| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. Bogoljubov vs Rubinstein |
 | ½-½ | 75 | 1926 | Berlin | C98 Ruy Lopez, Closed, Chigorin |
| 27. N Panchenko vs Botvinnik |
| ½-½ | 49 | 1927 | Leningrad-Moscow (metallists) | C98 Ruy Lopez, Closed, Chigorin |
| 28. Yates vs L Asztalos |
| 1-0 | 53 | 1927 | London Olympiad | C98 Ruy Lopez, Closed, Chigorin |
| 29. Lasker vs Bogoljubov |
| ½-½ | 70 | 1927 | Living pieces exhibition | C98 Ruy Lopez, Closed, Chigorin |
| 30. G Nagy vs K Makarczyk |
| 1-0 | 37 | 1928 | The Hague Olympiad | C98 Ruy Lopez, Closed, Chigorin |
| 31. O Naegeli vs W Wertheim |
| 1-0 | 54 | 1928 | The Hague Olympiad | C98 Ruy Lopez, Closed, Chigorin |
| 32. R Cintron vs L Steiner |
| 0-1 | 54 | 1929 | Bradley Beach | C98 Ruy Lopez, Closed, Chigorin |
| 33. Ed Lasker vs Kupchik |
| ½-½ | 47 | 1931 | New York International | C98 Ruy Lopez, Closed, Chigorin |
| 34. E Steiner vs L Merenyi |
| ½-½ | 25 | 1935 | Tatatovaros | C98 Ruy Lopez, Closed, Chigorin |
| 35. I A Horowitz vs W Adams |
| 0-1 | 78 | 1936 | United States Championship | C98 Ruy Lopez, Closed, Chigorin |
| 36. Keres vs Vidmar |
 | 1-0 | 65 | 1936 | Bad Nauheim | C98 Ruy Lopez, Closed, Chigorin |
| 37. M Kroliunitsky vs Stanishnev |
| 0-1 | 43 | 1938 | Ch Moscow (team) | C98 Ruy Lopez, Closed, Chigorin |
| 38. C H Alexander vs Keres |
| ½-½ | 52 | 1938 | Hastings 1937/38 | C98 Ruy Lopez, Closed, Chigorin |
| 39. L Abramov vs L Guldin |
| ½-½ | 53 | 1939 | 14th Ch Leningrad | C98 Ruy Lopez, Closed, Chigorin |
| 40. Tolush vs Lilienthal |
| 1-0 | 39 | 1939 | Leningrad / Moscow training | C98 Ruy Lopez, Closed, Chigorin |
| 41. S Belavenets vs Alatortsev |
| ½-½ | 43 | 1939 | Leningrad / Moscow training | C98 Ruy Lopez, Closed, Chigorin |
| 42. Smyslov vs Levenfish |
| ½-½ | 63 | 1939 | Leningrad / Moscow training | C98 Ruy Lopez, Closed, Chigorin |
| 43. T Hess vs Vidmar |
| ½-½ | 37 | 1939 | Stuttgart | C98 Ruy Lopez, Closed, Chigorin |
| 44. Reshevsky vs W Adams |
| 1-0 | 30 | 1939 | 40th ACF Congress. Prelim 1 | C98 Ruy Lopez, Closed, Chigorin |
| 45. Bronstein vs S Zhukhovitsky |
| 1-0 | 32 | 1940 | Ukrainian Championship | C98 Ruy Lopez, Closed, Chigorin |
| 46. L Abramov vs G Stepanov (Schneideman) |
| ½-½ | 22 | 1940 | 15th Ch Leningrad | C98 Ruy Lopez, Closed, Chigorin |
| 47. M Seibold vs G Menke |
| 1-0 | 39 | 1940 | International corr | C98 Ruy Lopez, Closed, Chigorin |
| 48. L Rellstab vs W E Kunerth |
| ½-½ | 62 | 1940 | Schlage Memorial | C98 Ruy Lopez, Closed, Chigorin |
| 49. Boleslavsky vs Lilienthal |
| ½-½ | 42 | 1940 | USSR Championship | C98 Ruy Lopez, Closed, Chigorin |
| 50. Levenfish vs Lilienthal |
| ½-½ | 42 | 1940 | USSR Championship | C98 Ruy Lopez, Closed, Chigorin |
Kibitzing
