| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. J O'Keefe vs J Soudakoff |
| 1-0 | 36 | 1950 | 51st US Open | C97 Ruy Lopez, Closed, Chigorin |
| 2. C Brasket vs J O'Keefe |
| ½-½ | 35 | 1953 | 54th US Open | D56 Queen's Gambit Declined |
| 3. J O'Keefe vs M Pavey |
| 0-1 | 35 | 1953 | 54th US Open | C99 Ruy Lopez, Closed, Chigorin, 12...cd |
| 4. G Krauss vs J O'Keefe |
 | 0-1 | 23 | 1953 | 54th US Open | C00 French Defense |
| 5. L Evans vs J O'Keefe |
| 1-0 | 42 | 1953 | 54th US Open | D50 Queen's Gambit Declined |
| 6. J Cross vs J O'Keefe |
| 1-0 | 44 | 1953 | 54th US Open | E02 Catalan, Open, 5.Qa4 |
| 7. J O'Keefe vs A Sandrin |
| 1-0 | 38 | 1953 | 54th US Open | B85 Sicilian, Scheveningen, Classical |
| 8. D Vives vs J O'Keefe |
| 1-0 | 21 | 1954 | 55th US Open | C01 French, Exchange |
| 9. J O'Keefe vs E M Faust |
| 1-0 | 44 | 1954 | 55th US Open | C07 French, Tarrasch |
| 10. W F Gladney vs J O'Keefe |
| 1-0 | 41 | 1954 | 55th US Open | D40 Queen's Gambit Declined, Semi-Tarrasch |
| 11. V Berzzarins vs J O'Keefe |
| 1-0 | 37 | 1954 | 55th US Open | D50 Queen's Gambit Declined |
| 12. J O'Keefe vs J L Alexander |
| 1-0 | 47 | 1954 | 55th US Open | B27 Sicilian |
| 13. L H Weaks vs J O'Keefe |
| ½-½ | 30 | 1954 | 55th US Open | D68 Queen's Gambit Declined, Orthodox Defense, Classical |
| 14. J O'Keefe vs C Heising |
| 1-0 | 27 | 1954 | 55th US Open | C41 Philidor Defense |
| 15. E Godbold vs J O'Keefe |
| 0-1 | 31 | 1954 | 55th US Open | D56 Queen's Gambit Declined |
| 16. E Mednis vs J O'Keefe |
| ½-½ | 27 | 1956 | 57th US Open | B73 Sicilian, Dragon, Classical |
| 17. J O'Keefe vs A Di Camillo |
| ½-½ | 51 | 1956 | 57th US Open | C29 Vienna Gambit |
| 18. J O'Keefe vs J Araiza Munoz |
| 1-0 | 58 | 1956 | 57th US Open | C97 Ruy Lopez, Closed, Chigorin |
| 19. G Fuster vs J O'Keefe |
| 0-1 | 62 | 1956 | 57th US Open | A32 English, Symmetrical Variation |
| 20. J O'Keefe vs A Bisguier |
| 0-1 | 38 | 1956 | 57th US Open | E04 Catalan, Open, 5.Nf3 |
| 21. J O'Keefe vs J F Shaw |
| 1-0 | 20 | 1956 | 57th US Open | B63 Sicilian, Richter-Rauzer Attack |
| 22. I Theodorovich vs J O'Keefe |
| 1-0 | 28 | 1956 | 57th US Open | A07 King's Indian Attack |
| 23. J Medina Zavalia vs J O'Keefe |
| 0-1 | 42 | 1956 | 57th US Open | E87 King's Indian, Samisch, Orthodox |
| 24. J O'Keefe vs A Saidy |
| 0-1 | 29 | 1956 | 57th US Open | B62 Sicilian, Richter-Rauzer |
| 25. C C Crittenden vs J O'Keefe |
| ½-½ | 51 | 1956 | 57th US Open | A32 English, Symmetrical Variation |
Kibitzing
