| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. Simagin vs I Vatnikov |
| ½-½ | 56 | 1949 | URS-ch sf Vilnius | C84 Ruy Lopez, Closed |
| 2. I Vatnikov vs G Podolny |
| ½-½ | 52 | 1949 | URS-ch sf Vilnius | D76 Neo-Grunfeld, 6.cd Nxd5, 7.O-O Nb6 |
| 3. I Vatnikov vs Furman |
 | 0-1 | 28 | 1949 | URS-ch sf Vilnius | A15 English |
| 4. I Vistaneckis vs I Vatnikov |
| 0-1 | 54 | 1949 | URS-ch sf Vilnius | D31 Queen's Gambit Declined |
| 5. I Vatnikov vs N Kopaev |
| 0-1 | 39 | 1949 | URS-ch sf Vilnius | A07 King's Indian Attack |
| 6. I Vatnikov vs A Sokolsky |
| 0-1 | 33 | 1949 | URS-ch sf Vilnius | E40 Nimzo-Indian, 4.e3 |
| 7. V Mikenas vs I Vatnikov |
| 1-0 | 41 | 1949 | URS-ch sf Vilnius | D31 Queen's Gambit Declined |
| 8. I Vatnikov vs D Rovner |
| 0-1 | 36 | 1949 | URS-ch sf Vilnius | B60 Sicilian, Richter-Rauzer |
| 9. V Kirillov vs I Vatnikov |
| 1-0 | 40 | 1949 | URS-ch sf Vilnius | D30 Queen's Gambit Declined |
| 10. I Vatnikov vs N Aratovsky |
| 0-1 | 44 | 1949 | URS-ch sf Vilnius | A99 Dutch, Ilyin-Genevsky Variation with b3 |
| 11. V Byvshev vs I Vatnikov |
| 1-0 | 64 | 1949 | URS-ch sf Vilnius | B59 Sicilian, Boleslavsky Variation, 7.Nb3 |
| 12. B Ratner vs I Vatnikov |
| 1-0 | 32 | 1949 | URS-ch sf Vilnius | D10 Queen's Gambit Declined Slav |
| 13. I Vatnikov vs A Bannik |
| ½-½ | 42 | 1949 | URS-ch sf Vilnius | E94 King's Indian, Orthodox |
| 14. V Chekhover vs I Vatnikov |
| 1-0 | 32 | 1949 | URS-ch sf Vilnius | A10 English |
| 15. F Duz-Khotimirsky vs I Vatnikov |
 | 1-0 | 35 | 1949 | URS-ch sf Vilnius | A06 Reti Opening |
| 16. I Vatnikov vs A Arulaid |
| 1-0 | 38 | 1949 | URS-ch sf Vilnius | D75 Neo-Grunfeld, 6.cd Nxd5, 7.O-O c5, 8.dxc5 |
| 17. Y Sakharov vs I Vatnikov |
| 1-0 | 27 | 1950 | URS-ch sf Kiev | C58 Two Knights |
| 18. I Vatnikov vs I Lipnitsky |
| 0-1 | 41 | 1950 | URS-ch sf Kiev | A15 English |
| 19. Geller vs I Vatnikov |
| 1-0 | 17 | 1950 | URS-ch sf Kiev | B89 Sicilian |
| 20. I Vatnikov vs Panov |
| 1-0 | 46 | 1950 | URS-ch sf Kiev | C71 Ruy Lopez |
| 21. I Vatnikov vs A Khasin |
| 1-0 | 40 | 1954 | Moscow Championship | A12 English with b3 |
| 22. I Vatnikov vs Levenfish |
| 0-1 | 53 | 1954 | Moscow Championship | A07 King's Indian Attack |
| 23. V Zagorovsky vs I Vatnikov |
| 1-0 | 24 | 1954 | Moscow Championship | A44 Old Benoni Defense |
| 24. I Vatnikov vs G Ravinsky |
| 0-1 | 35 | 1954 | Moscow Championship | A07 King's Indian Attack |
| 25. I Vatnikov vs G Uusi |
| 1-0 | 38 | 1954 | Moscow Championship | A09 Reti Opening |
Kibitzing
