| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. O'Kelly vs O Bernstein |
 | 1-0 | 57 |
1946 |
Groningen | C71 Ruy Lopez |
| 27. Najdorf vs O'Kelly |
| ½-½ | 60 |
1946 |
Barcelona | D19 Queen's Gambit Declined Slav, Dutch |
| 28. O'Kelly vs W Koomen |
| 1-0 | 39 |
1946 |
Beverwijk NED | E20 Nimzo-Indian |
| 29. O'Kelly vs M Christoffel |
| 1-0 | 41 |
1946 |
Groningen | B81 Sicilian, Scheveningen, Keres Attack |
| 30. O'Kelly vs Yanofsky |
| 0-1 | 27 |
1946 |
Barcelona | D46 Queen's Gambit Declined Semi-Slav |
| 31. Flohr vs O'Kelly |
| 1-0 | 41 |
1946 |
Groningen | D15 Queen's Gambit Declined Slav |
| 32. A De Groot vs O'Kelly |
| 1-0 | 30 |
1946 |
Beverwijk NED | C65 Ruy Lopez, Berlin Defense |
| 33. O'Kelly vs E R Lundin |
| 0-1 | 30 |
1946 |
Groningen | D45 Queen's Gambit Declined Semi-Slav |
| 34. Boleslavsky vs O'Kelly |
| 1-0 | 30 |
1946 |
Groningen | C77 Ruy Lopez |
| 35. O'Kelly vs Rubinstein |
| 0-1 | 59 |
1946 |
Brussels, Belgium | C64 Ruy Lopez, Classical |
| 36. Stoltz vs O'Kelly |
| ½-½ | 31 |
1946 |
Beverwijk NED | D20 Queen's Gambit Accepted |
| 37. C Kottnauer vs O'Kelly |
| 0-1 | 24 |
1946 |
Groningen | E00 Queen's Pawn Game |
| 38. O'Kelly vs Wade |
| 0-1 | 54 |
1946 |
Barcelona Tt | C68 Ruy Lopez, Exchange |
| 39. O'Kelly vs Vidmar |
| ½-½ | 30 |
1946 |
Groningen | C47 Four Knights |
| 40. O'Kelly vs Denker |
| 0-1 | 66 |
1946 |
Groningen | B20 Sicilian |
| 41. O'Kelly vs T Van Scheltinga |
| 1-0 | 35 |
1946 |
Beverwijk NED | D45 Queen's Gambit Declined Semi-Slav |
| 42. O'Kelly vs Yanofsky |
| ½-½ | 54 |
1946 |
Groningen | E36 Nimzo-Indian, Classical |
| 43. Euwe vs O'Kelly |
| 1-0 | 35 |
1946 |
Groningen | E44 Nimzo-Indian, Fischer Variation, 5.Ne2 |
| 44. O'Kelly vs Tartakower |
| ½-½ | 38 |
1946 |
Groningen | B59 Sicilian, Boleslavsky Variation, 7.Nb3 |
| 45. O'Kelly vs Cortlever |
| ½-½ | 18 |
1946 |
Beverwijk (Netherlands) | D46 Queen's Gambit Declined Semi-Slav |
| 46. C Vlagsma vs O'Kelly |
| 0-1 | 21 |
1946 |
Beverwijk NED | C65 Ruy Lopez, Berlin Defense |
| 47. O'Kelly vs H Steiner |
| 0-1 | 48 |
1946 |
Groningen | C97 Ruy Lopez, Closed, Chigorin |
| 48. Kotov vs O'Kelly |
| 1-0 | 31 |
1946 |
Groningen | D28 Queen's Gambit Accepted, Classical |
| 49. H Kramer vs O'Kelly |
| 0-1 | 41 |
1946 |
Beverwijk NED | D06 Queen's Gambit Declined |
| 50. Smyslov vs O'Kelly |
| 1-0 | 41 |
1946 |
Groningen | E03 Catalan, Open |
