| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. I Nei vs Petrosian |
 | 0-1 | 28 |
1946 |
URS-ch U18 | E95 King's Indian, Orthodox, 7...Nbd7, 8.Re1 |
| 2. I Nei vs Keres |
| ½-½ | 40 |
1953 |
Tartu ,Est op ch (22.03.53) | E61 King's Indian |
| 3. I Nei vs J Franz |
| ½-½ | 58 |
1959 |
Riga | E81 King's Indian, Samisch |
| 4. I Nei vs Spassky |
| ½-½ | 26 |
1960 |
URS-ch27 | E70 King's Indian |
| 5. I Nei vs Suetin |
| 1-0 | 36 |
1960 |
URS-ch27 Leningrad | E80 King's Indian, Samisch Variation |
| 6. I Nei vs V Liberzon |
| 0-1 | 31 |
1960 |
URS-ch27 | E92 King's Indian |
| 7. I Nei vs Suetin |
| ½-½ | 13 |
1962 |
Ch URS (team) | E81 King's Indian, Samisch |
| 8. I Nei vs A Vooremaa |
| 1-0 | 26 |
1962 |
EST-ch | E77 King's Indian |
| 9. I Nei vs Stein |
| ½-½ | 41 |
1963 |
Ch URS | E93 King's Indian, Petrosian System |
| 10. I Nei vs Taimanov |
| ½-½ | 45 |
1963 |
Leningrad | E92 King's Indian |
| 11. I Nei vs Stein |
| ½-½ | 21 |
1967 |
Ch URS | E92 King's Indian |
| 12. I Nei vs Polugaevsky |
| 0-1 | 38 |
1967 |
Tbilisi | E77 King's Indian |
| 13. I Nei vs E Haag |
| ½-½ | 32 |
1969 |
Tallinn it | E94 King's Indian, Orthodox |
| 14. I Nei vs Tal |
| 0-1 | 43 |
1973 |
Tallinn | E92 King's Indian |
| 15. I Nei vs Uhlmann |
| ½-½ | 38 |
1977 |
Tallinn | E92 King's Indian |
| 16. I Nei vs Vaganian |
| ½-½ | 21 |
1979 |
Tallinn | E92 King's Indian |
| 17. I Nei vs A Vooremaa |
| ½-½ | 58 |
1979 |
Tallinn Keres mem EST | E61 King's Indian |
| 18. I Nei vs Salo Heikki |
| 1-0 | 37 |
1991 |
Salo op | E70 King's Indian |
| 19. I Nei vs T Aalto |
| 1-0 | 34 |
1992 |
Kuopio op | E70 King's Indian |
| 20. I Nei vs M Makropoulou |
| 1-0 | 33 |
1992 |
Komotini op | E61 King's Indian |
| 21. I Nei vs U Maki |
| ½-½ | 28 |
1993 |
Jyvaskyla op | E61 King's Indian |
| 22. I Nei vs J Tella |
| 1-0 | 49 |
1994 |
Heart of Finland op 4th | E61 King's Indian |
| 23. I Nei vs O Cvitan |
| 0-1 | 39 |
1997 |
Pula op 11th | E61 King's Indian |
| 24. I Nei vs N Jakupovic |
| 1-0 | 30 |
1997 |
Pula op 11th | E76 King's Indian, Four Pawns Attack |