| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Factor vs Rubinstein |
 | 0-1 | 61 |
1916 |
Lodz | C68 Ruy Lopez, Exchange |
| 2. Reshevsky vs Factor |
 | 0-1 | 26 |
1917 |
Lodz, Poland | C22 Center Game |
| 3. Factor vs Reti |
 | 1-0 | 33 |
1919 |
Rotterdam | D45 Queen's Gambit Declined Semi-Slav |
| 4. Reti vs Factor |
 | 1-0 | 23 |
1919 |
Rotterdam | C30 King's Gambit Declined |
| 5. Factor vs S T Sharp |
| 1-0 | 45 |
1921 |
8th American Chess Congress | C42 Petrov Defense |
| 6. S Mlotkowski vs Factor |
 | 0-1 | 36 |
1921 |
Atlantic City | C48 Four Knights |
| 7. Factor vs E S Jackson |
| 1-0 | 46 |
1921 |
8th American Chess Congress | C83 Ruy Lopez, Open |
| 8. Factor vs J B Harvey |
 | 1-0 | 14 |
1921 |
Atlantic City | C55 Two Knights Defense |
| 9. N Whitaker vs Factor |
| 1-0 | 46 |
1921 |
8th American Chess Congress | D67 Queen's Gambit Declined, Orthodox Defense, Bd3 line |
| 10. Factor vs J T Beckner |
| 1-0 | 59 |
1921 |
Western Championship | C84 Ruy Lopez, Closed |
| 11. Factor vs Marshall |
| ½-½ | 51 |
1921 |
8th American Chess Congress | C84 Ruy Lopez, Closed |
| 12. Factor vs N Whitaker |
 | 0-1 | 18 |
1921 |
Western Championship | C88 Ruy Lopez |
| 13. Factor vs C Jaffe |
| 0-1 | 39 |
1921 |
8th American Chess Congress | D51 Queen's Gambit Declined |
| 14. V Sournin vs Factor |
| 1-0 | 49 |
1921 |
8th American Chess Congress | A85 Dutch, with c4 & Nc3 |
| 15. I Spero vs Factor |
 | 1-0 | 72 |
1922 |
Western Championship | C80 Ruy Lopez, Open |
| 16. Showalter vs Factor |
| 0-1 | 46 |
1922 |
Western Championship | D60 Queen's Gambit Declined, Orthodox Defense |
| 17. E W Gruer vs Factor |
| 0-1 | 71 |
1922 |
Western Championship | C80 Ruy Lopez, Open |
| 18. Factor vs N Whitaker |
| 1-0 | 39 |
1922 |
Western Championship | E10 Queen's Pawn Game |
| 19. Ed Lasker vs Factor |
 | 0-1 | 40 |
1922 |
Western Championship | C83 Ruy Lopez, Open |
| 20. Factor vs F M Currier |
 | 1-0 | 17 |
1923 |
Western Championship | C41 Philidor Defense |
| 21. Factor vs N Whitaker |
| 1-0 | 41 |
1923 |
Western Championship | D63 Queen's Gambit Declined, Orthodox Defense |
| 22. Factor vs Reshevsky |
 | 1-0 | 22 |
1924 |
Western Championship | D46 Queen's Gambit Declined Semi-Slav |
| 23. Factor vs S Mlotkowski |
| 1-0 | 33 |
1924 |
Western Championship | D37 Queen's Gambit Declined |
| 24. Factor vs C Jaffe |
| 1-0 | 72 |
1925 |
Western Championship | D37 Queen's Gambit Declined |
| 25. Kupchik vs Factor |
| 1-0 | 41 |
1925 |
Western Championship (open) | C66 Ruy Lopez |