| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. B Sundberg vs S Nedeljkovic |
| ½-½ | 49 | 1950 | SWE-YUG | A47 Queen's Indian |
| 27. S Nedeljkovic vs B Sundberg |
| 1-0 | 57 | 1950 | SWE-YUG | E33 Nimzo-Indian, Classical |
| 28. B Sundberg vs A Vestol |
| 0-1 | 24 | 1950 | Nordic Congress, Reykjavik | E16 Queen's Indian |
| 29. E Gilfer vs B Sundberg |
| 1-0 | 46 | 1950 | Nordic Congress, Reykjavik | E12 Queen's Indian |
| 30. B Sundberg vs P M Nielsen |
| 0-1 | 39 | 1950 | Nordic Congress, Reykjavik | D04 Queen's Pawn Game |
| 31. O Kinnmark vs B Sundberg |
| ½-½ | 43 | 1950 | Nordic Congress, Reykjavik | C48 Four Knights |
| 32. B Sundberg vs S Herseth |
| 1-0 | 51 | 1950 | Nordic Congress, Reykjavik | D38 Queen's Gambit Declined, Ragozin Variation |
| 33. G Agustsson vs B Sundberg |
| 1-0 | 53 | 1950 | Nordic Congress, Reykjavik | D03 Torre Attack (Tartakower Variation) |
| 34. B Sundberg vs J Nielsen |
| ½-½ | 22 | 1950 | Nordic Congress, Reykjavik | D02 Queen's Pawn Game |
| 35. B Moller vs B Sundberg |
| 1-0 | 55 | 1950 | Nordic Congress, Reykjavik | E22 Nimzo-Indian, Spielmann Variation |
| 36. B Sundberg vs G Sigurdsson |
| 0-1 | 53 | 1950 | Nordic Congress, Reykjavik | D05 Queen's Pawn Game |
| 37. B Sundberg vs J A Fred |
| ½-½ | 41 | 1951 | Match/Nation SWE-FIN | A47 Queen's Indian |
| 38. J A Fred vs B Sundberg |
| ½-½ | 36 | 1951 | Match/Nation SWE-FIN | A13 English |
| 39. Palmiotti vs B Sundberg |
| 0-1 | 51 | 1973 | corr 1.EU tt | B17 Caro-Kann, Steinitz Variation |
| 40. B Sundberg vs Dubois |
| 0-1 | 67 | 1973 | corr 1.EU tt | D01 Richter-Veresov Attack |
Kibitzing
