| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. T Pirttimaki vs D Roos |
| ½-½ | 41 | 1980 | Valletta Olympiad | B10 Caro-Kann |
| 27. D Roos vs S Kagan |
| 0-1 | 56 | 1980 | Valletta Olympiad | A07 King's Indian Attack |
| 28. D Roos vs T Shaw |
| ½-½ | 25 | 1980 | Valletta Olympiad | C50 Giuoco Piano |
| 29. D Roos vs R Haddad |
| 1-0 | 26 | 1981 | World Youth U26 Team Championship | C50 Giuoco Piano |
| 30. D Roos vs C McNab |
| ½-½ | 40 | 1981 | World Youth U26 Team Championship | A07 King's Indian Attack |
| 31. L Karsa vs D Roos |
| ½-½ | 52 | 1981 | World Youth U26 Team Championship | D95 Grunfeld |
| 32. A Yusupov vs D Roos |
 | 1-0 | 28 | 1981 | World Youth U26 Team Championship | D85 Grunfeld |
| 33. R Lau vs D Roos |
| ½-½ | 30 | 1981 | World Youth U26 Team Championship | B16 Caro-Kann, Bronstein-Larsen Variation |
| 34. D Roos vs A Gfeller |
| ½-½ | 22 | 1981 | World Youth U26 Team Championship | A07 King's Indian Attack |
| 35. D Roos vs C Braga |
| ½-½ | 19 | 1981 | World Youth U26 Team Championship | A07 King's Indian Attack |
| 36. Plaskett vs D Roos |
| 1-0 | 24 | 1981 | World Youth U26 Team Championship | B12 Caro-Kann Defense |
| 37. N Grinberg vs D Roos |
| ½-½ | 42 | 1981 | World Youth U26 Team Championship | D78 Neo-Grunfeld, 6.O-O c6 |
| 38. D Roos vs R Ekstrom |
| ½-½ | 46 | 1981 | World Youth U26 Team Championship | A07 King's Indian Attack |
| 39. D Roos vs R Henley |
| 1-0 | 32 | 1981 | World Youth U26 Team Championship | C04 French, Tarrasch, Guimard Main line |
| 40. G Oswald vs D Roos |
| 0-1 | 29 | 1981 | Manchester Benedictine Open | B16 Caro-Kann, Bronstein-Larsen Variation |
| 41. D Roos vs D Ciric |
| ½-½ | 25 | 1981 | Manchester Benedictine Open | B16 Caro-Kann, Bronstein-Larsen Variation |
| 42. Y Kraidman vs D Roos |
| 0-1 | 52 | 1981 | Manchester Benedictine Open | D92 Grunfeld, 5.Bf4 |
| 43. D Roos vs J Murey |
| 0-1 | 48 | 1981 | Manchester Benedictine Open | B25 Sicilian, Closed |
| 44. G Flear vs D Roos |
| 0-1 | 35 | 1981 | Manchester Benedictine Open | D82 Grunfeld, 4.Bf4 |
| 45. D Roos vs J M Dominguez |
| 1-0 | 34 | 1982 | Lucerne Olympiad | A07 King's Indian Attack |
| 46. R Bjerke vs D Roos |
| 0-1 | 74 | 1982 | Lucerne Olympiad | D91 Grunfeld, 5.Bg5 |
| 47. J Adamski vs D Roos |
| 0-1 | 37 | 1982 | Lucerne Olympiad | A15 English |
| 48. D Roos vs Chandler |
| ½-½ | 46 | 1982 | Lucerne Olympiad | B25 Sicilian, Closed |
| 49. D Roos vs J Rubinetti |
| 0-1 | 41 | 1982 | Lucerne Olympiad | C55 Two Knights Defense |
| 50. D Roos vs A Zadrima |
| 1-0 | 53 | 1982 | Lucerne Olympiad | C55 Two Knights Defense |
Kibitzing
