Milan Vidmar vs Borislav Kostic
Karlsbad Karlsbad (Karlovy Vary) AUH round 25 1911.09.24
Slav Defense: Exchange Variation 1/2-1/2

Borislav Kostic vs Frank James Marshall
New York New York, NY USA round 5 1918.10.27
Tarrasch Defense: Prague Variation 1/2-1/2

Erich Cohn vs Borislav Kostic
Karlsbad Karlsbad (Karlovy Vary) AUH round 23 1911.09.21
French Defense: MacCutcheon Variation 0-1

Borislav Kostic vs Savielly Tartakower
Gothenburg Gothenburg SWE round 12 1920.08.18
Caro-Kann Defense: Classical Variation 1/2-1/2

Adrian Garcia Conde vs Borislav Kostic
Hastings Hastings ENG round 3 1919.08.13
Slav Defense: Quiet Variation, Amsterdam Variation 0-1

Gunnar Friedemann vs Borislav Kostic
7th olm final Stockholm SWE round 12 1937.08.07
Queen’s Indian Defense: Buerger Variation 1-0

Borislav Kostic vs Alexander Braunstein
2nd Balkaniad (men) Sofia BUL round 1.6 1947.11.??
King’s Indian Attack 1/2-1/2

Borislav Kostic vs George Alan Thomas
Nice Nice FRA round 6 1930.02.??
English Opening: Symmetrical Variation, Mecking Variation 0-1

Borislav Kostic vs August Konrad Haida
Trencianske Teplice Trencianske Teplice round 7 1926.??.??
English Opening: Caro-Kann Defensive System 1-0

Borislav Kostic vs Salomon Flohr
Bled Bled YUG round 22 1931.09.21
Caro-Kann Defense: Panov Attack 1/2-1/2