| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. N Krogius vs B Ratner |
| 0-1 | 51 | 1951 | URS-ch sf Leningrad | E02 Catalan, Open, 5.Qa4 |
| 27. N Krogius vs Lisitsin |
| 0-1 | 38 | 1951 | URS-ch sf Leningrad | B76 Sicilian, Dragon, Yugoslav Attack |
| 28. Bondarevsky vs N Krogius |
| ½-½ | 26 | 1951 | URS-ch sf Leningrad | C07 French, Tarrasch |
| 29. N Krogius vs A Chistiakov |
| 0-1 | 42 | 1951 | URS-ch sf Leningrad | A10 English |
| 30. Tolush vs N Krogius |
| 0-1 | 34 | 1951 | URS-ch sf Leningrad | D37 Queen's Gambit Declined |
| 31. Smyslov vs N Krogius |
 | 1-0 | 50 | 1951 | URS-ch sf Leningrad | C89 Ruy Lopez, Marshall |
| 32. N Krogius vs O Moiseev |
| ½-½ | 30 | 1951 | URS-ch sf Leningrad | B76 Sicilian, Dragon, Yugoslav Attack |
| 33. E Terpugov vs N Krogius |
| 0-1 | 31 | 1951 | URS-ch sf Leningrad | E62 King's Indian, Fianchetto |
| 34. N Krogius vs N Aratovsky |
| 0-1 | 27 | 1952 | URS-chT | A53 Old Indian |
| 35. N Krogius vs Aronin |
| ½-½ | 25 | 1952 | RSFSR Championship | D01 Richter-Veresov Attack |
| 36. N Krogius vs V Skotorenko |
| 1-0 | 30 | 1953 | Russian Championship | D85 Grunfeld |
| 37. N Krogius vs Shamkovich |
| 0-1 | 41 | 1953 | Russian Championship | E95 King's Indian, Orthodox, 7...Nbd7, 8.Re1 |
| 38. R Nezhmetdinov vs N Krogius |
 | 1-0 | 62 | 1953 | Russian Championship | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 39. B Ratner vs N Krogius |
| 1-0 | 31 | 1953 | 3rd Soviet Team Championship Final | E61 King's Indian |
| 40. Veresov vs N Krogius |
| ½-½ | 43 | 1953 | Ch URS (team) (1/2 final) | A45 Queen's Pawn Game |
| 41. N Krogius vs A Chistiakov |
| 0-1 | 52 | 1953 | 3rd Soviet Team Championship Final | E46 Nimzo-Indian |
| 42. N Krogius vs G Borisenko |
| 1-0 | 20 | 1953 | 3rd Soviet Team Championship Final | B94 Sicilian, Najdorf |
| 43. N Krogius vs G Borisenko |
| 1-0 | 41 | 1953 | Ch URS (team) (1/2 final) | C79 Ruy Lopez, Steinitz Defense Deferred |
| 44. Lutikov vs N Krogius |
| ½-½ | 28 | 1954 | Russian Championship | B95 Sicilian, Najdorf, 6...e6 |
| 45. V Zurakhov vs N Krogius |
| ½-½ | 20 | 1954 | Russian Championship | C75 Ruy Lopez, Modern Steinitz Defense |
| 46. N Krogius vs V Skotorenko |
| 1-0 | 58 | 1954 | Russian Championship | E60 King's Indian Defense |
| 47. Shamkovich vs N Krogius |
| 1-0 | 37 | 1954 | Russian Championship | A15 English |
| 48. N Krogius vs Polugaevsky |
| ½-½ | 14 | 1954 | Russian Championship | B93 Sicilian, Najdorf, 6.f4 |
| 49. N Krogius vs N Aratovsky |
| 1-0 | 41 | 1954 | Russian Championship | A16 English |
| 50. T Olafsson vs N Krogius |
| 0-1 | 38 | 1954 | World Student Team Championship | E72 King's Indian |
Kibitzing
