| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. M Bobotsov vs Parma |
| ½-½ | 30 |
1964 |
Zagreb | A39 English, Symmetrical, Main line with d4 |
| 27. Krogius vs Kholmov |
| ½-½ | 29 |
1964 |
Chigorin mem | A39 English, Symmetrical, Main line with d4 |
| 28. A Petersons vs Kholmov |
| 0-1 | 40 |
1964 |
USSR Championship 1964/65 | A39 English, Symmetrical, Main line with d4 |
| 29. G Kluger vs K Honfi |
| 0-1 | 43 |
1964 |
HUN-ch 19th | A39 English, Symmetrical, Main line with d4 |
| 30. Krogius vs I Zdanovs |
| 1-0 | 25 |
1964 |
URS Spartakiad | A39 English, Symmetrical, Main line with d4 |
| 31. L Lengyel vs Geller |
| 0-1 | 26 |
1965 |
Beverwijk | A39 English, Symmetrical, Main line with d4 |
| 32. Smyslov vs Geller |
| ½-½ | 79 |
1965 |
Geller-Smyslov Candidates Quarterfinal Match | A39 English, Symmetrical, Main line with d4 |
| 33. K Burger vs Zuckerman |
| ½-½ | 39 |
1965 |
New York USA ch | A39 English, Symmetrical, Main line with d4 |
| 34. Smyslov vs Matulovic |
| ½-½ | 31 |
1965 |
3, Hamburg ETC | A39 English, Symmetrical, Main line with d4 |
| 35. Larsen vs Tal |
 | ½-½ | 78 |
1965 |
Tal-Larsen Candidates Semifinal Match | A39 English, Symmetrical, Main line with d4 |
| 36. Polugaevsky vs Matulovic |
| ½-½ | 47 |
1965 |
Sarajevo 8th | A39 English, Symmetrical, Main line with d4 |
| 37. Mecking vs E Cotta |
| 1-0 | 38 |
1965 |
BRA-ch 32th | A39 English, Symmetrical, Main line with d4 |
| 38. Smejkal vs M Janata |
| 1-0 | 42 |
1965 |
Harrachov U26 | A39 English, Symmetrical, Main line with d4 |
| 39. Hort vs N Padevsky |
| 1-0 | 38 |
1966 |
Kecskemet | A39 English, Symmetrical, Main line with d4 |
| 40. Stein vs Matulovic |
| 0-1 | 62 |
1966 |
Kislovodsk (Russia) | A39 English, Symmetrical, Main line with d4 |
| 41. Golombek vs G Szilagyi |
| 0-1 | 35 |
1966 |
Tel-Aviv it | A39 English, Symmetrical, Main line with d4 |
| 42. Golombek vs Kraidman |
| 0-1 | 27 |
1966 |
Tel-Aviv it | A39 English, Symmetrical, Main line with d4 |
| 43. Savon vs Spiridonov |
| ½-½ | 43 |
1966 |
Orebro Stud olm fA | A39 English, Symmetrical, Main line with d4 |
| 44. Filip vs E Cobo Arteaga |
| ½-½ | 27 |
1966 |
La Habana ol (Men) fin-A | A39 English, Symmetrical, Main line with d4 |
| 45. H Pfleger vs Velimirovic |
| ½-½ | 58 |
1966 |
The Hague zt | A39 English, Symmetrical, Main line with d4 |
| 46. Antoshin vs M Bertok |
| ½-½ | 18 |
1966 |
Sochi Chigorin mem 04th | A39 English, Symmetrical, Main line with d4 |
| 47. J Minaya Molano vs Tringov |
| 0-1 | 68 |
1966 |
La Habana ol (Men) prel | A39 English, Symmetrical, Main line with d4 |
| 48. Krogius vs V Osnos |
| 0-1 | 51 |
1966 |
USSR Championship 1966/67 | A39 English, Symmetrical, Main line with d4 |
| 49. Suetin vs L Shamkovich |
| 1-0 | 41 |
1967 |
Ch URS | A39 English, Symmetrical, Main line with d4 |
| 50. Stein vs Kaplan |
| ½-½ | 27 |
1967 |
Hastings 1967/68 | A39 English, Symmetrical, Main line with d4 |