| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. M Neibults vs A Petersons |
| 0-1 | 26 | 1958 | Riga-ch | A02 Bird's Opening |
| 27. Koblents vs A Petersons |
| 1-0 | 40 | 1958 | Riga Championship | B07 Pirc |
| 28. A Petersons vs Tal |
 | 0-1 | 26 | 1958 | Latvian Championship | A15 English |
| 29. A Petersons vs E Chukaev |
| 1-0 | 67 | 1958 | 5th Soviet Team Championship Final | A13 English |
| 30. Y Sakharov vs A Petersons |
| 1-0 | 48 | 1958 | 5th Soviet Team Championship Final | C50 Giuoco Piano |
| 31. Tolush vs A Petersons |
| 1-0 | 43 | 1958 | 5th Soviet Team Championship Final | E91 King's Indian |
| 32. A Petersons vs V Byvshev |
| 1-0 | 58 | 1958 | URS-ch sf Tashkent | A63 Benoni, Fianchetto, 9...Nbd7 |
| 33. A Petersons vs Korchnoi |
| ½-½ | 41 | 1958 | URS-ch sf Tashkent | A16 English |
| 34. V Tarasov vs A Petersons |
| 1-0 | 28 | 1958 | URS-ch sf Tashkent | A05 Reti Opening |
| 35. Simagin vs A Petersons |
| 1-0 | 43 | 1958 | URS-ch sf Tashkent | E94 King's Indian, Orthodox |
| 36. Y Shaposhnikov vs A Petersons |
| ½-½ | 31 | 1958 | URS-ch sf Tashkent | E80 King's Indian, Samisch Variation |
| 37. A Petersons vs I Rubel |
| ½-½ | 15 | 1958 | URS-ch sf Tashkent | D50 Queen's Gambit Declined |
| 38. A Petersons vs B Katalymov |
| 0-1 | 51 | 1958 | URS-ch sf Tashkent | A00 Uncommon Opening |
| 39. Geller vs A Petersons |
| 1-0 | 29 | 1958 | URS-ch sf Tashkent | A54 Old Indian, Ukrainian Variation, 4.Nf3 |
| 40. V Osnos vs A Petersons |
| ½-½ | 26 | 1958 | URS-ch sf Tashkent | E45 Nimzo-Indian, 4.e3, Bronstein (Byrne) Variation |
| 41. Gipslis vs A Petersons |
| 1-0 | 38 | 1958 | URS-ch sf Tashkent | C97 Ruy Lopez, Closed, Chigorin |
| 42. A Petersons vs G Bastrikov |
| 1-0 | 80 | 1958 | URS-ch sf Tashkent | A30 English, Symmetrical |
| 43. A Grushevsky vs A Petersons |
| ½-½ | 46 | 1958 | URS-ch sf Tashkent | B33 Sicilian |
| 44. A Petersons vs B Vladimirov |
| 1-0 | 18 | 1958 | URS-ch sf Tashkent | A10 English |
| 45. A Petersons vs Gufeld |
| 0-1 | 26 | 1958 | URS-ch sf Tashkent | E97 King's Indian |
| 46. A Petersons vs Kholmov |
| 0-1 | 43 | 1958 | URS-ch sf Tashkent | A10 English |
| 47. A Petersons vs E Gornevs |
| 1-0 | 19 | 1959 | Riga Championship | C26 Vienna |
| 48. V Pupels vs A Petersons |
| 0-1 | 20 | 1959 | Riga Championship | B28 Sicilian, O'Kelly Variation |
| 49. Bondarevsky vs A Petersons |
| 1-0 | 19 | 1959 | 2nd Soviet Spartakiad qual-3 | B21 Sicilian, 2.f4 and 2.d4 |
| 50. A Petersons vs Averbakh |
| ½-½ | 39 | 1959 | 2nd Soviet Spartakiad Final-A | B60 Sicilian, Richter-Rauzer |
Kibitzing
