Vladimir Antoshin vs Yuri M Kotkov
Chigorin Memorial Sochi URS round 2 1965.08.??
Grünfeld Defense: Russian Variation 1/2-1/2

Rashid Gibiatovich Nezhmetdinov vs Yuri M Kotkov
17th RSFSR Ch Krasnodar, USSR 1957.05.??
Ruy Lopez: Berlin Defense, Berlin Wall 1-0

Yuri M Kotkov vs Rashid Gibiatovich Nezhmetdinov
Russian Spartakiade Gorki URS 1963.07.??
Ruy Lopez: Morphy Defense, Modern Steinitz Defense 0-1

Tigran Vartanovich Petrosian vs Yuri M Kotkov
URS-ch U18 Leningrad URS 1946.??.??
Blumenfeld Countergambit 1-0