| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 151. A Sznapik vs L Karlsson |
| ½-½ | 30 | 1981 | Vrnjacka Banja | B32 Sicilian |
| 152. L Karlsson vs S Djuric |
| 0-1 | 62 | 1981 | Vrnjacka Banja | B40 Sicilian |
| 153. S Skembris vs L Karlsson |
| ½-½ | 17 | 1981 | Vrnjacka Banja | A31 English, Symmetrical, Benoni Formation |
| 154. W Schmidt vs L Karlsson |
| 0-1 | 31 | 1981 | Vrnjacka Banja | A77 Benoni, Classical, 9...Re8, 10.Nd2 |
| 155. L Karlsson vs S Martinovic |
| 1-0 | 42 | 1981 | Vrnjacka Banja | A16 English |
| 156. C Laird vs L Karlsson |
| 0-1 | 47 | 1981 | Copenhagen Open | B32 Sicilian |
| 157. L Karlsson vs E Mortensen |
| 0-1 | 40 | 1981 | Copenhagen Open | A23 English, Bremen System, Keres Variation |
| 158. L D Evans vs L Karlsson |
 | 0-1 | 40 | 1981 | Copenhagen Open | B00 Uncommon King's Pawn Opening |
| 159. L Karlsson vs T Ernst |
| 1-0 | 41 | 1981 | Copenhagen Open | A01 Nimzovich-Larsen Attack |
| 160. S Taulbut vs L Karlsson |
| ½-½ | 25 | 1981 | Copenhagen Open | B30 Sicilian |
| 161. L Karlsson vs J Pokojowczyk |
| 0-1 | 38 | 1981 | Copenhagen Open | A14 English |
| 162. D Hansson vs L Karlsson |
| 0-1 | 39 | 1981 | Copenhagen Open | B32 Sicilian |
| 163. L Karlsson vs Jansa |
| 0-1 | 44 | 1981 | Copenhagen Open | A05 Reti Opening |
| 164. L M Kovacs vs L Karlsson |
| 0-1 | 57 | 1981 | Copenhagen Open | B30 Sicilian |
| 165. L Roos vs L Karlsson |
| ½-½ | 59 | 1981 | Copenhagen Open | A07 King's Indian Attack |
| 166. Jansa vs L Karlsson |
| ½-½ | 46 | 1981 | Svendborg | B70 Sicilian, Dragon Variation |
| 167. Keene vs L Karlsson |
| 0-1 | 48 | 1981 | Esbjerg | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 168. L Karlsson vs E Mortensen |
| 1-0 | 42 | 1981 | Esbjerg | A25 English |
| 169. J Mestel vs L Karlsson |
| 1-0 | 41 | 1981 | Esbjerg | B32 Sicilian |
| 170. L Karlsson vs C Hoi |
| ½-½ | 9 | 1981 | Esbjerg | A10 English |
| 171. L Karlsson vs J Bednarski |
| 1-0 | 29 | 1981 | Svendborg | A04 Reti Opening |
| 172. J H Donner vs L Karlsson |
| ½-½ | 29 | 1981 | Svendborg | E41 Nimzo-Indian |
| 173. L Karlsson vs A Poulsen |
| 1-0 | 57 | 1981 | Svendborg | A14 English |
| 174. L Karlsson vs J O Pedersen |
| 1-0 | 21 | 1981 | Svendborg | A04 Reti Opening |
| 175. J Sloth vs L Karlsson |
| 0-1 | 43 | 1981 | Svendborg | A30 English, Symmetrical |
Kibitzing
