Game |
| Result | Moves |
Year | Event/Locale | Opening |
26. Reti / Mayer / A Steiner vs Lasker / Szavay |
 | ½-½ | 54 | 1917 | Consultation game | C86 Ruy Lopez, Worrall Attack |
27. J Sawyer vs Marshall |
| ½-½ | 33 | 1918 | Marshall Simul 32b | C86 Ruy Lopez, Worrall Attack |
28. G Thomas vs H Saunders |
| 0-1 | 32 | 1919 | City of London CC Murton Cup | C86 Ruy Lopez, Worrall Attack |
29. Reti vs P van Hoorn |
| 1-0 | 36 | 1919 | Amsterdam | C86 Ruy Lopez, Worrall Attack |
30. O Chajes vs Kupchik |
| 1-0 | 53 | 1919 | Rice-Progressive Chess Club-ch | C86 Ruy Lopez, Worrall Attack |
31. G Schories vs C Ahues |
 | 1-0 | 45 | 1921 | 21. DSB Kongress | C86 Ruy Lopez, Worrall Attack |
32. Reti vs Gruenfeld |
 | ½-½ | 48 | 1922 | Teplitz-Schonau | C86 Ruy Lopez, Worrall Attack |
33. Reti vs Kmoch |
 | 1-0 | 52 | 1922 | Vienna | C86 Ruy Lopez, Worrall Attack |
34. Reti vs Rubinstein |
  | 0-1 | 40 | 1922 | Vienna | C86 Ruy Lopez, Worrall Attack |
35. W Fick vs H Norman-Hansen |
| 0-1 | 36 | 1923 | Scheveningen | C86 Ruy Lopez, Worrall Attack |
36. C Guarini vs A Sacconi |
| 0-1 | 43 | 1923 | Trieste Master Tournament | C86 Ruy Lopez, Worrall Attack |
37. E A Carver vs D LeDain |
| 0-1 | 27 | 1924 | Canadian Championship | C86 Ruy Lopez, Worrall Attack |
38. S Rozental vs A Selezniev |
| 0-1 | 30 | 1924 | USSR Championship | C86 Ruy Lopez, Worrall Attack |
39. Yates vs H B Uber |
| 1-0 | 63 | 1925 | British Championship | C86 Ruy Lopez, Worrall Attack |
40. H Saunders vs G W Moses |
| 1-0 | 51 | 1925 | British Championship | C86 Ruy Lopez, Worrall Attack |
41. L Fick vs H Meyer |
| ½-½ | 19 | 1926 | Dutch Championship | C86 Ruy Lopez, Worrall Attack |
42. Kashdan vs Kupchik |
 | ½-½ | 96 | 1926 | Chicago Masters | C86 Ruy Lopez, Worrall Attack |
43. C Jaffe vs L Isaacs |
 | 0-1 | 25 | 1926 | Chicago Masters | C86 Ruy Lopez, Worrall Attack |
44. Alekhine vs Euwe |
 | ½-½ | 43 | 1926 | Alekhine - Euwe Training Match | C86 Ruy Lopez, Worrall Attack |
45. Alekhine vs L Asztalos |
 | ½-½ | 49 | 1927 | Kecskemet | C86 Ruy Lopez, Worrall Attack |
46. A Brinckmann vs Bogoljubov |
 | 0-1 | 39 | 1927 | 25. DSB Kongress | C86 Ruy Lopez, Worrall Attack |
47. H Weenink vs E Jacobson |
| 1-0 | 33 | 1927 | London Olympiad | C86 Ruy Lopez, Worrall Attack |
48. A Brinckmann vs L Steiner |
| 1-0 | 25 | 1927 | Bad Niendorf | C86 Ruy Lopez, Worrall Attack |
49. Yates vs E G Sergeant |
| 1-0 | 35 | 1927 | Hastings 1927/28 | C86 Ruy Lopez, Worrall Attack |
50. G Thomas vs L Steiner |
| 0-1 | 33 | 1927 | Hastings 1927/28 | C86 Ruy Lopez, Worrall Attack |