| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. V Zagorovsky vs I Vatnikov |
| 1-0 | 24 | 1954 | Moscow Championship | A44 Old Benoni Defense |
| 27. I Vatnikov vs A Khasin |
| 1-0 | 40 | 1954 | Moscow Championship | A12 English with b3 |
| 28. I Vatnikov vs I Livshin |
| 0-1 | 45 | 1954 | Moscow Championship | A07 King's Indian Attack |
| 29. E Zagoryansky vs I Vatnikov |
| 0-1 | 34 | 1954 | Moscow Championship | A54 Old Indian, Ukrainian Variation, 4.Nf3 |
| 30. Klovans vs I Vatnikov |
| 1-0 | 26 | 1955 | Latvia - Russia | B58 Sicilian |
| 31. G Goldberg vs I Vatnikov |
| 1-0 | 40 | 1956 | Moscow Championship semifinal | A65 Benoni, 6.e4 |
| 32. G Ravinsky vs I Vatnikov |
| 0-1 | 47 | 1956 | Moscow Championship semifinal | C97 Ruy Lopez, Closed, Chigorin |
| 33. Stein vs I Vatnikov |
| 1-0 | 65 | 1956 | Moscow Championship semifinal | D18 Queen's Gambit Declined Slav, Dutch |
| 34. I Vatnikov vs O Moiseev |
| 1-0 | 36 | 1956 | Moscow Championship semifinal | A15 English |
| 35. I Vatnikov vs A Volovich |
| 1-0 | 43 | 1956 | Moscow Championship semifinal | B06 Robatsch |
| 36. J Yuchtman vs I Vatnikov |
| 0-1 | 69 | 1956 | Moscow Championship semifinal | A08 King's Indian Attack |
| 37. I Vatnikov vs J Yuchtman |
| 0-1 | 30 | 1957 | Ch Moscow (1/2 final) | A07 King's Indian Attack |
| 38. Suetin vs I Vatnikov |
| 0-1 | 55 | 1961 | Spartak Championship | A56 Benoni Defense |
| 39. Kokorin vs I Vatnikov |
| 1-0 | 33 | 1961 | Moscow Team Championship | B12 Caro-Kann Defense |
| 40. V Kirilov vs I Vatnikov |
| 0-1 | 37 | 1961 | Spartak Championship | A56 Benoni Defense |
| 41. I Vatnikov vs A Cherepkov |
| 1-0 | 50 | 1961 | Spartak Championship | A05 Reti Opening |
| 42. I Vatnikov vs Furman |
| 1-0 | 52 | 1961 | Spartak Championship | A04 Reti Opening |
| 43. A Roshal vs I Vatnikov |
| 0-1 | 42 | 1964 | Burevestnik CC-ch | C77 Ruy Lopez |
| 44. A Roshal vs I Vatnikov |
| ½-½ | 41 | 1964 | URS | A07 King's Indian Attack |
| 45. A I Zakharov vs I Vatnikov |
| 1-0 | 44 | 1965 | Burevestnik Championship sf-2 | C96 Ruy Lopez, Closed |
| 46. V F Titenko vs I Vatnikov |
| ½-½ | 41 | 1966 | Moscow Region Championship | A56 Benoni Defense |
| 47. I Vatnikov vs V Kantorovich |
| 1-0 | 31 | 1966 | Moscow Region Championship | A04 Reti Opening |
| 48. V Ivlev vs I Vatnikov |
| 0-1 | 45 | 1967 | Moscow Team Championship | A56 Benoni Defense |
| 49. M Mukhin vs I Vatnikov |
| 1-0 | 39 | 1968 | Sochi Masters-Candidate Masters | C65 Ruy Lopez, Berlin Defense |
| 50. I Vatnikov vs M Schoeneberg |
| 1-0 | 35 | 1968 | MGU-Leipzig | A07 King's Indian Attack |
Kibitzing
