| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. E O'Hare vs A Dunkelblum |
| 0-1 | 36 | 1960 | Leipzig Olympiad qual-4 | B10 Caro-Kann |
| 2. A Galeb vs E O'Hare |
| 0-1 | 31 | 1960 | Leipzig Olympiad qual-4 | E58 Nimzo-Indian, 4.e3, Main line with 8...Bxc3 |
| 3. R Toran vs E O'Hare |
| 1-0 | 31 | 1960 | Leipzig Olympiad qual-4 | E26 Nimzo-Indian, Samisch |
| 4. E O'Hare vs K Darga |
| 0-1 | 28 | 1960 | Leipzig Olympiad qual-4 | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 5. E O'Hare vs D Drimer |
| 0-1 | 25 | 1960 | Leipzig Olympiad qual-4 | B28 Sicilian, O'Kelly Variation |
| 6. E O'Hare vs S Morales |
| 0-1 | 40 | 1960 | Leipzig Olympiad qual-4 | C97 Ruy Lopez, Closed, Chigorin |
| 7. E O'Hare vs E Cobo Arteaga |
| 0-1 | 31 | 1960 | Leipzig Olympiad qual-4 | B96 Sicilian, Najdorf |
| 8. E O'Hare vs J Salas Romo |
| 0-1 | 25 | 1960 | Leipzig Olympiad qual-4 | B98 Sicilian, Najdorf |
| 9. E O'Hare vs A Gouder |
| 1-0 | 43 | 1960 | Leipzig Olympiad Final-C | A07 King's Indian Attack |
| 10. J M Ribeiro vs E O'Hare |
| 1-0 | 45 | 1960 | Leipzig Olympiad Final-C | E41 Nimzo-Indian |
| 11. A Magrin vs E O'Hare |
| 0-1 | 42 | 1960 | Leipzig Olympiad Final-C | E56 Nimzo-Indian, 4.e3, Main line with 7...Nc6 |
| 12. G Salazar vs E O'Hare |
| ½-½ | 20 | 1960 | Leipzig Olympiad Final-C | E24 Nimzo-Indian, Samisch |
| 13. M Gabriel vs E O'Hare |
| ½-½ | 63 | 1960 | Leipzig Olympiad Final-C | B72 Sicilian, Dragon |
| 14. E O'Hare vs Fauconnier |
| ½-½ | 21 | 1960 | Leipzig Olympiad Final-C | B28 Sicilian, O'Kelly Variation |
| 15. E O'Hare vs K Mohsen |
| ½-½ | 31 | 1960 | Leipzig Olympiad Final-C | B80 Sicilian, Scheveningen |
| 16. E O'Hare vs G Linais |
| 1-0 | 31 | 1960 | Leipzig Olympiad Final-C | C05 French, Tarrasch |
| 17. E Konci vs E O'Hare |
| 1-0 | 25 | 1960 | Leipzig Olympiad Final-C | B72 Sicilian, Dragon |
| 18. E O'Hare vs E De Castro |
| 0-1 | 19 | 1960 | Leipzig Olympiad Final-C | B41 Sicilian, Kan |
| 19. E O'Hare vs F Omari |
| 0-1 | 75 | 1962 | Varna Olympiad qual-4 | C74 Ruy Lopez, Modern Steinitz Defense |
| 20. E O'Hare vs H Rossetto |
| 0-1 | 41 | 1962 | Varna Olympiad qual-4 | B32 Sicilian |
| 21. A Kinzel vs E O'Hare |
| ½-½ | 54 | 1962 | Varna Olympiad qual-4 | B56 Sicilian |
| 22. P Korning vs E O'Hare |
| ½-½ | 37 | 1962 | Varna Olympiad qual-4 | E18 Queen's Indian, Old Main line, 7.Nc3 |
| 23. R Ortega vs E O'Hare |
| 1-0 | 45 | 1962 | Varna Olympiad qual-4 | B76 Sicilian, Dragon, Yugoslav Attack |
| 24. L Barden vs E O'Hare |
 | 1-0 | 35 | 1962 | Varna Olympiad qual-4 | E21 Nimzo-Indian, Three Knights |
| 25. E O'Hare vs I Akakinci |
| ½-½ | 27 | 1962 | Varna Olympiad Final-C | B10 Caro-Kann |
Kibitzing
