| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. Csom vs B Andersson |
| 1-0 | 29 | 1967 | EU-chT preliminary | B07 Pirc |
| 27. B Andersson vs J Augustin |
| ½-½ | 21 | 1967 | EU-chT preliminary | A04 Reti Opening |
| 28. H Ek vs B Andersson |
| ½-½ | 29 | 1969 | Swedish Championship | A48 King's Indian |
| 29. B Andersson vs B Ekenberg |
| 1-0 | 40 | 1969 | Swedish Championship | C78 Ruy Lopez |
| 30. B Andersson vs Andersson |
| 0-1 | 53 | 1969 | Swedish Championship | B60 Sicilian, Richter-Rauzer |
| 31. B Andersson vs E Ahman |
| ½-½ | 26 | 1969 | Swedish Championship | B70 Sicilian, Dragon Variation |
| 32. O Alfredsson vs B Andersson |
| 0-1 | 22 | 1969 | Swedish Championship | E61 King's Indian |
| 33. B Andersson vs M Johansson |
| ½-½ | 29 | 1969 | Swedish Championship | E32 Nimzo-Indian, Classical |
| 34. B Andersson vs Z Nilsson |
| 0-1 | 51 | 1969 | Swedish Championship | C99 Ruy Lopez, Closed, Chigorin, 12...cd |
| 35. R End vs B Andersson |
| 0-1 | 37 | 1969 | Swedish Championship | B09 Pirc, Austrian Attack |
| 36. B Andersson vs S Platzack |
| ½-½ | 15 | 1969 | Swedish Championship | A42 Modern Defense, Averbakh System |
| 37. B Andersson vs K Skold |
| 1-0 | 57 | 1969 | Swedish Championship | C69 Ruy Lopez, Exchange, Gligoric Variation |
| 38. B Jansson vs B Andersson |
| 1-0 | 31 | 1969 | Swedish Championship | A14 English |
| 39. O Kinnmark vs B Andersson |
| 1-0 | 33 | 1969 | Swedish Championship | C41 Philidor Defense |
| 40. L Ljungquist vs B Andersson |
| 1-0 | 46 | 1969 | Swedish Championship | D46 Queen's Gambit Declined Semi-Slav |
| 41. A Olsson vs B Andersson |
| 0-1 | 28 | 1969 | Swedish Championship | B62 Sicilian, Richter-Rauzer |
| 42. B Andersson vs B Horberg |
| ½-½ | 33 | 1969 | Swedish Championship | C92 Ruy Lopez, Closed |
| 43. B Andersson vs L Ljungquist |
| ½-½ | 27 | 1970 | Swedish Championship | B07 Pirc |
| 44. B Andersson vs B Jansson |
| ½-½ | 16 | 1970 | Swedish Championship | B80 Sicilian, Scheveningen |
| 45. K Skold vs B Andersson |
| ½-½ | 75 | 1970 | Swedish Championship | B09 Pirc, Austrian Attack |
| 46. B Andersson vs M Johansson |
| ½-½ | 27 | 1970 | Swedish Championship | C78 Ruy Lopez |
| 47. O Kinnmark vs B Andersson |
| ½-½ | 20 | 1970 | Swedish Championship | C83 Ruy Lopez, Open |
| 48. H Ek vs B Andersson |
| ½-½ | 14 | 1970 | Swedish Championship | D45 Queen's Gambit Declined Semi-Slav |
| 49. A Olsson vs B Andersson |
| 1-0 | 37 | 1970 | Swedish Championship | C95 Ruy Lopez, Closed, Breyer |
| 50. Z Nilsson vs B Andersson |
| ½-½ | 20 | 1970 | Swedish Championship | A15 English |
Kibitzing
