Nikolai Krogius vs Tigran Vartanovich Petrosian
USSR Championship Riga URS round 13 1958.02.??
Sicilian Defense: Scheveningen Variation, Keres Attack 1/2-1/2

Nikolai Krogius vs Raymond Keene
Hastings 1970/71 Hastings ENG round 2 1970.12.30
King’s Indian Defense: Fianchetto Variation, Classical Fianchetto 1-0

Nikolai Krogius vs Mihai Suba
Chigorin Memorial Sochi URS 1977.09.??
Old Indian Defense 1-0

Efim Geller vs Nikolai Krogius
USSR Championship Tbilisi URS round 1 1959.01.10
Queen’s Gambit Declined: Semi-Tarrasch Defense, Main Line 1/2-1/2

Nikolai Krogius vs Anatoly Karpov
USSR Championship Leningrad URS round 15 1971.10.06
Queen’s Indian Defense: Anti-Queen’s Indian System 1/2-1/2

Nikolai Krogius vs Wolfgang Unzicker
Chigorin Memorial Sochi URS round 4 1965.08.??
Nimzo-Indian Defense: Normal Variation, Gligoric System 1/2-1/2

Nikolai Krogius vs Bukhuti Gurgenidze
USSR Championship Leningrad URS round 1 1960.01.26
Indian Defense: Przepiorka Variation 1/2-1/2

Tigran Vartanovich Petrosian vs Nikolai Krogius
USSR Championship Tbilisi URS round 9 1959.01.24
Grünfeld Defense: Three Knights Variation, Petrosian System 1-0

Mark Taimanov vs Nikolai Krogius
USSR Championship Riga URS round 18 1958.02.??
Modern Defense: Averbakh System 0-1

Nikolai Krogius vs Leonid Stein
UKR-RSFSR Kiev URS 1960.06.??
King’s Indian Defense: Exchange Variation 0-1