| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 276. M J Franklin vs B Jansson |
| 0-1 | 30 | 1979 | 3rd Lloyds Bank Masters Open | A46 Queen's Pawn Game |
| 277. B Jansson vs G Botterill |
| ½-½ | 40 | 1979 | 3rd Lloyds Bank Masters Open | C18 French, Winawer |
| 278. B Jansson vs P van der Weide |
| 1-0 | 32 | 1979 | 3rd Lloyds Bank Masters Open | C41 Philidor Defense |
| 279. Chandler vs B Jansson |
| ½-½ | 49 | 1979 | 3rd Lloyds Bank Masters Open | B05 Alekhine's Defense, Modern |
| 280. C Crouch vs B Jansson |
| ½-½ | 42 | 1979 | 3rd Lloyds Bank Masters Open | A00 Uncommon Opening |
| 281. B Jansson vs Petursson |
| ½-½ | 31 | 1979 | 3rd Lloyds Bank Masters Open | B31 Sicilian, Rossolimo Variation |
| 282. B Jansson vs A P Law |
| 1-0 | 28 | 1979 | 3rd Lloyds Bank Masters Open | A13 English |
| 283. Westerinen vs B Jansson |
| ½-½ | 11 | 1979 | 3rd Lloyds Bank Masters Open | B04 Alekhine's Defense, Modern |
| 284. B Jansson vs P Lukacs |
| ½-½ | 43 | 1980 | European Team Championship | C77 Ruy Lopez |
| 285. N Birnboim vs B Jansson |
| 1-0 | 60 | 1980 | European Team Championship | E00 Queen's Pawn Game |
| 286. A Yusupov vs B Jansson |
| 1-0 | 40 | 1980 | European Team Championship | A47 Queen's Indian |
| 287. K Hulak vs B Jansson |
| 0-1 | 37 | 1980 | European Team Championship | B05 Alekhine's Defense, Modern |
| 288. T Ernst vs B Jansson |
 | ½-½ | 57 | 1983 | SWE-chT fin | B04 Alekhine's Defense, Modern |
Kibitzing
