| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. B M Kogan vs B Shatskes |
| 1-0 | 30 | 1965 | Spartak Championship | E86 King's Indian, Samisch, Orthodox, 7.Nge2 c6 |
| 52. B M Kogan vs O Dementiev |
| 1-0 | 38 | 1965 | Spartak Championship | D31 Queen's Gambit Declined |
| 53. E Mnatsakanian vs B M Kogan |
| 1-0 | 27 | 1965 | Spartak Championship | C13 French |
| 54. P Kondratiev vs B M Kogan |
| 1-0 | 20 | 1965 | Spartak Championship | B67 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7 |
| 55. B M Kogan vs R Ermakov |
| 1-0 | 40 | 1966 | Ukrainian Championship | A04 Reti Opening |
| 56. S Gershman vs B M Kogan |
| 0-1 | 33 | 1966 | Ukrainian Championship | A00 Uncommon Opening |
| 57. V Shiyanovsky vs B M Kogan |
| 1-0 | 38 | 1966 | Ukrainian Championship | B81 Sicilian, Scheveningen, Keres Attack |
| 58. J Yuchtman vs B M Kogan |
| 1-0 | 23 | 1966 | Ukrainian Championship | B40 Sicilian |
| 59. V M Bykov vs B M Kogan |
| ½-½ | 45 | 1966 | Ukrainian Championship | B10 Caro-Kann |
| 60. B M Kogan vs A Bannik |
| ½-½ | 69 | 1966 | Ukrainian Championship | A37 English, Symmetrical |
| 61. Tukmakov vs B M Kogan |
| 1-0 | 60 | 1966 | Ukrainian Championship | B80 Sicilian, Scheveningen |
| 62. B M Kogan vs N Zilberman |
| ½-½ | 57 | 1966 | Ukrainian Championship | E62 King's Indian, Fianchetto |
| 63. B M Kogan vs N Levin |
| 0-1 | 38 | 1966 | Ukrainian Championship | A07 King's Indian Attack |
| 64. Y Simkin vs B M Kogan |
| 0-1 | 35 | 1966 | Ukrainian Championship | E70 King's Indian |
| 65. B M Kogan vs Savon |
| 0-1 | 32 | 1966 | Ukrainian Championship | A07 King's Indian Attack |
| 66. B M Kogan vs Y Kots |
| ½-½ | 51 | 1966 | Ukrainian Championship | E62 King's Indian, Fianchetto |
| 67. K Lerner vs B M Kogan |
| ½-½ | 58 | 1966 | Ukrainian Championship | D43 Queen's Gambit Declined Semi-Slav |
| 68. V Zurakhov vs B M Kogan |
| ½-½ | 19 | 1966 | Ukrainian Championship | C77 Ruy Lopez |
| 69. B M Kogan vs V S Zhidkov |
| ½-½ | 13 | 1966 | Ukrainian Championship | E62 King's Indian, Fianchetto |
| 70. Y Nikolaevsky vs B M Kogan |
| 0-1 | 61 | 1966 | Ukrainian Championship | A03 Bird's Opening |
| 71. B M Kogan vs Y Sakharov |
| ½-½ | 18 | 1966 | Ukrainian Championship | C78 Ruy Lopez |
| 72. G Kalashnikov vs B M Kogan |
| 1-0 | 51 | 1967 | Ukrainian Championship | A05 Reti Opening |
| 73. J Yuchtman vs B M Kogan |
 | 1-0 | 48 | 1967 | Ukrainian Championship | B22 Sicilian, Alapin |
| 74. Alburt vs B M Kogan |
| 1-0 | 47 | 1967 | Ukrainian Championship | A36 English |
| 75. B M Kogan vs V Aginsky |
| 1-0 | 31 | 1967 | Ukrainian Championship | A14 English |
Kibitzing
