| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 76. Mackenzie vs G Reichhelm |
| ½-½ | 34 | 1867 | Mackenzie - Reichhelm 2nd US Championship Match | C70 Ruy Lopez |
| 77. G Reichhelm vs Mackenzie |
 | 0-1 | 55 | 1867 | Mackenzie - Reichhelm 2nd US Championship Match | C51 Evans Gambit |
| 78. F Perrin vs Mackenzie |
| 0-1 | 21 | 1867 | Casual game | C58 Two Knights |
| 79. G Reichhelm vs Mackenzie |
| 0-1 | 24 | 1867 | Mackenzie - Reichhelm 2nd US Championship Match | C45 Scotch Game |
| 80. Mackenzie vs G Reichhelm |
| 1-0 | 29 | 1867 | Mackenzie - Reichhelm 2nd US Championship Match | C78 Ruy Lopez |
| 81. NN vs Mackenzie |
 | 0-1 | 18 | 1868 | New York | C40 King's Knight Opening |
| 82. Mackenzie vs Gerbel |
| 1-0 | 21 | 1868 | New York Cafe Europa Handicap | 000 Chess variants |
| 83. Mackenzie vs C Stanley |
| 1-0 | 26 | 1868 | Match | C39 King's Gambit Accepted |
| 84. C Stanley vs Mackenzie |
| 1-0 | 35 | 1868 | Match | C51 Evans Gambit |
| 85. Mackenzie vs C Stanley |
| 1-0 | 32 | 1868 | Match | C55 Two Knights Defense |
| 86. H Wernich vs Mackenzie |
| 0-1 | 50 | 1869 | Fourth Cafe Europa tournament | C54 Giuoco Piano |
| 87. F E Brenzinger vs Mackenzie |
| 1-0 | 42 | 1870 | Grand Tournament | C77 Ruy Lopez |
| 88. A Zerega vs Mackenzie |
| 0-1 | 29 | 1870 | Cafe International | C33 King's Gambit Accepted |
| 89. Mackenzie vs A Zerega |
| 1-0 | 19 | 1871 | Cafe International (Odds Nb1) | 000 Chess variants |
| 90. Mackenzie vs A Zerega |
| 1-0 | 19 | 1871 | Cafe International (Odds Ng1) | 000 Chess variants |
| 91. Mackenzie vs M Judd |
| ½-½ | 20 | 1871 | Judd - Mackenzie (Exhibition) | C45 Scotch Game |
| 92. M Judd vs Mackenzie |
| 0-1 | 35 | 1871 | Judd - Mackenzie (Exhibition) | C67 Ruy Lopez |
| 93. Mackenzie vs M Judd |
| 1-0 | 63 | 1871 | 2nd American Chess Congress, Cleveland | C77 Ruy Lopez |
| 94. P Ware vs Mackenzie |
| 0-1 | 44 | 1871 | 2nd American Chess Congress, Cleveland | A80 Dutch |
| 95. Mackenzie vs A Johnston |
| 1-0 | 23 | 1871 | 2nd American Chess Congress, Cleveland | C27 Vienna Game |
| 96. Mackenzie vs H D Smith |
| 1-0 | 22 | 1871 | 2nd American Chess Congress, Cleveland | C28 Vienna Game |
| 97. Mackenzie vs P Ware |
| 1-0 | 20 | 1871 | 2nd American Chess Congress, Cleveland | C01 French, Exchange |
| 98. H D Smith vs Mackenzie |
| 0-1 | 20 | 1871 | 2nd American Chess Congress, Cleveland | C67 Ruy Lopez |
| 99. H Hosmer vs Mackenzie |
| ½-½ | 49 | 1871 | 2nd American Chess Congress, Cleveland | C38 King's Gambit Accepted |
| 100. Mackenzie vs H Harding |
| ½-½ | 39 | 1871 | 2nd American Chess Congress, Cleveland | C45 Scotch Game |
Kibitzing
