| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 126. A Ornstein vs I Bilek |
| ½-½ | 26 | 1974 | Nice Olympiad Final-A | A56 Benoni Defense |
| 127. A Ornstein vs Kavalek |
| ½-½ | 31 | 1974 | Nice Olympiad Final-A | A21 English |
| 128. Spassky vs A Ornstein |
  | ½-½ | 74 | 1974 | Nice Olympiad Final-A | C34 King's Gambit Accepted |
| 129. G Tringov vs A Ornstein |
| 1-0 | 39 | 1974 | Nice Olympiad Final-A | B84 Sicilian, Scheveningen |
| 130. A Ornstein vs E Torre |
| ½-½ | 44 | 1974 | Nice Olympiad Final-A | E98 King's Indian, Orthodox, Taimanov, 9.Ne1 |
| 131. A Ornstein vs R Calvo Minguez |
| 1-0 | 38 | 1974 | Nice Olympiad Final-A | C72 Ruy Lopez, Modern Steinitz Defense, 5.O-O |
| 132. A Ornstein vs Ljubojevic |
| ½-½ | 23 | 1974 | Nice Olympiad Final-A | A15 English |
| 133. A Ornstein vs Jansa |
| ½-½ | 54 | 1974 | Nice Olympiad Final-A | D93 Grunfeld, with Bf4 & e3 |
| 134. J Penrose vs A Ornstein |
| ½-½ | 14 | 1974 | Nice Olympiad Final-A | C05 French, Tarrasch |
| 135. A Ornstein vs I Sinclair |
| 1-0 | 26 | 1974 | World Student Team Championship qual-2 | B14 Caro-Kann, Panov-Botvinnik Attack |
| 136. R Meulders vs A Ornstein |
| 1-0 | 37 | 1974 | World Student Team Championship qual-2 | B81 Sicilian, Scheveningen, Keres Attack |
| 137. A Ornstein vs Adorjan |
| 1-0 | 42 | 1974 | World Student Team Championship qual-2 | A40 Queen's Pawn Game |
| 138. W Wittmann vs A Ornstein |
| ½-½ | 52 | 1974 | World Student Team Championship qual-2 | C72 Ruy Lopez, Modern Steinitz Defense, 5.O-O |
| 139. A Ornstein vs D Verduga |
| 1-0 | 42 | 1974 | World Student Team Championship Final-B | B90 Sicilian, Najdorf |
| 140. A Ornstein vs L Gilden |
| 0-1 | 33 | 1974 | 75th US Open | B82 Sicilian, Scheveningen |
| 141. A Ornstein vs I Asmundsson |
| 1-0 | 32 | 1974 | Eckernfoerde tt | A81 Dutch |
| 142. Ljubojevic vs A Ornstein |
| 1-0 | 47 | 1975 | TV game | B68 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 9...Be7 |
| 143. A Ornstein vs P Poutiainen |
| 1-0 | 32 | 1975 | Rilton Cup 1974/75 | A10 English |
| 144. A Vinje Gulbrandsen vs A Ornstein |
| 0-1 | 28 | 1975 | Eksjo | A45 Queen's Pawn Game |
| 145. A Ornstein vs H Akvist |
| 1-0 | 49 | 1975 | Eksjo | C00 French Defense |
| 146. L Schneider vs A Ornstein |
| ½-½ | 58 | 1975 | Eksjo | C09 French, Tarrasch, Open Variation, Main line |
| 147. E Paoli vs A Ornstein |
| 0-1 | 49 | 1975 | Eksjo | B84 Sicilian, Scheveningen |
| 148. A Ornstein vs H Hecht |
| 0-1 | 30 | 1975 | Eksjo | E45 Nimzo-Indian, 4.e3, Bronstein (Byrne) Variation |
| 149. H Ek vs A Ornstein |
| ½-½ | 35 | 1975 | Eksjo | D80 Grunfeld |
| 150. A Ornstein vs P Peev |
| 1-0 | 24 | 1975 | Eksjo | B08 Pirc, Classical |
Kibitzing
