| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. S Landau vs Feigin |
| 1-0 | 30 |
1937 |
Kemeri | D46 Queen's Gambit Declined Semi-Slav |
| 27. Feigin vs Rellstab |
 | 1-0 | 40 |
1937 |
Kemeri | D81 Grunfeld, Russian Variation |
| 28. Feigin vs T Bergs |
| 1-0 | 57 |
1937 |
Kemeri | D26 Queen's Gambit Accepted |
| 29. Keres vs Feigin |
| ½-½ | 60 |
1937 |
Kemeri | D37 Queen's Gambit Declined |
| 30. Feigin vs V Petrov |
| 0-1 | 20 |
1937 |
Kemeri | C01 French, Exchange |
| 31. A Steiner vs Feigin |
| 1-0 | 57 |
1937 |
Kemeri | B45 Sicilian, Taimanov |
| 32. Alekhine vs Feigin |
| 1-0 | 46 |
1937 |
Kemeri (06) | B10 Caro-Kann |
| 33. Feigin vs F Apsenieks |
| 0-1 | 49 |
1937 |
Kemeri | A84 Dutch |
| 34. Fine vs Feigin |
| 1-0 | 47 |
1937 |
Kemeri | D47 Queen's Gambit Declined Semi-Slav |
| 35. Feigin vs V Mikenas |
| 0-1 | 29 |
1937 |
Kemeri | D81 Grunfeld, Russian Variation |
| 36. Reshevsky vs Feigin |
| 1-0 | 42 |
1937 |
Kemeri | D37 Queen's Gambit Declined |
| 37. Book vs Feigin |
| 1-0 | 35 |
1937 |
Kemeri | B29 Sicilian, Nimzovich-Rubinstein |
| 38. Feigin vs Tartakower |
| ½-½ | 31 |
1937 |
Kemeri | E00 Queen's Pawn Game |
| 39. Feigin vs W Hasenfuss |
| ½-½ | 41 |
1937 |
Kemeri | A43 Old Benoni |
| 40. K Ozols vs Feigin |
| 0-1 | 41 |
1937 |
Kemeri | A13 English |
| 41. Book vs Feigin |
| ½-½ | 35 |
1939 |
Kemeri | C07 French, Tarrasch |
| 42. Feigin vs J Rodriguez Hurtado |
| 1-0 | 22 |
1939 |
Buenos Aires ol-8 pr B | E35 Nimzo-Indian, Classical, Noa Variation, 5.cd ed |
| 43. Feigin vs Szabo |
| 1-0 | 23 |
1939 |
Kemeri | D97 Grunfeld, Russian |
| 44. Feigin vs Bogoljubov |
| ½-½ | 72 |
1939 |
Kemeri (Latvia) | A40 Queen's Pawn Game |
| 45. A Kiprov vs Feigin |
| ½-½ | 63 |
1939 |
Buenos Aires ol-8 pr B | D63 Queen's Gambit Declined, Orthodox Defense |
| 46. Feigin vs V Kahn |
| 1-0 | 45 |
1939 |
Buenos Aires ol-8 pr B | E33 Nimzo-Indian, Classical |
| 47. Feigin vs L Engels |
| 0-1 | 42 |
1939 |
Buenos Aires ol-8 pr B | A80 Dutch |
| 48. LA Gulla vs Feigin |
| 0-1 | 44 |
1939 |
Buenos Aires ol-8 pr B | D13 Queen's Gambit Declined Slav, Exchange Variation |
| 49. Feigin vs Flohr |
| ½-½ | 51 |
1939 |
Kemeri (Latvia) | D96 Grunfeld, Russian Variation |
| 50. J Salas Romo vs Feigin |
| 0-1 | 54 |
1939 |
Buenos Aires ol-8 pr B | D34 Queen's Gambit Declined, Tarrasch |