Mikhail Tal vs Igor Arkadievich Zaitsev
USSR Championship Moscow URS round 3 1969.09.08
Ruy Lopez: Old Steinitz Defense, Semi-Duras Variation 1/2-1/2

Igor Arkadievich Zaitsev vs Mikhail Steinberg
USSR Championship Kharkov URS 1967.12.??
French Defense: Advance Variation 1/2-1/2

Lev Polugaevsky vs Igor Arkadievich Zaitsev
USSR Championship Moscow URS round 7 1969.09.15
Modern Defense: Averbakh System 1/2-1/2

Igor Arkadievich Zaitsev vs Evgeni Vasiukov
Botvinnik Memorial (Seniors) Suzdal RUS round 6 2011.08.16
Caro-Kann Defense 0-1

Leonid Stein vs Igor Arkadievich Zaitsev
USSR Championship Moscow URS round 1 1969.09.06
English Opening: Symmetrical Variation, Four Knights Variation 1/2-1/2

Igor Arkadievich Zaitsev vs Evgeni Vasiukov
Furman Memorial St. Petersburg RUS round 9 1995.11.??
Sicilian Defense: Canal Attack, Haag Gambit 1/2-1/2

Mikhail Tal vs Igor Arkadievich Zaitsev
USSR Championship 1968/69 Alma-Ata (Almaty) URS round 1 1968.12.30
Ruy Lopez: Closed, Smyslov Defense 1-0

Igor Arkadievich Zaitsev vs NN
Simul round - 1970.??.??
Caro-Kann Defense: Exchange Variation 1-0