Game |
| Result | Moves |
Year | Event/Locale | Opening |
1. A Chistiakov vs B M Kogan |
| 1-0 | 39 | 1961 | Soviet Army Championship | B18 Caro-Kann, Classical |
2. V Zheliandinov vs B M Kogan |
| 0-1 | 28 | 1961 | Soviet Army Championship | D44 Queen's Gambit Declined Semi-Slav |
3. B M Kogan vs V Vinkel |
| 1-0 | 39 | 1961 | Soviet Army Championship | C48 Four Knights |
4. B M Kogan vs Geller |
| ½-½ | 54 | 1961 | Ukrainian Team Championship | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
5. B M Kogan vs Breitman |
| 1-0 | 41 | 1962 | URS-ch sf Dnipropetrovsk | E40 Nimzo-Indian, 4.e3 |
6. I Lerner vs B M Kogan |
| 1-0 | 33 | 1962 | Soviet Army Team Championship | D25 Queen's Gambit Accepted |
7. B M Kogan vs Frenkel |
| 1-0 | 37 | 1962 | Soviet Army Championship | D35 Queen's Gambit Declined |
8. Y Rostovtsev vs B M Kogan |
| 0-1 | 45 | 1962 | Spartakiada Ukraine | D45 Queen's Gambit Declined Semi-Slav |
9. B M Kogan vs G Borisenko |
| 1-0 | 39 | 1962 | URS-ch sf Dnipropetrovsk | E40 Nimzo-Indian, 4.e3 |
10. I Yeropov vs B M Kogan |
| 1-0 | 33 | 1962 | All-Union Mass Tournament | B89 Sicilian |
11. D Ussakovsky vs B M Kogan |
| 1-0 | 41 | 1963 | Soviet Army Team Championship | B67 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7 |
12. B M Kogan vs V Makogonov |
| ½-½ | 41 | 1963 | Soviet Army Team Championship | A07 King's Indian Attack |
13. B M Kogan vs N Miasnikov |
| 1-0 | 54 | 1963 | Soviet Army Team Championship | D35 Queen's Gambit Declined |
14. E Kogan vs B M Kogan |
| 1-0 | 34 | 1963 | Soviet Army Team Championship | B01 Scandinavian |
15. B M Kogan vs V Tokarev |
| 1-0 | 40 | 1963 | Ukrainian Championship | E86 King's Indian, Samisch, Orthodox, 7.Nge2 c6 |
16. V Shiyanovsky vs B M Kogan |
| 0-1 | 60 | 1963 | Ukrainian Championship | B67 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7 |
17. B M Kogan vs A Bukhover |
| 1-0 | 41 | 1963 | Ukrainian Championship | D23 Queen's Gambit Accepted |
18. N Levin vs B M Kogan |
| 0-1 | 55 | 1963 | Ukrainian Championship | D43 Queen's Gambit Declined Semi-Slav |
19. B M Kogan vs Y Kots |
| 0-1 | 30 | 1963 | Ukrainian Championship | E81 King's Indian, Samisch |
20. B M Kogan vs Gufeld |
| ½-½ | 25 | 1963 | Ukrainian Championship | D91 Grunfeld, 5.Bg5 |
21. E Lazarev vs B M Kogan |
| 0-1 | 29 | 1963 | Ukrainian Championship | D24 Queen's Gambit Accepted |
22. B M Kogan vs B Ivanenko |
| 1-0 | 57 | 1963 | Ukrainian Championship | D35 Queen's Gambit Declined |
23. J Rotstein vs B M Kogan |
| ½-½ | 54 | 1963 | Ukrainian Championship | D94 Grunfeld |
24. B M Kogan vs V Berezhnoi |
| ½-½ | 41 | 1963 | Ukrainian Championship | A52 Budapest Gambit |
25. Tukmakov vs B M Kogan |
| ½-½ | 41 | 1963 | Ukrainian Championship | B14 Caro-Kann, Panov-Botvinnik Attack |