Game |
| Result | Moves |
Year | Event/Locale | Opening |
1. N Krogius vs N Aratovsky |
  | 1-0 | 12 | 1945 | ? | C41 Philidor Defense |
2. Petrosian vs N Krogius |
 | 1-0 | 36 | 1946 | URS-ch U18 | A26 English |
3. N Krogius vs Martjushov |
| 1-0 | 19 | 1948 | URS-qf Tula (Masters-Candidate Masters) | E17 Queen's Indian |
4. N Krogius vs Y Knyshenko |
| 0-1 | 61 | 1949 | RSFSR Championship | D38 Queen's Gambit Declined, Ragozin Variation |
5. N Krogius vs M Kamyshov |
| 1-0 | 22 | 1949 | RSFSR Championship | D47 Queen's Gambit Declined Semi-Slav |
6. N Krogius vs Bondarevsky |
| ½-½ | 51 | 1949 | URS-ch sf Leningrad | E53 Nimzo-Indian, 4.e3 |
7. A Ufimtsev vs N Krogius |
| ½-½ | 80 | 1949 | URS-ch sf Leningrad | A16 English |
8. N Krogius vs E Kuzminykh |
| ½-½ | 33 | 1949 | URS-ch sf Leningrad | A89 Dutch, Leningrad, Main Variation with Nc6 |
9. N Krogius vs N Kopilov |
| 0-1 | 31 | 1949 | URS-ch sf Leningrad | A57 Benko Gambit |
10. N Krogius vs Koblents |
| 1-0 | 40 | 1949 | URS-ch sf Leningrad | D90 Grunfeld |
11. Y Estrin vs N Krogius |
| ½-½ | 23 | 1949 | URS-ch sf Leningrad | C56 Two Knights |
12. V Zagorovsky vs N Krogius |
| 0-1 | 39 | 1949 | URS-ch sf Leningrad | C91 Ruy Lopez, Closed |
13. N Krogius vs Taimanov |
| ½-½ | 23 | 1949 | URS-ch sf Leningrad | D47 Queen's Gambit Declined Semi-Slav |
14. N Krogius vs V Tarasov |
| 0-1 | 49 | 1949 | URS-ch sf Leningrad | E68 King's Indian, Fianchetto, Classical Variation, 8.e4 |
15. G Ravinsky vs N Krogius |
| 1-0 | 56 | 1949 | URS-ch sf Leningrad | D85 Grunfeld |
16. J Randviir vs N Krogius |
| 0-1 | 46 | 1949 | URS-ch sf Leningrad | C77 Ruy Lopez |
17. N Krogius vs A Zamikhovsky |
| ½-½ | 65 | 1949 | URS-ch sf Leningrad | E07 Catalan, Closed |
18. N Krogius vs Levenfish |
| 1-0 | 54 | 1949 | URS-ch sf Leningrad | C77 Ruy Lopez |
19. P Dubinin vs N Krogius |
| 1-0 | 38 | 1949 | URS-ch sf Leningrad | D34 Queen's Gambit Declined, Tarrasch |
20. N Krogius vs E Zagoryansky |
| ½-½ | 43 | 1949 | URS-ch sf Leningrad | D53 Queen's Gambit Declined |
21. L Shamaev vs N Krogius |
| ½-½ | 95 | 1949 | URS-ch sf Leningrad | B20 Sicilian |
22. Lisitsin vs N Krogius |
 | 1-0 | 11 | 1949 | URS-ch sf Leningrad | A04 Reti Opening |
23. G Bastrikov vs N Krogius |
| 0-1 | 42 | 1951 | Russian Championship | C47 Four Knights |
24. N Krogius vs N Novotelnov |
| 1-0 | 32 | 1951 | Russian Championship | D46 Queen's Gambit Declined Semi-Slav |
25. N Krogius vs Shamkovich |
 | 1-0 | 30 | 1951 | Russian Championship | A70 Benoni, Classical with 7.Nf3 |