| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. S Begun vs J Gudrikis |
| 0-1 | 27 | 1962 | Junior Team Tournament | E59 Nimzo-Indian, 4.e3, Main line |
| 2. S Begun vs Kupreichik |
| 0-1 | 15 | 1972 | Belarusian Championship | A45 Queen's Pawn Game |
| 3. A Shashin vs S Begun |
| ½-½ | 54 | 1974 | URS-ch qual | E59 Nimzo-Indian, 4.e3, Main line |
| 4. S Begun vs M Mukhin |
| ½-½ | 41 | 1974 | Sokolsky Memorial | A04 Reti Opening |
| 5. S Begun vs A Polikarpov |
| 1-0 | 41 | 1974 | Sokolsky Memorial | B07 Pirc |
| 6. S Yuferov vs S Begun |
| ½-½ | 43 | 1974 | Sokolsky Memorial | C93 Ruy Lopez, Closed, Smyslov Defense |
| 7. S Begun vs I Balliev |
| 1-0 | 28 | 1975 | 13th Soviet Team Championship qual-2 | E40 Nimzo-Indian, 4.e3 |
| 8. V Vorotnikov vs S Begun |
| 1-0 | 34 | 1975 | 13th Soviet Team Championship qual-2 | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 9. S Begun vs Sveshnikov |
| 0-1 | 52 | 1975 | 13th Soviet Team Championship qual-2 | B46 Sicilian, Taimanov Variation |
| 10. Yurtaev vs S Begun |
| 1-0 | 53 | 1975 | 13th Soviet Team Championship qual-2 | A07 King's Indian Attack |
| 11. V Dydyshko vs S Begun |
| 1-0 | 46 | 1976 | Sokolsky Memorial 1976/77 | D20 Queen's Gambit Accepted |
| 12. Savon vs S Begun |
| 1-0 | 39 | 1976 | Sokolsky Memorial 1976/77 | C03 French, Tarrasch |
| 13. V Dydyshko vs S Begun |
| ½-½ | 26 | 1976 | Baltic Republics Championship | E59 Nimzo-Indian, 4.e3, Main line |
| 14. A Kapengut vs S Begun |
| ½-½ | 45 | 1976 | Sokolsky Memorial 1976/77 | C07 French, Tarrasch |
| 15. A Shmit vs S Begun |
| 1-0 | 23 | 1976 | Baltic Republics Championship | C10 French |
| 16. S Begun vs A Veingold |
| 0-1 | 32 | 1976 | Baltic Republics Championship | A04 Reti Opening |
| 17. S Begun vs Y Zelinsky |
| 1-0 | 30 | 1977 | Match-Tournament (Team) | D58 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst |
| 18. S Begun vs V Stukalov |
 | 1-0 | 16 | 1977 | Astrakhan | C41 Philidor Defense |
| 19. B Maryasin vs S Begun |
| ½-½ | 32 | 1977 | Belarusian Championship | B45 Sicilian, Taimanov |
| 20. A Kapengut vs S Begun |
| 1-0 | 30 | 1977 | Belarusian Championship | B45 Sicilian, Taimanov |
| 21. V Dydyshko vs S Begun |
| 1-0 | 30 | 1978 | Sokolsky Memorial | D42 Queen's Gambit Declined, Semi-Tarrasch, 7.Bd3 |
| 22. S Begun vs A Kapengut |
| 0-1 | 15 | 1978 | Sokolsky Memorial | A04 Reti Opening |
| 23. Kasparov vs S Begun |
 | 1-0 | 24 | 1978 | Sokolsky Memorial | D42 Queen's Gambit Declined, Semi-Tarrasch, 7.Bd3 |
| 24. Lutikov vs S Begun |
| ½-½ | 30 | 1978 | Sokolsky Memorial | B45 Sicilian, Taimanov |
| 25. S Begun vs A Kovalev |
| 1-0 | 37 | 1981 | Sokolsky Memorial | A88 Dutch, Leningrad, Main Variation with c6 |
Kibitzing
