Game |
| Result | Moves |
Year | Event/Locale | Opening |
76. G Pfeiffer vs O Benkner |
| 1-0 | 26 | 1952 | Helsinki Olympiad qual-1 | C90 Ruy Lopez, Closed |
77. G Pfeiffer vs Eliskases |
| 1-0 | 43 | 1952 | Helsinki Olympiad qual-1 | B50 Sicilian |
78. B Rabar vs G Pfeiffer |
| 1-0 | 40 | 1952 | Helsinki Olympiad Final-A | D50 Queen's Gambit Declined |
79. G Pfeiffer vs K Ojanen |
| 0-1 | 66 | 1952 | Helsinki Olympiad Final-A | C90 Ruy Lopez, Closed |
80. G Pfeiffer vs E Lundin |
| ½-½ | 81 | 1952 | Helsinki Olympiad Final-A | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
81. Pilnik vs G Pfeiffer |
| 1-0 | 41 | 1952 | Helsinki Olympiad Final-A | B21 Sicilian, 2.f4 and 2.d4 |
82. G Pfeiffer vs Pachman |
| ½-½ | 89 | 1952 | Helsinki Olympiad Final-A | C65 Ruy Lopez, Berlin Defense |
83. P Kremer vs G Pfeiffer |
| 0-1 | 32 | 1954 | Amsterdam Olympiad qual-4 | A47 Queen's Indian |
84. G Pfeiffer vs L Sanchez |
| ½-½ | 43 | 1954 | Amsterdam Olympiad qual-4 | C84 Ruy Lopez, Closed |
85. G Pfeiffer vs O Zimmermann |
| ½-½ | 17 | 1954 | Amsterdam Olympiad qual-4 | B01 Scandinavian |
86. G Kluger vs G Pfeiffer |
| ½-½ | 40 | 1954 | Amsterdam Olympiad qual-4 | D15 Queen's Gambit Declined Slav |
87. Filip vs G Pfeiffer |
| 1-0 | 37 | 1954 | Amsterdam Olympiad Final-A | D37 Queen's Gambit Declined |
88. N Cortlever vs G Pfeiffer |
| 1-0 | 36 | 1954 | Amsterdam Olympiad Final-A | C47 Four Knights |
89. G Pfeiffer vs Z Nilsson |
| 1-0 | 30 | 1954 | Amsterdam Olympiad Final-A | B30 Sicilian |
90. Barcza vs G Pfeiffer |
| 0-1 | 71 | 1954 | Amsterdam Olympiad Final-A | A28 English |
91. Z Milev vs G Pfeiffer |
| 0-1 | 29 | 1954 | Amsterdam Olympiad Final-A | E14 Queen's Indian |
92. G Pfeiffer vs Bronstein |
| ½-½ | 20 | 1954 | Amsterdam Olympiad Final-A | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
93. G Pfeiffer vs Gligoric |
| 0-1 | 38 | 1954 | Amsterdam Olympiad Final-A | C78 Ruy Lopez |
94. P Trifunovic vs G Pfeiffer |
| 1-0 | 36 | 1954 | FRG-YUG | A47 Queen's Indian |
95. G Pfeiffer vs P Trifunovic |
| 1-0 | 41 | 1954 | FRG-YUG | C79 Ruy Lopez, Steinitz Defense Deferred |
96. G Pfeiffer vs W Lange |
| 1-0 | 42 | 1955 | Klaus Junge Memorial | B15 Caro-Kann |
97. G Pfeiffer vs H Heinicke |
| 1-0 | 31 | 1955 | Klaus Junge Memorial | B22 Sicilian, Alapin |
98. V Castaldi vs G Pfeiffer |
| 1-0 | 67 | 1955 | Klaus Junge Memorial | A22 English |
99. W Schmidt vs G Pfeiffer |
| ½-½ | 41 | 1955 | Klaus Junge Memorial | C75 Ruy Lopez, Modern Steinitz Defense |
100. L Rellstab vs G Pfeiffer |
| 1-0 | 37 | 1955 | Klaus Junge Memorial | B11 Caro-Kann, Two Knights, 3...Bg4 |