| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. Steinitz vs S Dubois |
  | ½-½ | 51 | 1862 | Steinitz - Dubois | C51 Evans Gambit |
| 52. S Dubois vs Lowenthal |
| ½-½ | 36 | 1862 | London | C39 King's Gambit Accepted |
| 53. S Dubois vs Steinitz |
| 0-1 | 56 | 1862 | Steinitz - Dubois | C50 Giuoco Piano |
| 54. S Dubois vs Steinitz |
| 1-0 | 37 | 1862 | Steinitz - Dubois | C54 Giuoco Piano |
| 55. S Dubois vs Steinitz |
| 1-0 | 29 | 1862 | Steinitz - Dubois | C45 Scotch Game |
| 56. S Dubois vs Steinitz |
| 0-1 | 54 | 1862 | Steinitz - Dubois | C45 Scotch Game |
| 57. A Mongredien vs S Dubois |
| ½-½ | 25 | 1862 | 5th BCA Congress, London | A84 Dutch |
| 58. S Dubois vs J Hannah |
| 1-0 | 36 | 1862 | 5th BCA Congress, London | C01 French, Exchange |
| 59. S Dubois vs A Mongredien |
| 1-0 | 29 | 1862 | 5th BCA Congress, London | C39 King's Gambit Accepted |
| 60. S Dubois vs Anderssen |
| 0-1 | 22 | 1862 | Thematic Match | C37 King's Gambit Accepted |
| 61. S Dubois vs Blackburne |
| ½-½ | 41 | 1862 | 5th BCA Congress, London | C00 French Defense |
| 62. S Dubois vs Steinitz |
| 0-1 | 37 | 1862 | 5th BCA Congress, London | C50 Giuoco Piano |
| 63. Paulsen vs S Dubois |
| 1-0 | 24 | 1862 | Casual game | C33 King's Gambit Accepted |
| 64. Paulsen vs S Dubois |
| 0-1 | 52 | 1862 | 5th BCA Congress, London | C33 King's Gambit Accepted |
| 65. T Barnes vs S Dubois |
| 0-1 | 35 | 1862 | 5th BCA Congress, London | C67 Ruy Lopez |
| 66. Anderssen vs S Dubois |
| 1-0 | 32 | 1862 | 5th BCA Congress, London | C33 King's Gambit Accepted |
| 67. S Dubois vs G Dufresne |
| ½-½ | 40 | 1863 | Rotterdam | C29 Vienna Gambit |
| 68. S Dubois vs G Dufresne |
| 1-0 | 46 | 1863 | Rotterdam | C29 Vienna Gambit |
| 69. S Dubois vs W Verbeek |
| 1-0 | 28 | 1863 | Reunion | C39 King's Gambit Accepted |
| 70. S Dubois vs W Verbeek |
| 1-0 | 39 | 1863 | Reunion | B40 Sicilian |
| 71. S Dubois vs Smalt |
| 1-0 | 28 | 1864 | Rotterdam | C39 King's Gambit Accepted |
| 72. Smalt vs S Dubois |
| 0-1 | 28 | 1864 | Rotterdam | C39 King's Gambit Accepted |
| 73. A Bonaparte vs S Dubois |
| 0-1 | 28 | 1866 | Florence | C44 King's Pawn Game |
| 74. S Dubois vs Baruch |
| 1-0 | 23 | 1866 | Florence | C28 Vienna Game |
| 75. S Dubois vs N Leuchtenberg |
| 1-0 | 24 | 1873 | Rome | C23 Bishop's Opening |
Kibitzing
