| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. L M Kovacs vs T Filep |
| 1-0 | 41 | 1965 | Hungarian Championship | C86 Ruy Lopez, Worrall Attack |
| 52. L Navarovszky vs L M Kovacs |
| 0-1 | 57 | 1965 | Hungarian Championship | D05 Queen's Pawn Game |
| 53. L Liptay vs L M Kovacs |
| 1-0 | 40 | 1965 | Hungarian Championship | A06 Reti Opening |
| 54. I Bilek vs L M Kovacs |
| ½-½ | 41 | 1965 | Hungarian Championship | D30 Queen's Gambit Declined |
| 55. L M Kovacs vs I Polgar |
| 0-1 | 40 | 1965 | Hungarian Championship | C96 Ruy Lopez, Closed |
| 56. F Portisch vs L M Kovacs |
| 1-0 | 69 | 1965 | Hungarian Championship | D52 Queen's Gambit Declined |
| 57. L M Kovacs vs Forintos |
| 1-0 | 69 | 1965 | Hungarian Championship | C93 Ruy Lopez, Closed, Smyslov Defense |
| 58. P Dely vs L M Kovacs |
| 0-1 | 39 | 1965 | Hungarian Championship | A08 King's Indian Attack |
| 59. E Varnusz vs L M Kovacs |
| 0-1 | 41 | 1965 | Hungarian Championship | C95 Ruy Lopez, Closed, Breyer |
| 60. K Honfi vs L M Kovacs |
| 1-0 | 41 | 1965 | Hungarian Championship | C77 Ruy Lopez |
| 61. L M Kovacs vs Csom |
| 0-1 | 104 | 1965 | Hungarian Championship | B23 Sicilian, Closed |
| 62. L M Kovacs vs Portisch |
| ½-½ | 40 | 1965 | Hungarian Championship | C95 Ruy Lopez, Closed, Breyer |
| 63. L M Kovacs vs E Haag |
| ½-½ | 66 | 1965 | Hungarian Championship | C81 Ruy Lopez, Open, Howell Attack |
| 64. F Koberl vs L M Kovacs |
| ½-½ | 54 | 1965 | Hungarian Championship | A28 English |
| 65. L M Kovacs vs I Bokor |
| 0-1 | 39 | 1965 | Hungarian Championship | E61 King's Indian |
| 66. L M Kovacs vs L Barczay |
| 0-1 | 44 | 1965 | Hungarian Championship | B45 Sicilian, Taimanov |
| 67. L M Kovacs vs J Foldi |
| 1-0 | 56 | 1965 | Hungarian Championship | C91 Ruy Lopez, Closed |
| 68. L M Kovacs vs Furman |
 | ½-½ | 49 | 1966 | Czechoslovak Championship (International) | B44 Sicilian |
| 69. L M Kovacs vs Janosevic |
| 0-1 | 39 | 1966 | Czechoslovak Championship (International) | E80 King's Indian, Samisch Variation |
| 70. Taimanov vs L M Kovacs |
| ½-½ | 66 | 1966 | Czechoslovak Championship (International) | D37 Queen's Gambit Declined |
| 71. L M Kovacs vs B Malich |
| 0-1 | 46 | 1966 | Czechoslovak Championship (International) | D78 Neo-Grunfeld, 6.O-O c6 |
| 72. L M Kovacs vs N Padevsky |
| ½-½ | 12 | 1966 | Czechoslovak Championship (International) | D32 Queen's Gambit Declined, Tarrasch |
| 73. Jansa vs L M Kovacs |
| 1-0 | 38 | 1966 | Czechoslovak Championship (International) | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 74. L M Kovacs vs I Bilek |
| ½-½ | 17 | 1966 | Czechoslovak Championship (International) | C93 Ruy Lopez, Closed, Smyslov Defense |
| 75. Hort vs L M Kovacs |
| 0-1 | 40 | 1966 | Czechoslovak Championship (International) | D57 Queen's Gambit Declined, Lasker Defense |
Kibitzing
