M Yudkovsky vs Pavel Ostrovsky
Match Moscow-Leningrad Moscow URS 1926.??.??
Amazon Attack: Siberian Attack 1-0

Abram Yakovlevich Model vs Pavel Ostrovsky
Ch Leningrad Leningrad URS 1926.06.??
Colle System: Rhamphorhynchus Variation 1-0

Georgy Lisitsin vs Pavel Ostrovsky
Ch Trade Union Leningrad URS 1928.??.??
English Opening: Symmetrical Variation, Double Fianchetto 0-1

Peter Arsenievich Romanovsky vs Pavel Ostrovsky
Ch Trade Union Leningrad URS 1928.??.??
Sicilian Defense: Closed, Anti-Sveshnikov Variation, Kharlov-Kramnik Line 0-1

Pavel Ostrovsky vs Ilya Leontievich Rabinovich
Ch Leningrad Leningrad URS 1928.??.??
Bird Opening 0-1