| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. C Shirok vs Igor Ivanov |
 | 0-1 | 23 |
1968 |
Yerevan tt ch URS | B45 Sicilian, Taimanov |
| 2. Feldman vs Igor Ivanov |
| 0-1 | 41 |
1969 |
Sochi (Russia) | B64 Sicilian, Richter-Rauzer Attack |
| 3. Stasov vs Igor Ivanov |
| 0-1 | 40 |
1971 |
Riga (Latvia) | C82 Ruy Lopez, Open |
| 4. Igor Ivanov vs A Reshko |
| 0-1 | 26 |
1973 |
Leningrad-ch | A57 Benko Gambit |
| 5. Igor Ivanov vs Korchnoi |
| 0-1 | 29 |
1973 |
Leningrad (Russia) | E50 Nimzo-Indian, 4.e3 O-O 5.Nf3, without ...d5 |
| 6. V Faibisovich vs Igor Ivanov |
| 0-1 | 41 |
1973 |
Leningrad (Russia) | C89 Ruy Lopez, Marshall |
| 7. Igor Ivanov vs L Gutman |
| 0-1 | 18 |
1975 |
Riga | D83 Grunfeld, Grunfeld Gambit |
| 8. A Kapengut vs Igor Ivanov |
| 0-1 | 36 |
1975 |
Ch URS (select) | C84 Ruy Lopez, Closed |
| 9. Igor Ivanov vs A Zakharov |
| 0-1 | 43 |
1976 |
Kislovodsk | D48 Queen's Gambit Declined Semi-Slav, Meran |
| 10. V Vorotnikov vs Igor Ivanov |
| 0-1 | 16 |
1977 |
Vilnius | C26 Vienna |
| 11. Igor Ivanov vs E Mnatsakanian |
| 0-1 | 31 |
1977 |
Tournament | E10 Queen's Pawn Game |
| 12. Igor Ivanov vs A Kapengut |
| 0-1 | 32 |
1977 |
USSR 23/125 | A62 Benoni, Fianchetto Variation |
| 13. G Akopian vs Igor Ivanov |
| 0-1 | 49 |
1977 |
Tournament | B88 Sicilian, Fischer-Sozin Attack |
| 14. A Vitolinsh vs Igor Ivanov |
| 0-1 | 33 |
1977 |
URS | B94 Sicilian, Najdorf |
| 15. Igor Ivanov vs L I Kaplun |
| 0-1 | 34 |
1977 |
Ch URS (select) | A15 English |
| 16. Igor Ivanov vs N Popov |
| 0-1 | 40 |
1977 |
Tournament | E59 Nimzo-Indian, 4.e3, Main line |
| 17. M N Sher vs Igor Ivanov |
| 0-1 | 42 |
1977 |
Ch URS (select) | A07 King's Indian Attack |
| 18. Igor Ivanov vs Tseshkovsky |
| 0-1 | 29 |
1977 |
Tournament | D91 Grunfeld, 5.Bg5 |
| 19. Igor Ivanov vs Alburt |
| 0-1 | 34 |
1978 |
Ch URS (1 liga) | B02 Alekhine's Defense |
| 20. A Petrosian vs Igor Ivanov |
| 0-1 | 58 |
1978 |
Ch URS (select) | D73 Neo-Grunfeld, 5.Nf3 |
| 21. Igor Ivanov vs Sveshnikov |
| 0-1 | 77 |
1978 |
Ch URS (1 liga) | D42 Queen's Gambit Declined, Semi-Tarrasch, 7.Bd3 |
| 22. A Lukin vs Igor Ivanov |
| 0-1 | 70 |
1978 |
Daugavpils (Latvia) | D45 Queen's Gambit Declined Semi-Slav |
| 23. Igor Ivanov vs Kupreichik |
| 0-1 | 59 |
1978 |
Ch URS (1 liga) | A21 English |
| 24. V Petukhov vs Igor Ivanov |
| 0-1 | 29 |
1978 |
Zaitsev mem | E47 Nimzo-Indian, 4.e3 O-O 5.Bd3 |
| 25. Igor Ivanov vs V Arbakov |
| 0-1 | 33 |
1978 |
Ch URS (select) | B33 Sicilian |
