| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. D Trifonov vs M J Tempone |
| ½-½ | 12 | 1982 | World Junior Championship | D55 Queen's Gambit Declined |
| 27. I Morovic Fernandez vs D Trifonov |
| 1-0 | 53 | 1982 | World Junior Championship | D37 Queen's Gambit Declined |
| 28. D Trifonov vs A Fernandes |
| 1-0 | 40 | 1982 | World Junior Championship | E76 King's Indian, Four Pawns Attack |
| 29. D Trifonov vs O R Lloyd |
| 1-0 | 41 | 1982 | World Junior Championship | D59 Queen's Gambit Declined, Tartakower |
| 30. D Trifonov vs D Hergott |
| 1-0 | 67 | 1982 | World Junior Championship | A10 English |
| 31. D Trifonov vs V Lukov |
| 0-1 | 47 | 1983 | BUL-ch | B53 Sicilian |
| 32. P Peelen vs D Trifonov |
| 1-0 | 41 | 1983 | European Junior Championship 1983/84 | D55 Queen's Gambit Declined |
| 33. D Trifonov vs J Wagner |
| 1-0 | 16 | 1983 | European Junior Championship 1983/84 | C68 Ruy Lopez, Exchange |
| 34. B Jonsson vs D Trifonov |
| ½-½ | 16 | 1983 | European Junior Championship 1983/84 | D55 Queen's Gambit Declined |
| 35. D Trifonov vs P Staniszewski |
| ½-½ | 54 | 1983 | European Junior Championship 1983/84 | E62 King's Indian, Fianchetto |
| 36. J Adler vs D Trifonov |
| ½-½ | 36 | 1983 | European Junior Championship 1983/84 | E14 Queen's Indian |
| 37. D Trifonov vs R Lutz |
| 0-1 | 39 | 1983 | European Junior Championship 1983/84 | B08 Pirc, Classical |
| 38. Nijboer vs D Trifonov |
| 0-1 | 57 | 1983 | European Junior Championship 1983/84 | B74 Sicilian, Dragon, Classical |
| 39. D Trifonov vs B Miljanic |
| 1-0 | 46 | 1983 | European Junior Championship 1983/84 | A13 English |
| 40. S Agdestein vs D Trifonov |
| 1-0 | 28 | 1983 | European Junior Championship 1983/84 | D37 Queen's Gambit Declined |
| 41. M Ebeling vs D Trifonov |
| ½-½ | 63 | 1983 | European Junior Championship 1983/84 | B21 Sicilian, 2.f4 and 2.d4 |
| 42. D Trifonov vs S R Mannion |
| ½-½ | 40 | 1983 | European Junior Championship 1983/84 | A34 English, Symmetrical |
| 43. D Trifonov vs G Miralles |
| 0-1 | 57 | 1984 | European Junior Championship 1983/84 | A29 English, Four Knights, Kingside Fianchetto |
| 44. J R Smith vs D Trifonov |
| 0-1 | 41 | 1984 | European Junior Championship 1983/84 | A34 English, Symmetrical |
| 45. S Ivanov vs D Trifonov |
| ½-½ | 27 | 1986 | Elenite op | A04 Reti Opening |
| 46. N Borge vs D Trifonov |
| 0-1 | 45 | 1989 | Copenhagen Obro Open | A09 Reti Opening |
| 47. D Trifonov vs S Brynell |
| ½-½ | 84 | 1989 | Copenhagen Obro Open | C05 French, Tarrasch |
| 48. L Sandstrom vs D Trifonov |
| 0-1 | 34 | 1989 | Copenhagen Obro Open | D36 Queen's Gambit Declined, Exchange, Positional line, 6.Qc2 |
| 49. L Vogt vs D Trifonov |
| 1-0 | 42 | 1989 | Copenhagen Obro Open | B93 Sicilian, Najdorf, 6.f4 |
| 50. D Trifonov vs P Jakobsen |
| 1-0 | 59 | 1989 | Copenhagen Obro Open | B53 Sicilian |
Kibitzing
