| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. S Nikolov vs K Stefanov |
| 0-1 | 28 | 1982 | Bulgarian Championship | B43 Sicilian, Kan, 5.Nc3 |
| 2. N Iordanov vs S Nikolov |
| 1-0 | 38 | 1982 | Bulgarian Championship | C91 Ruy Lopez, Closed |
| 3. S Nikolov vs N Kirov |
| ½-½ | 56 | 1982 | Bulgarian Championship | B43 Sicilian, Kan, 5.Nc3 |
| 4. K Georgiev vs S Nikolov |
| ½-½ | 51 | 1982 | Bulgarian Championship | C91 Ruy Lopez, Closed |
| 5. P Velikov vs S Nikolov |
| ½-½ | 52 | 1982 | Bulgarian Championship | E60 King's Indian Defense |
| 6. T Toshkov vs S Nikolov |
| 0-1 | 39 | 1982 | Bulgarian Championship | E80 King's Indian, Samisch Variation |
| 7. S Nikolov vs D Donchev |
| ½-½ | 52 | 1982 | Bulgarian Championship | C41 Philidor Defense |
| 8. S Nikolov vs K Georgiev |
| 0-1 | 36 | 1982 | Bulgarian Championship | B77 Sicilian, Dragon, Yugoslav Attack |
| 9. V Lukov vs S Nikolov |
| 1-0 | 65 | 1982 | Bulgarian Championship | B83 Sicilian |
| 10. S Nikolov vs L Spassov |
| 1-0 | 29 | 1982 | Bulgarian Championship | B90 Sicilian, Najdorf |
| 11. L Popov vs S Nikolov |
| 0-1 | 39 | 1982 | Bulgarian Championship | D41 Queen's Gambit Declined, Semi-Tarrasch |
| 12. S Nikolov vs N Spiridonov |
| 0-1 | 33 | 1982 | Bulgarian Championship | A07 King's Indian Attack |
| 13. S Nikolov vs M Garkov |
| 0-1 | 30 | 1982 | Bulgarian Championship | C93 Ruy Lopez, Closed, Smyslov Defense |
| 14. S Nikolov vs D Lalev |
| 1-0 | 25 | 1982 | Bulgarian Championship | B40 Sicilian |
| 15. V Inkiov vs S Nikolov |
| ½-½ | 41 | 1982 | Bulgarian Championship | B61 Sicilian, Richter-Rauzer, Larsen Variation, 7.Qd2 |
| 16. D Donchev vs S Nikolov |
  | 1-0 | 81 | 1987 | Bulgaria | B97 Sicilian, Najdorf |
| 17. S Nikolov vs B Iliev |
| 1-0 | 31 | 1987 | Bulgarian Championship | D34 Queen's Gambit Declined, Tarrasch |
| 18. T Tinkov vs S Nikolov |
| 1-0 | 25 | 1987 | Bulgarian Championship | B89 Sicilian |
| 19. S Nikolov vs A Karagiannis |
| 0-1 | 26 | 1987 | Bulgarian Championship | E61 King's Indian |
| 20. S Nikolov vs P Genov |
| 1-0 | 29 | 1987 | Bulgarian Championship | D31 Queen's Gambit Declined |
| 21. S Nikolov vs E Ermenkov |
| ½-½ | 45 | 1987 | Bulgarian Championship | A56 Benoni Defense |
| 22. S Nikolov vs I Radulov |
| 1-0 | 59 | 1988 | BUL-ch | A41 Queen's Pawn Game (with ...d6) |
| 23. S Nikolov vs V Vepkhvishvili |
| 1-0 | 35 | 1988 | Open Bonsist-88 | E97 King's Indian |
| 24. S Nikolov vs Vasil Popov |
| 1-0 | 55 | 1992 | BUL-ch sf | A40 Queen's Pawn Game |
| 25. R Gocheva vs S Nikolov |
| 0-1 | 60 | 1992 | Bankia op | C02 French, Advance |
Kibitzing
