Game |
| Result | Moves |
Year | Event/Locale | Opening |
51. Duchamp vs F Lazard |
 | 0-1 | 45 | 1929 | Paris | E11 Bogo-Indian Defense |
52. Duchamp vs Znosko-Borovsky |
 | 0-1 | 19 | 1929 | Paris | E11 Bogo-Indian Defense |
53. Duchamp vs J A Seitz |
| 0-1 | 42 | 1929 | Paris | E10 Queen's Pawn Game |
54. Tartakower vs Duchamp |
 | ½-½ | 45 | 1929 | Paris | A04 Reti Opening |
55. Duchamp vs L Szwarcman |
 | 0-1 | 13 | 1929 | Paris | D47 Queen's Gambit Declined Semi-Slav |
56. Koltanowski vs Duchamp |
 | 0-1 | 15 | 1929 | Paris | E00 Queen's Pawn Game |
57. Duchamp vs Maroczy |
 | 0-1 | 22 | 1930 | Nice | D17 Queen's Gambit Declined Slav |
58. Duchamp vs Kostic |
| 0-1 | 45 | 1930 | Nice | A81 Dutch |
59. A J Maas vs Duchamp |
| 0-1 | 48 | 1930 | Nice | A47 Queen's Indian |
60. Duchamp vs J Araiza Munoz |
| ½-½ | 31 | 1930 | Nice | D11 Queen's Gambit Declined Slav |
61. Duchamp vs Tartakower |
 | 0-1 | 61 | 1930 | Nice | D37 Queen's Gambit Declined |
62. J O'Hanlon vs Duchamp |
| 0-1 | 34 | 1930 | Nice | B13 Caro-Kann, Exchange |
63. Duchamp vs B P Reilly |
 | 1-0 | 31 | 1930 | Nice | D50 Queen's Gambit Declined |
64. Colle vs Duchamp |
  | 1-0 | 31 | 1930 | Nice | A47 Queen's Indian |
65. Duchamp vs G Thomas |
| 0-1 | 38 | 1930 | Nice | E60 King's Indian Defense |
66. Maroczy vs Duchamp |
 | 1-0 | 19 | 1930 | Nice | B18 Caro-Kann, Classical |
67. Duchamp vs Znosko-Borovsky |
| ½-½ | 32 | 1930 | Nice | E20 Nimzo-Indian |
68. J A Seitz vs Duchamp |
| ½-½ | 22 | 1930 | Nice | B13 Caro-Kann, Exchange |
69. Tartakower vs Duchamp |
| 1-0 | 32 | 1930 | Paris | B12 Caro-Kann Defense |
70. Duchamp vs Znosko-Borovsky |
| ½-½ | 34 | 1930 | Paris | A90 Dutch |
71. J Mieses vs Duchamp |
  | 1-0 | 13 | 1930 | Paris | B15 Caro-Kann |
72. Marshall vs Duchamp |
 | ½-½ | 38 | 1930 | Hamburg Olympiad | E12 Queen's Indian |
73. G Stoltz vs Duchamp |
| 1-0 | 43 | 1930 | Hamburg Olympiad | B16 Caro-Kann, Bronstein-Larsen Variation |
74. S Landau vs Duchamp |
| 1-0 | 42 | 1930 | Hamburg Olympiad | E46 Nimzo-Indian |
75. Kmoch vs Duchamp |
| 1-0 | 35 | 1930 | Hamburg Olympiad | E24 Nimzo-Indian, Samisch |