| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. Tal vs I Nei |
| ½-½ | 32 |
1955 |
Vilnius | C16 French, Winawer |
| 27. I Nei vs Chukaev |
 | 1-0 | 40 |
1955 |
URS-chT fin | B86 Sicilian, Fischer-Sozin Attack |
| 28. I Nei vs Gipslis |
| 1-0 | 30 |
1955 |
URS-ch sf | A19 English, Mikenas-Carls, Sicilian Variation |
| 29. Sokolsky vs I Nei |
 | 1-0 | 69 |
1955 |
URS-ch sf | A00 Uncommon Opening |
| 30. I Nei vs I Livshin |
| 1-0 | 36 |
1956 |
URS-ch sf | B21 Sicilian, 2.f4 and 2.d4 |
| 31. I Nei vs Vasiukov |
| 0-1 | 50 |
1956 |
URS-ch sf | B37 Sicilian, Accelerated Fianchetto |
| 32. I Nei vs P Romanovsky |
| ½-½ | 35 |
1956 |
URS-ch sf | C28 Vienna Game |
| 33. I Nei vs Koblents |
| 1-0 | 18 |
1956 |
Zonal Tt | B21 Sicilian, 2.f4 and 2.d4 |
| 34. Chistiakov vs I Nei |
| ½-½ | 40 |
1956 |
URS-ch sf | D90 Grunfeld |
| 35. I Nei vs Nezhmetdinov |
| 1-0 | 31 |
1956 |
URS-ch sf | C26 Vienna |
| 36. Aronson vs I Nei |
| ½-½ | 26 |
1956 |
URS-ch sf | B57 Sicilian |
| 37. Y Vasilchuk vs I Nei |
| ½-½ | 20 |
1956 |
URS-ch sf | C05 French, Tarrasch |
| 38. I Nei vs G Borisenko |
 | 0-1 | 29 |
1956 |
URS-ch sf | C27 Vienna Game |
| 39. I Nei vs J Klavins |
| ½-½ | 30 |
1956 |
URS-ch sf | D02 Queen's Pawn Game |
| 40. I Nei vs Shamkovich |
| 0-1 | 20 |
1956 |
Russian Team Ch | A16 English |
| 41. Suetin vs I Nei |
| ½-½ | 41 |
1956 |
URS-ch sf | C75 Ruy Lopez, Modern Steinitz Defense |
| 42. A Matskevich vs I Nei |
| 0-1 | 52 |
1956 |
URS-ch sf | A06 Reti Opening |
| 43. I Nei vs Bannik |
| 1-0 | 55 |
1956 |
URS-ch sf | D54 Queen's Gambit Declined, Anti-Neo-Orthodox Variation |
| 44. Zamikhovsky vs I Nei |
 | 1-0 | 21 |
1956 |
URS-ch sf | E87 King's Indian, Samisch, Orthodox |
| 45. Shamkovich vs I Nei |
| 0-1 | 38 |
1956 |
URS-ch sf | C05 French, Tarrasch |
| 46. Kholmov vs I Nei |
 | 1-0 | 49 |
1956 |
URS-ch sf | D45 Queen's Gambit Declined Semi-Slav |
| 47. A Makarov vs I Nei |
| 0-1 | 80 |
1956 |
URS-ch sf | A06 Reti Opening |
| 48. G Kluger vs I Nei |
| 0-1 | 30 |
1957 |
EST-HUN | D45 Queen's Gambit Declined Semi-Slav |
| 49. Tal vs I Nei |
 | 1-0 | 21 |
1958 |
URS | C02 French, Advance |
| 50. S Johannessen vs I Nei |
| 1-0 | 39 |
1959 |
Riga | E70 King's Indian |