovenia) | B28 Sicilian, O'Kelly Variation |
| 9. C Poulsen vs O'Kelly |
 | 0-1 | 27 |
1950 |
Dubrovnik olm | B28 Sicilian, O'Kelly Variation |
| 10. H Kramer vs O'Kelly |
| ½-½ | 48 |
1950 |
Amsterdam (Netherlands) | B92 Sicilian, Najdorf, Opocensky Variation |
| 11. D Horne vs O'Kelly |
| ½-½ | 63 |
1953 |
Hastings | B62 Sicilian, Richter-Rauzer |
| 12. V Ciocaltea vs O'Kelly |
| 1-0 | 35 |
1953 |
Bucharest | B86 Sicilian, Fischer-Sozin Attack |
| 13. O Bernstein vs O'Kelly |
| 0-1 | 52 |
1954 |
Amsterdam | B93 Sicilian, Najdorf, 6.f4 |
| 14. J Boey vs O'Kelly |
| 0-1 | 22 |
1957 |
Belgian Ch | B97 Sicilian, Najdorf |
| 15. Pietzsch vs O'Kelly |
| 1-0 | 26 |
1960 |
Madrid, Spain | B23 Sicilian, Closed |
| 16. Karl Kopetzky vs O'Kelly |
| 0-1 | 49 |
1961 |
Baden | B40 Sicilian |
| 17. Kjelvig vs O'Kelly |
| 0-1 | 33 |
1962 |
Olympiad | B44 Sicilian |
| 18. Durao vs O'Kelly |
| ½-½ | 19 |
1962 |
Torremolinos | B93 Sicilian, Najdorf, 6.f4 |
| 19. Suer vs O'Kelly |
| 0-1 | 26 |
1962 |
Olympiad | B80 Sicilian, Scheveningen |
| 20. R Ortega vs O'Kelly |
| 0-1 | 70 |
1963 |
Memorial J.Capablanca | B41 Sicilian, Kan |
| 21. B Milic vs O'Kelly |
| ½-½ | 43 |
1963 |
Hoogovens | B92 Sicilian, Najdorf, Opocensky Variation |
| 22. A Matanovic vs O'Kelly |
| 1-0 | 41 |
1963 |
Hoogovens | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 23. Broderman vs O'Kelly |
| ½-½ | 51 |
1963 |
Memorial J.Capablanca | B28 Sicilian, O'Kelly Variation |
| 24. H Rossetto vs O'Kelly |
| ½-½ | 27 |
1964 |
Capablanca mem | B30 Sicilian |
| 25. E Jimenez-Zerguera vs O'Kelly |
| ½-½ | 31 |
1965 |
Havana | B61 Sicilian, Richter-Rauzer, Larsen Variation, 7.Qd2 |