Oleg Neikirch vs Alexandar Tsvetkov
YUG-ch Novi Sad YUG round 1 1945.09.15
Queen’s Gambit Declined: Lasker Defense, Bernstein Variation 1/2-1/2

Oleg Neikirch vs Nikola Karaklajic
Sofia Zonal Sofia BUL round 10 1957.05.??
Nimzo-Indian Defense: Normal Variation, Bernstein Defense 1/2-1/2

Ylvi Pustina vs Oleg Neikirch
Varna Varna round 4 1960.08.10
Sicilian Defense: O’Kelly Variation 1-0

Ion Balanel vs Oleg Neikirch
Bucharest Bucharest ROU round 3 1949.11.21
Queen’s Gambit Declined: Been-Koomen Variation 1-0

Svetozar Gligoric vs Oleg Neikirch
YUG-ch Novi Sad YUG round 12 1945.09.27
Ruy Lopez: Morphy Defense, Modern Steinitz Defense 1-0

Oleg Neikirch vs Mikhail Botvinnik
Leipzig ol (Men) fin-A Leipzig GDR round 1.2 1960.10.28
Sicilian Defense: Sozin Attack, Fischer Variation 0-1

Ludek Pachman vs Oleg Neikirch
Portoroz Interzonal Portoroz SLO round 13 1958.08.27
Queen’s Gambit Declined: Semi-Tarrasch Defense 1-0