| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. B Kolvig vs K Lagha |
| 0-1 | 39 | 1960 | Leipzig Olympiad qual-3 | A00 Uncommon Opening |
| 27. I Bilek vs B Kolvig |
| 1-0 | 27 | 1960 | Leipzig Olympiad qual-3 | D30 Queen's Gambit Declined |
| 28. B Kolvig vs A Angos |
| ½-½ | 42 | 1960 | Leipzig Olympiad qual-3 | B00 Uncommon King's Pawn Opening |
| 29. N Namzhil vs B Kolvig |
| ½-½ | 67 | 1960 | Leipzig Olympiad qual-3 | A19 English, Mikenas-Carls, Sicilian Variation |
| 30. B Kolvig vs M Johansson |
| 1-0 | 28 | 1960 | Leipzig Olympiad qual-3 | A00 Uncommon Opening |
| 31. B Kolvig vs F Thorbergsson |
| ½-½ | 40 | 1960 | Leipzig Olympiad qual-3 | E94 King's Indian, Orthodox |
| 32. B Kolvig vs M Zubieta Villegas |
| 1-0 | 29 | 1960 | Leipzig Olympiad qual-3 | E08 Catalan, Closed |
| 33. U Raisa vs B Kolvig |
| 1-0 | 45 | 1960 | Leipzig Olympiad Final-B | D97 Grunfeld, Russian |
| 34. Sliwa vs B Kolvig |
| 0-1 | 23 | 1960 | Leipzig Olympiad Final-B | D10 Queen's Gambit Declined Slav |
| 35. J Lokvenc vs B Kolvig |
| 1-0 | 41 | 1960 | Leipzig Olympiad Final-B | A04 Reti Opening |
| 36. B Kolvig vs F J Perez |
| ½-½ | 31 | 1960 | Leipzig Olympiad Final-B | B59 Sicilian, Boleslavsky Variation, 7.Nb3 |
| 37. B Kolvig vs E Lundin |
| 1-0 | 31 | 1960 | Leipzig Olympiad Final-B | C92 Ruy Lopez, Closed |
| 38. B Kolvig vs S Johannessen |
| 0-1 | 40 | 1960 | Leipzig Olympiad Final-B | A00 Uncommon Opening |
| 39. G Gunnarsson vs B Kolvig |
| 0-1 | 27 | 1960 | Leipzig Olympiad Final-B | D86 Grunfeld, Exchange |
| 40. E Larrain Cadiz vs B Kolvig |
| 0-1 | 36 | 1960 | Leipzig Olympiad Final-B | C78 Ruy Lopez |
| 41. B Kolvig vs J Rodriguez Gonzalez |
| ½-½ | 13 | 1960 | Leipzig Olympiad Final-B | E70 King's Indian |
| 42. B Kolvig vs Portisch |
| 0-1 | 36 | 1962 | Varna Olympiad qual-4 | B43 Sicilian, Kan, 5.Nc3 |
| 43. B Kolvig vs Robatsch |
| ½-½ | 41 | 1962 | Varna Olympiad qual-4 | A42 Modern Defense, Averbakh System |
| 44. J Penrose vs B Kolvig |
| 1-0 | 28 | 1962 | Varna Olympiad qual-4 | C41 Philidor Defense |
| 45. B Kolvig vs Najdorf |
| 0-1 | 33 | 1962 | Varna Olympiad qual-4 | B97 Sicilian, Najdorf |
| 46. P Puig Pulido vs B Kolvig |
| ½-½ | 33 | 1962 | Varna Olympiad Final-B | C69 Ruy Lopez, Exchange, Gligoric Variation |
| 47. B Kolvig vs E Jimenez Zerquera |
| ½-½ | 44 | 1962 | Varna Olympiad Final-B | E01 Catalan, Closed |
| 48. Sliwa vs B Kolvig |
 | 1-0 | 35 | 1962 | Varna Olympiad Final-B | A16 English |
| 49. B Kolvig vs S Purevzhav |
| 1-0 | 41 | 1962 | Varna Olympiad Final-B | A06 Reti Opening |
| 50. B Kolvig vs O'Kelly |
| 0-1 | 33 | 1962 | Varna Olympiad Final-B | B44 Sicilian |
Kibitzing
