| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 126. M Heintze vs C Lehmann |
| 1-0 | 47 | 1975 | Halle (Women) | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 127. M Heintze vs A Jurczynska |
| 1-0 | 37 | 1975 | Halle (Women) | C10 French |
| 128. M Heintze vs C Kluss |
| 1-0 | 28 | 1975 | Halle (Women) | B23 Sicilian, Closed |
| 129. M Heintze vs B Sinka |
| ½-½ | 52 | 1975 | Halle (Women) | B23 Sicilian, Closed |
| 130. I Levitina vs M Heintze |
| 1-0 | 34 | 1975 | Halle (Women) | B06 Robatsch |
| 131. V Shikova vs M Heintze |
| 1-0 | 57 | 1975 | Halle (Women) | B06 Robatsch |
| 132. A Wagner-Michel vs M Heintze |
| ½-½ | 61 | 1975 | Halle (Women) | B06 Robatsch |
| 133. K Eretova vs M Heintze |
| ½-½ | 27 | 1975 | Halle (Women) | B08 Pirc, Classical |
| 134. G Espig vs M Heintze |
| 0-1 | 17 | 1975 | Halle (Women) | A25 English |
| 135. E Nuenchert vs M Heintze |
| 1-0 | 25 | 1976 | East German Championship (Women) | C10 French |
| 136. M Heintze vs P Feustel |
| ½-½ | 12 | 1976 | East German Championship (Women) | B58 Sicilian |
| 137. G Just vs M Heintze |
| 0-1 | 39 | 1976 | East German Championship (Women) | A02 Bird's Opening |
| 138. U Seidemann vs M Heintze |
| ½-½ | 28 | 1976 | East German Championship (Women) | A20 English |
| 139. M Heintze vs M Melzer |
| 1-0 | 56 | 1976 | East German Championship (Women) | B23 Sicilian, Closed |
| 140. M Pranner vs M Heintze |
| 0-1 | 47 | 1976 | East German Championship (Women) | B06 Robatsch |
| 141. M Heintze vs G Espig |
| 1-0 | 31 | 1976 | East German Championship (Women) | B62 Sicilian, Richter-Rauzer |
| 142. M Heintze vs H Bade |
| ½-½ | 19 | 1976 | East German Championship (Women) | C55 Two Knights Defense |
| 143. B Burchardt vs M Heintze |
| 1-0 | 32 | 1976 | East German Championship (Women) | B06 Robatsch |
| 144. M Heintze vs A Wagner-Michel |
| ½-½ | 15 | 1976 | East German Championship (Women) | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |
| 145. M Heintze vs L Janssen |
| 0-1 | 28 | 1976 | East German Championship (Women) | B41 Sicilian, Kan |
| 146. M Heintze vs C Von der Weth |
| 1-0 | 24 | 1976 | East German Championship (Women) | B18 Caro-Kann, Classical |
| 147. I Winter vs M Heintze |
| 0-1 | 86 | 1976 | East German Championship (Women) | A42 Modern Defense, Averbakh System |
| 148. G Szmacinska vs M Heintze |
| 0-1 | 56 | 1976 | Halle (Women) | A42 Modern Defense, Averbakh System |
| 149. M Heintze vs B Borisova |
| 1-0 | 35 | 1976 | Halle (Women) | C05 French, Tarrasch |
| 150. G Espig vs M Heintze |
| 0-1 | 42 | 1976 | Halle (Women) | A42 Modern Defense, Averbakh System |
Kibitzing
