| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. R C Stephenson vs A Ingraham |
| 1-0 | 24 | 1918 | Simul | C73 Ruy Lopez, Modern Steinitz Defense |
| 27. L Szwarcman vs Rubinstein |
| 1-0 | 29 | 1919 | Warsaw City Championship | C73 Ruy Lopez, Modern Steinitz Defense |
| 28. S Sery vs K Treybal |
| ½-½ | 35 | 1921 | 7th Czech Chess Association Congress | C73 Ruy Lopez, Modern Steinitz Defense |
| 29. Bogoljubov vs G Thomas |
 | ½-½ | 78 | 1922 | Hastings | C73 Ruy Lopez, Modern Steinitz Defense |
| 30. R Black vs Ed Lasker |
| 0-1 | 29 | 1923 | 9th American Chess Congress | C73 Ruy Lopez, Modern Steinitz Defense |
| 31. Bogoljubov vs A Brinckmann |
| ½-½ | 36 | 1927 | Bremen | C73 Ruy Lopez, Modern Steinitz Defense |
| 32. A Brinckmann vs Yates |
| 1-0 | 87 | 1927 | Kecskemet | C73 Ruy Lopez, Modern Steinitz Defense |
| 33. A Brinckmann vs Yates |
| 0-1 | 26 | 1927 | Kecskemet | C73 Ruy Lopez, Modern Steinitz Defense |
| 34. J O'Hanlon vs A McDonagh |
| 1-0 | 24 | 1928 | Tailteann Games | C73 Ruy Lopez, Modern Steinitz Defense |
| 35. E Steiner vs D Przepiorka |
 | 0-1 | 90 | 1929 | Budapest | C73 Ruy Lopez, Modern Steinitz Defense |
| 36. A Brinckmann vs Rubinstein |
| 0-1 | 27 | 1929 | Rogaska Slatina | C73 Ruy Lopez, Modern Steinitz Defense |
| 37. Kashdan vs W Orbach |
| 1-0 | 46 | 1930 | Frankfurt | C73 Ruy Lopez, Modern Steinitz Defense |
| 38. J Balogh vs Kashdan |
| 0-1 | 32 | 1930 | Gyor | C73 Ruy Lopez, Modern Steinitz Defense |
| 39. F Reinfeld vs Fine |
| 0-1 | 34 | 1930 | Marshall Chess Club-ch, Prelim | C73 Ruy Lopez, Modern Steinitz Defense |
| 40. Alekhine vs D Avirovic |
| 1-0 | 29 | 1930 | Clock simul, 10b | C73 Ruy Lopez, Modern Steinitz Defense |
| 41. S Nadel vs A Landmann |
| 0-1 | 28 | 1931 | Berlin League Match | C73 Ruy Lopez, Modern Steinitz Defense |
| 42. Kupchik vs Capablanca |
| 0-1 | 55 | 1931 | New York International | C73 Ruy Lopez, Modern Steinitz Defense |
| 43. Tartakower vs G Stoltz |
| 0-1 | 58 | 1931 | Bled | C73 Ruy Lopez, Modern Steinitz Defense |
| 44. A Ilyin-Zhenevsky vs F Bohatirchuk |
| ½-½ | 62 | 1931 | USSR Championship | C73 Ruy Lopez, Modern Steinitz Defense |
| 45. K Richter vs W Schlage |
| 1-0 | 36 | 1932 | Schachgesellschaft club ch | C73 Ruy Lopez, Modern Steinitz Defense |
| 46. Alekhine vs Koltanowski |
| 1-0 | 31 | 1932 | London | C73 Ruy Lopez, Modern Steinitz Defense |
| 47. Tartakower vs S Khan |
| 0-1 | 50 | 1932 | London | C73 Ruy Lopez, Modern Steinitz Defense |
| 48. G Thomas vs Alekhine |
| ½-½ | 32 | 1932 | London | C73 Ruy Lopez, Modern Steinitz Defense |
| 49. C Damant vs Koltanowski |
| ½-½ | 30 | 1932 | BCF-ch Major Open | C73 Ruy Lopez, Modern Steinitz Defense |
| 50. Michalowski & Burgmer vs Engels & Bernards |
| 1-0 | 35 | 1932 | cons | C73 Ruy Lopez, Modern Steinitz Defense |
Kibitzing
