| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. J Stefanov vs U Kuettner |
| 0-1 | 43 | 1959 | World Junior Championship Final-A | E66 King's Indian, Fianchetto, Yugoslav Panno |
| 27. C Clemens vs J Stefanov |
| ½-½ | 21 | 1959 | World Junior Championship Final-A | B36 Sicilian, Accelerated Fianchetto |
| 28. J Stefanov vs A Tomson |
 | ½-½ | 60 | 1959 | World Junior Championship Final-A | A04 Reti Opening |
| 29. J R Phillips vs J Stefanov |
| ½-½ | 44 | 1959 | World Junior Championship Final-A | B32 Sicilian |
| 30. J Stefanov vs S Hamann |
| ½-½ | 29 | 1959 | World Junior Championship Final-A | A05 Reti Opening |
| 31. R Naranja vs J Stefanov |
| 0-1 | 34 | 1959 | World Junior Championship Final-A | E64 King's Indian, Fianchetto, Yugoslav System |
| 32. J Stefanov vs C Bielicki |
| ½-½ | 41 | 1959 | World Junior Championship Final-A | A05 Reti Opening |
| 33. F Kuijpers vs J Stefanov |
| ½-½ | 41 | 1959 | World Junior Championship Final-A | B08 Pirc, Classical |
| 34. K Sales vs J Stefanov |
| ½-½ | 18 | 1960 | WchT U26 07th | E61 King's Indian |
| 35. D Pantaleev vs J Stefanov |
| ½-½ | 41 | 1962 | Bulgarian Championship | E82 King's Indian, Samisch, double Fianchetto Variation |
| 36. J Stefanov vs A Tsvetkov |
| ½-½ | 30 | 1962 | Bulgarian Championship | A05 Reti Opening |
| 37. Bobotsov vs J Stefanov |
| 1-0 | 54 | 1962 | Bulgarian Championship | E82 King's Indian, Samisch, double Fianchetto Variation |
| 38. J Stefanov vs V Prahov |
| 0-1 | 30 | 1962 | Bulgarian Championship | D78 Neo-Grunfeld, 6.O-O c6 |
| 39. F Filipov vs J Stefanov |
| 1-0 | 53 | 1962 | Bulgarian Championship | E67 King's Indian, Fianchetto |
| 40. J Stefanov vs L Popov |
| ½-½ | 37 | 1962 | Bulgarian Championship | A04 Reti Opening |
| 41. M Milev vs J Stefanov |
| 1-0 | 42 | 1962 | Bulgarian Championship | A04 Reti Opening |
| 42. R Filchev vs J Stefanov |
| ½-½ | 30 | 1962 | Bulgarian Championship | E61 King's Indian |
| 43. J Stefanov vs P Orev |
| ½-½ | 41 | 1962 | Bulgarian Championship | A97 Dutch, Ilyin-Genevsky |
| 44. A Kolarov vs J Stefanov |
| 1-0 | 25 | 1962 | Bulgarian Championship | E93 King's Indian, Petrosian System |
| 45. J Stefanov vs E Karastoichev |
| 1-0 | 32 | 1962 | Bulgarian Championship | A04 Reti Opening |
| 46. O Neikirch vs J Stefanov |
| 1-0 | 34 | 1962 | Bulgarian Championship | A48 King's Indian |
| 47. J Stefanov vs N Minev |
| 0-1 | 76 | 1962 | Bulgarian Championship | A06 Reti Opening |
| 48. I Radulov vs J Stefanov |
| 0-1 | 30 | 1962 | Bulgarian Championship | B32 Sicilian |
| 49. J Stefanov vs N Iordanov |
| 0-1 | 32 | 1962 | Bulgarian Championship | A49 King's Indian, Fianchetto without c4 |
| 50. N Padevsky vs J Stefanov |
| 1-0 | 40 | 1962 | Bulgarian Championship | B32 Sicilian |
Kibitzing
