| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. G Grigorov vs V Petkov |
| ½-½ | 74 | 2005 | Bulgarian Championship | A45 Queen's Pawn Game |
| 27. V Petkov vs N Ninov |
| ½-½ | 26 | 2005 | Bulgarian Championship | E45 Nimzo-Indian, 4.e3, Bronstein (Byrne) Variation |
| 28. D Dochev vs V Petkov |
| 0-1 | 56 | 2005 | Bulgarian Championship | B90 Sicilian, Najdorf |
| 29. V Petkov vs D Bojkov |
| 0-1 | 55 | 2005 | Bulgarian Championship | E94 King's Indian, Orthodox |
| 30. V Iotov vs V Petkov |
| 1-0 | 46 | 2005 | Bulgarian Championship | A57 Benko Gambit |
| 31. V Petkov vs B Chatalbashev |
| ½-½ | 5 | 2005 | Bulgarian Championship | D50 Queen's Gambit Declined |
| 32. V Moskalenko vs V Petkov |
| 1-0 | 43 | 2005 | La Pobla de Lillet op 15th | E27 Nimzo-Indian, Samisch Variation |
| 33. V Petkov vs C Nanu |
| 1-0 | 55 | 2005 | Ortigueira op 4th | A40 Queen's Pawn Game |
| 34. V Petkov vs C Nanu |
| ½-½ | 32 | 2005 | Vila de Marin op 5th | E20 Nimzo-Indian |
| 35. N Dobrev vs V Petkov |
| 1-0 | 41 | 2005 | BUL-chT | A46 Queen's Pawn Game |
| 36. V Petkov vs I Jakic |
| 0-1 | 63 | 2005 | Zadar Open | D48 Queen's Gambit Declined Semi-Slav, Meran |
| 37. V Petkov vs U Krstic |
| 1-0 | 49 | 2005 | Zadar Open | E97 King's Indian |
| 38. J Skoberne vs V Petkov |
| 0-1 | 29 | 2005 | Zadar Open | B22 Sicilian, Alapin |
| 39. T Sakelsek vs V Petkov |
| 0-1 | 38 | 2005 | Zadar Open | B80 Sicilian, Scheveningen |
| 40. D Pavasovic vs V Petkov |
| ½-½ | 63 | 2005 | Zadar Open | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 41. V Petkov vs A Brkic |
| ½-½ | 24 | 2005 | Zadar Open | D80 Grunfeld |
| 42. V Petkov vs V Gagarin |
 | 1-0 | 50 | 2005 | Zadar Open | D45 Queen's Gambit Declined Semi-Slav |
| 43. M Tratar vs V Petkov |
| ½-½ | 41 | 2005 | Zadar Open | D44 Queen's Gambit Declined Semi-Slav |
| 44. V Petkov vs Z Kozul |
| 1-0 | 47 | 2005 | Zadar Open | E94 King's Indian, Orthodox |
| 45. V Petkov vs D Housieaux |
| 1-0 | 54 | 2006 | Cappelle Open | E94 King's Indian, Orthodox |
| 46. A Vul vs V Petkov |
| 0-1 | 39 | 2006 | Cappelle Open | D44 Queen's Gambit Declined Semi-Slav |
| 47. A Zozulia vs V Petkov |
| 1-0 | 44 | 2006 | Cappelle Open | B92 Sicilian, Najdorf, Opocensky Variation |
| 48. V Petkov vs V Gashimov |
| 0-1 | 18 | 2006 | Cappelle Open | A60 Benoni Defense |
| 49. V Petkov vs M Makropoulou |
| 0-1 | 31 | 2006 | Cappelle Open | D15 Queen's Gambit Declined Slav |
| 50. V Petkov vs M Nikolov |
| 1-0 | 23 | 2006 | BUL-ch 70th | E21 Nimzo-Indian, Three Knights |
Kibitzing
