| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. I A Zaitsev vs V Dommes |
| 0-1 | 53 | 1960 | Leningrad - Moscow | C49 Four Knights |
| 27. V Liavdansky vs I A Zaitsev |
| 1-0 | 29 | 1960 | Moscow - Leningrad | E80 King's Indian, Samisch Variation |
| 28. I A Zaitsev vs V Liavdansky |
| 1-0 | 58 | 1960 | Moscow - Leningrad | B95 Sicilian, Najdorf, 6...e6 |
| 29. S Krasnov vs I A Zaitsev |
| 0-1 | 27 | 1961 | Lokomotiv Championship | A04 Reti Opening |
| 30. I A Zaitsev vs Shamkovich |
| 0-1 | 29 | 1961 | Central Chess Club Championship | D82 Grunfeld, 4.Bf4 |
| 31. Cherikovsky vs I A Zaitsev |
| 1-0 | 49 | 1961 | Lokomotiv Championship | C93 Ruy Lopez, Closed, Smyslov Defense |
| 32. I A Zaitsev vs Y Nikolaevsky |
| 1-0 | 31 | 1962 | URS-ch sf Dnipropetrovsk | B32 Sicilian |
| 33. J Klavins vs I A Zaitsev |
| 0-1 | 38 | 1962 | All-Union Mass Tournament | B71 Sicilian, Dragon, Levenfish Variation |
| 34. I A Zaitsev vs Taimanov |
| 0-1 | 37 | 1962 | USSR Championship | B46 Sicilian, Taimanov Variation |
| 35. G Khodos vs I A Zaitsev |
| ½-½ | 42 | 1962 | USSR Championship | E58 Nimzo-Indian, 4.e3, Main line with 8...Bxc3 |
| 36. I A Zaitsev vs Aronin |
| ½-½ | 24 | 1962 | USSR Championship | B32 Sicilian |
| 37. A Zaitsev vs I A Zaitsev |
| 1-0 | 41 | 1962 | USSR Championship | D61 Queen's Gambit Declined, Orthodox, Rubinstein Attack |
| 38. I A Zaitsev vs N Krogius |
| ½-½ | 28 | 1962 | USSR Championship | B97 Sicilian, Najdorf |
| 39. Y Kots vs I A Zaitsev |
| ½-½ | 24 | 1962 | USSR Championship | C64 Ruy Lopez, Classical |
| 40. I A Zaitsev vs V Shiyanovsky |
| ½-½ | 17 | 1962 | USSR Championship | C47 Four Knights |
| 41. Korchnoi vs I A Zaitsev |
  | 1-0 | 44 | 1962 | USSR Championship | E40 Nimzo-Indian, 4.e3 |
| 42. I A Zaitsev vs Savon |
| 0-1 | 41 | 1962 | USSR Championship | B07 Pirc |
| 43. A Novopashin vs I A Zaitsev |
| ½-½ | 29 | 1962 | USSR Championship | B76 Sicilian, Dragon, Yugoslav Attack |
| 44. I A Zaitsev vs Stein |
| 0-1 | 35 | 1962 | USSR Championship | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 45. I A Zaitsev vs Kholmov |
| 0-1 | 29 | 1962 | USSR Championship | B46 Sicilian, Taimanov Variation |
| 46. Suetin vs I A Zaitsev |
| ½-½ | 69 | 1962 | USSR Championship | B15 Caro-Kann |
| 47. I A Zaitsev vs A Korelov |
| 1-0 | 63 | 1962 | USSR Championship | A06 Reti Opening |
| 48. A Bannik vs I A Zaitsev |
| 1-0 | 41 | 1962 | USSR Championship | E12 Queen's Indian |
| 49. I A Zaitsev vs Spassky |
| 0-1 | 24 | 1962 | USSR Championship | B23 Sicilian, Closed |
| 50. Tal vs I A Zaitsev |
| ½-½ | 49 | 1962 | USSR Championship | B14 Caro-Kann, Panov-Botvinnik Attack |
Kibitzing
