Sergey N Yuferov vs Alexander Ryskin
Sokolsky Memorial Minsk URS 1982.??.??
King’s Indian Defense: Exchange Variation 1-0

Vladas Mikenas vs Sergey N Yuferov
Baltic Republics and Belarus Championship Gomel URS 1973.08.??
King’s Indian Defense: Four Pawns Attack, Fluid Attack 0-1

Igor V Glek vs Sergey N Yuferov
Moscow-ch Moscow URS 1989.??.??
Nimzo-Indian Defense: Classical Variation, Belyavsky Gambit 1-0

Evgenij Veniaminovich Kalegin vs Sergey N Yuferov
Goldberg Memorial Moscow URS round 11 1990.??.??
Sicilian Defense: Canal Attack, Dorfman Gambit 1-0