| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 51. H Borochow vs Factor |
| ½-½ | 20 |
1931 |
Western Championship | C29 Vienna Gambit |
| 52. Reshevsky vs Factor |
| ½-½ | 91 |
1932 |
Pasadena | D05 Queen's Pawn Game |
| 53. Dake vs Factor |
| 1-0 | 58 |
1932 |
Pasadena, CA USA | A13 English |
| 54. Factor vs Kashdan |
| 0-1 | 33 |
1932 |
Pasadena | D46 Queen's Gambit Declined Semi-Slav |
| 55. J Araiza Munoz vs Factor |
| ½-½ | 63 |
1932 |
Pasadena | E00 Queen's Pawn Game |
| 56. Factor vs H Steiner |
| 0-1 | 45 |
1932 |
Pasadena | E12 Queen's Indian |
| 57. Fine vs Factor |
| 1-0 | 54 |
1932 |
Minnepolis | E00 Queen's Pawn Game |
| 58. F Reinfeld vs Factor |
| 1-0 | 62 |
1932 |
Western Championship | D35 Queen's Gambit Declined |
| 59. Factor vs H Borochow |
| 1-0 | 51 |
1932 |
Pasadena | E11 Bogo-Indian Defense |
| 60. Factor vs Fine |
| ½-½ | 49 |
1932 |
Pasadena | D11 Queen's Gambit Declined Slav |
| 61. Factor vs Alekhine |
 | ½-½ | 48 |
1932 |
Pasadena (06) | B02 Alekhine's Defense |
| 62. Reshevsky vs Factor |
| 1-0 | 29 |
1932 |
Western Championship | D52 Queen's Gambit Declined |
| 63. Factor vs R Willman |
| 0-1 | 29 |
1933 |
Western Championship | A46 Queen's Pawn Game |
| 64. Factor vs Fine |
| 0-1 | 33 |
1933 |
Western Championship | E34 Nimzo-Indian, Classical, Noa Variation |
| 65. Reshevsky vs Factor |
| ½-½ | 38 |
1933 |
Western Championship | E38 Nimzo-Indian, Classical, 4...c5 |
| 66. Factor vs Kashdan |
| ½-½ | 25 |
1935 |
Western Championship (Final) | C54 Giuoco Piano |
| 67. Factor vs Fine |
| ½-½ | 31 |
1935 |
ACF Congress | C54 Giuoco Piano |
| 68. A Simonson vs Factor |
| 0-1 | 31 |
1935 |
ACF Congress | C37 King's Gambit Accepted |
| 69. Fine vs Factor |
| 1-0 | 56 |
1935 |
Western Championship | E23 Nimzo-Indian, Spielmann |
| 70. Factor vs H Morton |
| 1-0 | 21 |
1935 |
ACF Congress | D93 Grunfeld, with Bf4 & e3 |
| 71. Reshevsky vs Factor |
| 1-0 | 46 |
1936 |
US Championship | D95 Grunfeld |
| 72. Factor vs S Bernstein |
| 0-1 | 52 |
1936 |
US Championship | E34 Nimzo-Indian, Classical, Noa Variation |
| 73. W Adams vs Factor |
 | 0-1 | 30 |
1936 |
US Championship | C15 French, Winawer |
| 74. Factor vs Fine |
| ½-½ | 32 |
1936 |
US Championship | B90 Sicilian, Najdorf |
| 75. Factor vs Kashdan |
| 0-1 | 66 |
1936 |
US Championship | B29 Sicilian, Nimzovich-Rubinstein |