| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. Kashdan / Horowitz / L B Meyer vs Rubinstein |
| ½-½ | 33 |
1928 |
Consultation Exhibition | C97 Ruy Lopez, Closed, Chigorin |
| 27. Znosko-Borovsky vs L Szwarcman |
| ½-½ | 15 |
1929 |
Paris | C97 Ruy Lopez, Closed, Chigorin |
| 28. H Wagner vs Stoltz |
| ½-½ | 33 |
1930 |
Swinemuende GER | C97 Ruy Lopez, Closed, Chigorin |
| 29. L Steiner vs Kashdan |
| 0-1 | 52 |
1930 |
New York m | C97 Ruy Lopez, Closed, Chigorin |
| 30. I Koenig vs W Michel |
| ½-½ | 40 |
1931 |
Prague ol (Men) | C97 Ruy Lopez, Closed, Chigorin |
| 31. J Van Den Bosch vs H Wagner |
| ½-½ | 27 |
1931 |
Prague ol (Men) | C97 Ruy Lopez, Closed, Chigorin |
| 32. O Naegeli vs O Bernstein |
| 0-1 | 41 |
1932 |
Bern | C97 Ruy Lopez, Closed, Chigorin |
| 33. O Naegeli vs O Bernstein |
| 1-0 | 41 |
1932 |
Bern m | C97 Ruy Lopez, Closed, Chigorin |
| 34. L Steiner vs K Havasi |
| 1-0 | 55 |
1934 |
Ujpest | C97 Ruy Lopez, Closed, Chigorin |
| 35. Keres vs G Friedemann |
| ½-½ | 55 |
1935 |
Tallinn, Est ch | C97 Ruy Lopez, Closed, Chigorin |
| 36. Keres vs G Friedemann |
| ½-½ | 52 |
1936 |
Tallinn tt | C97 Ruy Lopez, Closed, Chigorin |
| 37. Keres vs T Bergs |
| 1-0 | 43 |
1937 |
Kemeri | C97 Ruy Lopez, Closed, Chigorin |
| 38. V Mikenas vs Keres |
| 0-1 | 46 |
1937 |
Tallinn, Estonia-Latvia m | C97 Ruy Lopez, Closed, Chigorin |
| 39. Fine vs Reshevsky |
 | 0-1 | 55 |
1938 |
AVRO | C97 Ruy Lopez, Closed, Chigorin |
| 40. K Poschauko vs M Bluemich |
| 1-0 | 41 |
1938 |
Krakow | C97 Ruy Lopez, Closed, Chigorin |
| 41. K Poschauko vs Mross |
| 0-1 | 41 |
1938 |
Krakow | C97 Ruy Lopez, Closed, Chigorin |
| 42. F Reinfeld vs M L Hanauer |
| ½-½ | 54 |
1938 |
Marshall CC Championship | C97 Ruy Lopez, Closed, Chigorin |
| 43. Konstantinopolsky vs Panov |
| 1-0 | 35 |
1939 |
Leningrad/Moscow training | C97 Ruy Lopez, Closed, Chigorin |
| 44. Tolush vs Lisitsin |
| ½-½ | 45 |
1939 |
USSR Championship | C97 Ruy Lopez, Closed, Chigorin |
| 45. Ragozin vs Panov |
| 1-0 | 50 |
1939 |
USSR Championship | C97 Ruy Lopez, Closed, Chigorin |
| 46. Tolush vs Ragozin |
| 0-1 | 58 |
1939 |
USSR Championship | C97 Ruy Lopez, Closed, Chigorin |
| 47. Lisitsin vs Botvinnik |
| ½-½ | 30 |
1940 |
USSR Championship | C97 Ruy Lopez, Closed, Chigorin |
| 48. Lilienthal vs Panov |
| 1-0 | 32 |
1940 |
USSR Championship | C97 Ruy Lopez, Closed, Chigorin |
| 49. Boleslavsky vs Panov |
| 1-0 | 54 |
1940 |
USSR Championship | C97 Ruy Lopez, Closed, Chigorin |
| 50. Reshevsky vs W Adams |
| 1-0 | 62 |
1940 |
USA-ch | C97 Ruy Lopez, Closed, Chigorin |