| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 151. R Byrne vs I Johannsson |
| 1-0 | 63 | 1968 | Fiske Memorial, Reykjavik | B04 Alekhine's Defense, Modern |
| 152. I Johannsson vs A Fjeldsted |
| 1-0 | 41 | 1968 | Fiske Memorial, Reykjavik | D92 Grunfeld, 5.Bf4 |
| 153. I Johannsson vs L A Tan |
| 1-0 | 64 | 1968 | Lugano Olympiad qual-7 | A14 English |
| 154. I Johannsson vs Hort |
| 1-0 | 64 | 1968 | Lugano Olympiad qual-7 | A56 Benoni Defense |
| 155. I Johannsson vs G Tringov |
| 0-1 | 43 | 1968 | Lugano Olympiad qual-7 | E97 King's Indian |
| 156. I Johannsson vs A Pomar |
| ½-½ | 78 | 1968 | Lugano Olympiad Final-B | A12 English with b3 |
| 157. M Czerniak vs I Johannsson |
| 0-1 | 38 | 1968 | Lugano Olympiad Final-B | B02 Alekhine's Defense |
| 158. I Johannsson vs Westerinen |
| ½-½ | 16 | 1968 | Lugano Olympiad Final-B | D67 Queen's Gambit Declined, Orthodox Defense, Bd3 line |
| 159. A Dueckstein vs I Johannsson |
| 1-0 | 33 | 1968 | Lugano Olympiad Final-B | B02 Alekhine's Defense |
| 160. I Johannsson vs O'Kelly |
| ½-½ | 13 | 1968 | Lugano Olympiad Final-B | A15 English |
| 161. I Johannsson vs J Penrose |
| 0-1 | 40 | 1968 | Lugano Olympiad Final-B | E92 King's Indian |
| 162. Mecking vs I Johannsson |
| 1-0 | 30 | 1968 | Lugano Olympiad Final-B | B45 Sicilian, Taimanov |
| 163. Ujtumen vs I Johannsson |
| 0-1 | 34 | 1968 | Lugano Olympiad Final-B | B48 Sicilian, Taimanov Variation |
| 164. I Johannsson vs M Johansson |
| ½-½ | 14 | 1968 | Lugano Olympiad Final-B | D13 Queen's Gambit Declined Slav, Exchange Variation |
| 165. I Johannsson vs T Wibe |
| ½-½ | 38 | 1973 | Ribe 6 Nations chT | A38 English, Symmetrical |
| 166. S Fedder vs I Johannsson |
| 0-1 | 52 | 1973 | Ribe 6 Nations chT | D30 Queen's Gambit Declined |
| 167. I Johannsson vs M Christoph |
| 1-0 | 56 | 1973 | Ribe 6 Nations chT | A10 English |
| 168. B Jansson vs I Johannsson |
| ½-½ | 21 | 1973 | Ribe 6 Nations chT | C84 Ruy Lopez, Closed |
| 169. I Johannsson vs Y Rantanen |
| 1-0 | 50 | 1973 | Ribe 6 Nations chT | A04 Reti Opening |
| 170. I Johannsson vs J Dueball |
| 0-1 | 67 | 1974 | Nice Olympiad qual-5 | A10 English |
| 171. D Cox vs I Johannsson |
| ½-½ | 41 | 1974 | Nice Olympiad qual-5 | C44 King's Pawn Game |
| 172. Robatsch vs I Johannsson |
| ½-½ | 50 | 1974 | Nice Olympiad Final-B | A17 English |
| 173. G Bonner vs I Johannsson |
 | 0-1 | 23 | 1974 | Nice Olympiad Final-B | C44 King's Pawn Game |
| 174. R Hoen vs I Johannsson |
| ½-½ | 16 | 1974 | Nice Olympiad Final-B | B74 Sicilian, Dragon, Classical |
| 175. I Johannsson vs B Toth |
| 1-0 | 38 | 1974 | Nice Olympiad Final-B | E63 King's Indian, Fianchetto, Panno Variation |
Kibitzing
