| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. B Rasmusson vs O Kaila |
| 0-1 | 34 | 1939 | FIN-ch playoff | E43 Nimzo-Indian, Fischer Variation |
| 27. O Kaila vs P Vaitonis |
| 1-0 | 37 | 1939 | Helsinki | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
| 28. Petrov vs O Kaila |
| 1-0 | 46 | 1939 | 3rd SELL Baltic Student Olympiad | E20 Nimzo-Indian |
| 29. E Lundin vs O Kaila |
| 0-1 | 50 | 1939 | Nordic Congress, Oslo | D44 Queen's Gambit Declined Semi-Slav |
| 30. O Kaila vs A Gulbrandsen |
| 1-0 | 31 | 1939 | Nordic Congress, Oslo | C33 King's Gambit Accepted |
| 31. E Book vs O Kaila |
| 1-0 | 21 | 1941 | Training Game | B95 Sicilian, Najdorf, 6...e6 |
| 32. Keres vs O Kaila |
 | 1-0 | 38 | 1943 | 03.12.43 | B18 Caro-Kann, Classical |
| 33. E Lundin vs O Kaila |
| ½-½ | 30 | 1945 | Match/Nation FIN-SWE | A04 Reti Opening |
| 34. O Kaila vs E Lundin |
| ½-½ | 32 | 1945 | Match/Nation FIN-SWE | B80 Sicilian, Scheveningen |
| 35. O Kaila vs E Jonsson |
| 1-0 | 41 | 1946 | Match/Nation FIN-SWE | B80 Sicilian, Scheveningen |
| 36. E Jonsson vs O Kaila |
| 1-0 | 42 | 1946 | Match/Nation FIN-SWE | E24 Nimzo-Indian, Samisch |
| 37. O Kaila vs E Jonsson |
| 0-1 | 33 | 1946 | Nordic Congress, Copenhagen | B80 Sicilian, Scheveningen |
| 38. O Kaila vs B Moller |
| ½-½ | 40 | 1946 | Nordic Congress, Copenhagen | C07 French, Tarrasch |
| 39. M Kupferstich vs O Kaila |
| 0-1 | 41 | 1946 | Nordic Congress, Copenhagen | C00 French Defense |
| 40. A Vestol vs O Kaila |
| 0-1 | 39 | 1946 | Nordic Congress, Copenhagen | A06 Reti Opening |
| 41. P Hage vs O Kaila |
| 0-1 | 26 | 1946 | Nordic Congress, Copenhagen | E33 Nimzo-Indian, Classical |
| 42. M Laisaari vs O Kaila |
| 1-0 | 42 | 1947 | FIN-ch | A18 English, Mikenas-Carls |
| 43. G Stoltz vs O Kaila |
| 1-0 | 39 | 1947 | Nordic Zonal, Helsinki | E40 Nimzo-Indian, 4.e3 |
| 44. O Kaila vs E Lundin |
| 0-1 | 61 | 1947 | Nordic Zonal, Helsinki | B58 Sicilian |
| 45. J Enevoldsen vs O Kaila |
| ½-½ | 30 | 1947 | Nordic Zonal, Helsinki | C18 French, Winawer |
| 46. O Kinnmark vs O Kaila |
| 1-0 | 35 | 1947 | Nordic Zonal, Helsinki | C18 French, Winawer |
| 47. O Kaila vs A Asgeirsson |
| 1-0 | 27 | 1947 | Nordic Zonal, Helsinki | B70 Sicilian, Dragon Variation |
| 48. J A Fred vs O Kaila |
| ½-½ | 27 | 1947 | Nordic Zonal, Helsinki | A46 Queen's Pawn Game |
| 49. O Kaila vs A Vestol |
| 1-0 | 41 | 1947 | Nordic Zonal, Helsinki | B58 Sicilian |
| 50. G Gudmundsson vs O Kaila |
| ½-½ | 27 | 1947 | Nordic Zonal, Helsinki | E11 Bogo-Indian Defense |
Kibitzing
