David Janowski vs Oscar Chajes
Chajes - Janowski New York, NY USA round 5 1918.03.25
Döry Defense 0-1

Morris A Schapiro vs Oscar Chajes
New York m New York, NY USA round 4 1922.12.27
Blumenfeld Countergambit 0-1

Oscar Chajes vs David Janowski
Rice Memorial New York, NY USA round 5 1916.01.23
Döry Defense 1/2-1/2

Hugo Suechting vs Oscar Chajes
Karlsbad Karlsbad (Karlovy Vary) AUH round 2 1911.08.22
Sicilian Defense: Dragon Variation, Classical Variation 1-0

Oscar Chajes vs William Widmeyer
10th Western Championship Excelsior, MN USA round 15 1909.08.24
Italian Game: Evans Gambit 1-0

Frank James Marshall vs Oscar Chajes
New York Masters New York, NY USA round 3 1915.04.22
Queen’s Gambit Declined: Barmen Variation 1-0

James Frost Cross vs Oscar Chajes
10th Western Championship Excelsior, MN USA round 8 1909.08.19
Russian Game 0-1

Oscar Chajes vs David Janowski
Chajes - Janowski New York, NY USA round 18 1918.04.25
Four Knights Game: Bardeleben Variation 1/2-1/2

Oscar Chajes vs Jose Raul Capablanca
American National New York, NY USA round 12 1913.02.04
Döry Defense 1/2-1/2

Oscar Chajes vs John Homer Stapfer
American National New York, NY USA round 4 1913.01.24
Philidor Defense 1-0