Eduard Gufeld vs Igor V Platonov USSR Championship Moscow URS round 17 1969.10.01 Sicilian Defense: Sozin Attack, Flank Variation 0-1

Igor V Platonov vs Mikhail Tal
USSR Championship Moscow URS round 10 1969.09.19
Sicilian Defense: Najdorf Variation 1-0

Igor Arkadievich Zaitsev vs Igor V Platonov
USSR Championship Moscow URS round 15 1969.09.27
Sicilian Defense: Taimanov Variation, Bastrikov Variation 0-1

Igor V Platonov vs Vladimir Savon
USSR URS 1968.??.??
Czech Defense 1-0

Evgeni Vasiukov vs Igor V Platonov
USSR Championship Moscow URS round 3 1969.09.08
English Opening: Anglo-Indian Defense, Grünfeld Formation 1/2-1/2

Igor V Platonov vs Yuri Balashov
USSR Championship Moscow URS round 4 1969.09.10
Queen’s Gambit Declined: Barmen Variation 0-1

Igor V Platonov vs Lev Polugaevsky
USSR Championship Moscow URS round 14 1969.09.26
Sicilian Defense: Richter-Rauzer Variation, Modern Variation 0-1

Igor V Platonov vs Viktor Korchnoi
Leningrad Leningrad 1969.??.??
French Defense: Tarrasch Variation, Botvinnik Variation 0-1

Igor V Platonov vs Leonid Alexandrovich Shamkovich
USSR Championship Leningrad URS round 14 1971.10.05
King’s Indian Defense: Sämisch Variation 0-1

Igor V Platonov vs Viktor Kupreichik
USSR Championship Moscow URS round 2 1969.09.07
Alekhine Defense 1-0