| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 76. D de Lange vs J Hector |
| 1-0 | 47 | 1982 | Gausdal International | D30 Queen's Gambit Declined |
| 77. O Popovych vs D de Lange |
| 0-1 | 36 | 1982 | Gausdal International | C30 King's Gambit Declined |
| 78. D de Lange vs L Ogaard |
| 1-0 | 42 | 1982 | Gausdal International | E10 Queen's Pawn Game |
| 79. A Balshan vs D de Lange |
| ½-½ | 28 | 1982 | Gausdal International | D13 Queen's Gambit Declined Slav, Exchange Variation |
| 80. D de Lange vs Shamkovich |
| ½-½ | 17 | 1982 | Gausdal International | D91 Grunfeld, 5.Bg5 |
| 81. D Cramling vs D de Lange |
| 1-0 | 29 | 1982 | Gausdal International | A18 English, Mikenas-Carls |
| 82. D de Lange vs H Bletz |
| 0-1 | 41 | 1982 | Gausdal International | A56 Benoni Defense |
| 83. V Guddahl vs D de Lange |
| ½-½ | 70 | 1982 | Gausdal International | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 84. de Firmian vs D de Lange |
| ½-½ | 55 | 1983 | Hamar op | C99 Ruy Lopez, Closed, Chigorin, 12...cd |
| 85. Kudrin vs D de Lange |
| 0-1 | 30 | 1983 | Hamar op | C53 Giuoco Piano |
| 86. Kudrin vs D de Lange |
| 0-1 | 30 | 1983 | Hamar op | C53 Giuoco Piano |
| 87. D de Lange vs J Nykopp |
| ½-½ | 29 | 1983 | Gausdal Jubilee | A31 English, Symmetrical, Benoni Formation |
| 88. P Stigar vs D de Lange |
| 1-0 | 32 | 1983 | Gausdal Jubilee | D41 Queen's Gambit Declined, Semi-Tarrasch |
| 89. D de Lange vs M Pavlovic |
| ½-½ | 27 | 1983 | Gausdal Jubilee | A57 Benko Gambit |
| 90. E Gausel vs D de Lange |
| ½-½ | 26 | 1983 | Gausdal Jubilee | D01 Richter-Veresov Attack |
| 91. D de Lange vs A Semakoff |
| ½-½ | 23 | 1983 | Gausdal Jubilee | D05 Queen's Pawn Game |
| 92. D de Lange vs M Schlagenhauf |
| 1-0 | 60 | 1986 | Troll Masters | B08 Pirc, Classical |
| 93. D de Lange vs B Lengyel |
| 1-0 | 35 | 1988 | Arnold Cup | D63 Queen's Gambit Declined, Orthodox Defense |
Kibitzing
