| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. N Whitaker vs R Lob |
 | ½-½ | 48 | 1910 | 10th Anglo-American universities cable m | C42 Petrov Defense |
| 27. S W Bampton vs N Whitaker |
| 0-1 | 28 | 1910 | Franklin CC - Mercantile Library CC | C88 Ruy Lopez |
| 28. P Driver vs N Whitaker |
| 0-1 | 23 | 1911 | Mercantile Library Chess Association ch | D32 Queen's Gambit Declined, Tarrasch |
| 29. N Whitaker vs H Kline |
| ½-½ | 45 | 1913 | American National | C90 Ruy Lopez, Closed |
| 30. N Whitaker vs Capablanca |
 | 0-1 | 66 | 1913 | American National | A46 Queen's Pawn Game |
| 31. Kupchik vs N Whitaker |
| 1-0 | 35 | 1913 | American National | C22 Center Game |
| 32. N Whitaker vs L Zapoleon |
| 1-0 | 30 | 1913 | American National | C14 French, Classical |
| 33. H Liebenstein vs N Whitaker |
| 0-1 | 51 | 1913 | American National | C43 Petrov, Modern Attack |
| 34. N Whitaker vs J H Stapfer |
| 0-1 | 29 | 1913 | American National | C15 French, Winawer |
| 35. C Jaffe vs N Whitaker |
| 1-0 | 27 | 1913 | American National | D02 Queen's Pawn Game |
| 36. N Whitaker vs O Chajes |
| 1-0 | 15 | 1913 | American National | C29 Vienna Gambit |
| 37. Marshall vs N Whitaker |
| 1-0 | 69 | 1913 | American National | D63 Queen's Gambit Declined, Orthodox Defense |
| 38. N Whitaker vs Janowski |
| 0-1 | 49 | 1913 | American National | B32 Sicilian |
| 39. J Morrison vs N Whitaker |
| 0-1 | 44 | 1913 | American National | D12 Queen's Gambit Declined Slav |
| 40. N Whitaker vs E Tenenwurzel |
| 1-0 | 27 | 1913 | American National | B07 Pirc |
| 41. N Whitaker vs H Yokoyama |
| 1-0 | 22 | 1913 | Georgetown - Johns Hopkins team match | C50 Giuoco Piano |
| 42. H Yokoyama vs N Whitaker |
| 0-1 | 18 | 1913 | Georgetown - Johns Hopkins team match | A01 Nimzovich-Larsen Attack |
| 43. Capablanca vs N Whitaker |
| 1-0 | 59 | 1915 | Simul, 16b | A10 English |
| 44. J W Fry vs N Whitaker |
| 0-1 | 30 | 1915 | 16th Western Championship | C27 Vienna Game |
| 45. N Whitaker vs D Barkuloo |
| 1-0 | 52 | 1915 | 16th Western Championship | C29 Vienna Gambit |
| 46. E Elliott vs N Whitaker |
| 0-1 | 35 | 1915 | 16th Western Championship | C47 Four Knights |
| 47. W J Platten vs N Whitaker |
| 0-1 | 28 | 1915 | 16th Western Championship | D60 Queen's Gambit Declined, Orthodox Defense |
| 48. N Whitaker vs H Hokensen |
| 1-0 | 42 | 1915 | 16th Western Championship | C87 Ruy Lopez |
| 49. N Whitaker vs W Moorman |
| 1-0 | 42 | 1915 | 16th Western Championship | C14 French, Classical |
| 50. C Erickson vs N Whitaker |
| 0-1 | 55 | 1915 | 16th Western Championship | B01 Scandinavian |
Kibitzing
