Wolfgang Pietzsch vs Boris Spassky
Varna ol (Men) qual-A Varna BUL round 1 1962.09.16
Ruy Lopez: Closed, Smyslov Defense 0-1

Yuri Averbakh vs Boris Spassky
USSR Championship Leningrad URS 1956.??.??
King’s Indian Defense: Averbakh Variation, Main Line 1/2-1/2

Boris Spassky vs Xu Jun
Chess Olympiad Dubai UAE round 8 1986.11.23
Queen’s Gambit Declined: Tarrasch Defense, Stoltz Variation 1-0

Boris Spassky vs Ratmir Kholmov
USSR Championship Leningrad URS round 5 1964.01.14
King’s Gambit Accepted: Cunningham Defense 1-0

Anatoly Karpov vs Boris Spassky
Karpov - Spassky Candidates Semifinal Leningrad URS round 9 1974.05.03
Sicilian Defense: Scheveningen Variation, Classical Variation 1-0

Boris Spassky vs Gyozo Victor Forintos
Chigorin Memorial Sochi URS round 12 1964.09.??
Queen’s Gambit Declined: Albin Countergambit, Fianchetto Variation 1-0

Boris Spassky vs Eduard Gufeld
Plaza Wellington NZL round 9 1988.03.25
Sicilian Defense: Closed 1-0

Boris Spassky vs Mikhail Botvinnik
URS-chT Moscow URS round 6 1966.09.29
Caro-Kann Defense: Classical Variation 0-1

Boris Spassky vs Viktor Korchnoi
Korchnoi - Spassky Candidates Final 1977/78 Belgrade YUG round 2 1977.11.23
French Defense: Winawer Variation, Advance Variation 0-1

Anatoly Karpov vs Boris Spassky
Karpov - Spassky Candidates Semifinal Leningrad URS round 3 1974.04.17
King’s Indian Defense: Kazakh Variation 1-0