| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 101. G Just vs M Heintze |
| ½-½ | 22 | 1974 | Halle (Women) | D37 Queen's Gambit Declined |
| 102. M Heintze vs B Burchardt |
| ½-½ | 42 | 1974 | Halle (Women) | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 103. M Heintze vs C Lehmann |
| ½-½ | 19 | 1974 | Halle (Women) | B09 Pirc, Austrian Attack |
| 104. M Heintze vs E Epstein |
| ½-½ | 29 | 1974 | Halle (Women) | E10 Queen's Pawn Game |
| 105. M Juncu vs M Heintze |
| ½-½ | 52 | 1974 | Halle (Women) | D37 Queen's Gambit Declined |
| 106. M Heintze vs P Feustel |
| 1-0 | 45 | 1974 | Halle (Women) | A04 Reti Opening |
| 107. M Porubszky-Angyalosine vs M Heintze |
| ½-½ | 49 | 1974 | Halle (Women) | B23 Sicilian, Closed |
| 108. M Petrova-Kalmukova vs M Heintze |
| 0-1 | 66 | 1974 | Halle (Women) | B06 Robatsch |
| 109. M Heintze vs A Wagner-Michel |
| ½-½ | 17 | 1974 | Halle (Women) | D02 Queen's Pawn Game |
| 110. W Nowarra vs M Heintze |
| ½-½ | 27 | 1974 | Halle (Women) | B06 Robatsch |
| 111. M Heintze vs H Bade |
| 0-1 | 48 | 1975 | East German Championship (Women) | C44 King's Pawn Game |
| 112. H Kube vs M Heintze |
| 0-1 | 23 | 1975 | East German Championship (Women) | A36 English |
| 113. C Lesky vs M Heintze |
| 0-1 | 43 | 1975 | East German Championship (Women) | A27 English, Three Knights System |
| 114. M Heintze vs U Seidemann |
| ½-½ | 21 | 1975 | East German Championship (Women) | E81 King's Indian, Samisch |
| 115. P Feustel vs M Heintze |
| 0-1 | 40 | 1975 | East German Championship (Women) | B06 Robatsch |
| 116. M Heintze vs E Nuenchert |
| ½-½ | 16 | 1975 | East German Championship (Women) | B42 Sicilian, Kan |
| 117. I Boettcher vs M Heintze |
| ½-½ | 34 | 1975 | East German Championship (Women) | A42 Modern Defense, Averbakh System |
| 118. I Winter vs M Heintze |
| ½-½ | 37 | 1975 | East German Championship (Women) | B06 Robatsch |
| 119. M Heintze vs R Braun |
| 1-0 | 37 | 1975 | East German Championship (Women) | B02 Alekhine's Defense |
| 120. C Kluss vs M Heintze |
| 0-1 | 39 | 1975 | East German Championship (Women) | B06 Robatsch |
| 121. A Wagner-Michel vs M Heintze |
| 1-0 | 23 | 1975 | East German Championship (Women) | B06 Robatsch |
| 122. M Heintze vs B Burchardt |
| ½-½ | 27 | 1975 | East German Championship (Women) | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 123. M Heintze vs C Lehmann |
| ½-½ | 15 | 1975 | East German Championship (Women) | B20 Sicilian |
| 124. M Heintze vs B Burchardt |
| ½-½ | 24 | 1975 | Halle (Women) | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 125. K Eretova vs M Heintze |
| ½-½ | 27 | 1975 | Halle (Women) | B08 Pirc, Classical |
Kibitzing
