| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. R Krogius vs B Rasmusson |
| ½-½ | 28 | 1933 | Finnish Championship Match | D63 Queen's Gambit Declined, Orthodox Defense |
| 27. B Rasmusson vs R Krogius |
| ½-½ | 42 | 1933 | Finnish Championship Match | A84 Dutch |
| 28. R Krogius vs B Rasmusson |
 | 0-1 | 32 | 1933 | Finnish Championship Match | D51 Queen's Gambit Declined |
| 29. R Krogius vs I Niemela |
 | 1-0 | 18 | 1934 | Loviisa | E00 Queen's Pawn Game |
| 30. R Krogius vs I Niemela |
| 1-0 | 40 | 1934 | Loviisa | C71 Ruy Lopez |
| 31. T Vilen vs R Krogius |
| 1-0 | 31 | 1934 | Loviisa | C24 Bishop's Opening |
| 32. R Krogius vs G Loven |
| 1-0 | 27 | 1934 | Loviisa | B24 Sicilian, Closed |
| 33. T Gauffin vs R Krogius |
| ½-½ | 29 | 1934 | Loviisa | A54 Old Indian, Ukrainian Variation, 4.Nf3 |
| 34. R Krogius vs O Karlin |
| ½-½ | 38 | 1934 | Karlin - Krogius | C86 Ruy Lopez, Worrall Attack |
| 35. O Karlin vs R Krogius |
| ½-½ | 40 | 1934 | Karlin - Krogius | D38 Queen's Gambit Declined, Ragozin Variation |
| 36. R Krogius vs O Karlin |
| 0-1 | 44 | 1934 | Karlin - Krogius | C41 Philidor Defense |
| 37. Stahlberg vs R Krogius |
| 1-0 | 36 | 1935 | Helsinki2 | A84 Dutch |
| 38. B Rasmusson vs R Krogius |
| ½-½ | 20 | 1935 | Helsinki2 | D51 Queen's Gambit Declined |
| 39. R Krogius vs A Tschepurnoff |
| 1-0 | 40 | 1935 | Loviisa | A21 English |
| 40. R Krogius vs B Rasmusson |
| 1-0 | 42 | 1935 | Loviisa | B10 Caro-Kann |
| 41. E Sorensen vs R Krogius |
| 1-0 | 43 | 1935 | Warsaw Olympiad | E11 Bogo-Indian Defense |
| 42. C H Maderna vs R Krogius |
| 1-0 | 38 | 1935 | Warsaw Olympiad | E38 Nimzo-Indian, Classical, 4...c5 |
| 43. R Krogius vs I Vistaneckis |
| 0-1 | 58 | 1935 | Warsaw Olympiad | C07 French, Tarrasch |
| 44. L Laurine vs R Krogius |
| 0-1 | 34 | 1935 | Warsaw Olympiad | A81 Dutch |
| 45. V Winz vs R Krogius |
| ½-½ | 32 | 1935 | Warsaw Olympiad | C02 French, Advance |
| 46. Golombek vs R Krogius |
| 1-0 | 32 | 1935 | Warsaw Olympiad | A28 English |
| 47. R Krogius vs J Pelikan |
| 0-1 | 38 | 1935 | Warsaw Olympiad | B24 Sicilian, Closed |
| 48. K Havasi vs R Krogius |
| ½-½ | 30 | 1935 | Warsaw Olympiad | C10 French |
| 49. R Krogius vs J O'Hanlon |
| 1-0 | 24 | 1935 | Warsaw Olympiad | C07 French, Tarrasch |
| 50. R Krogius vs Keres |
| 0-1 | 35 | 1935 | Helsinki3 | C79 Ruy Lopez, Steinitz Defense Deferred |
Kibitzing
