Gerhard Pfeiffer vs Milan Vidmar
Bled Bled YUG round 3 1950.09.??
Alekhine Defense: Modern Variation, Alekhine Variation 1-0

Yosef Dobkin vs Gerhard Pfeiffer
Moscow ol (Men) fin-A Moscow URS round 1 1956.09.10
Four Knights Game: Bardeleben Variation 0-1

Gerhard Pfeiffer vs Jalo Aatos Fred
Moscow ol (Men) qual-C Moscow URS round 2 1956.09.02
Ruy Lopez: Morphy Defense, Anderssen Variation 1-0

Gerhard Pfeiffer vs Efim Geller
FRG-URS Hamburg FRG round 2 1960.07.28
King’s Indian Defense: Steiner Attack 1/2-1/2

Pierre Kremer vs Gerhard Pfeiffer
Amsterdam ol (Men) qual-D Amsterdam NED round 1 1954.09.04
Indian Defense: Schnepper Gambit 0-1

Gerhard Pfeiffer vs Batlouni
Leipzig ol (Men) qual-D Leipzig GDR round 7 1960.10.23
Queen’s Gambit Declined: Alapin Variation 1-0