Boris Spassky vs Efim Samoilovich Stoliar
USSR Championship Moscow URS round 21 1957.02.21
Nimzo-Indian Defense: Normal Line 1-0

Efim Samoilovich Stoliar vs Anatolij Bannik
USSR Championship Moscow URS round 16 1957.02.14
English Opening: King’s English Variation, Botvinnik System 1/2-1/2