James Mason vs Johann Nepomuk Berger
Berlin Berlin GER round 4 1881.09.01
Bird Opening: Dutch Variation 1/2-1/2

John Washington Baird vs James Mason
6th American Chess Congress New York, NY USA round 10 1889.04.04
Ruy Lopez: Berlin Defense 0-1

James Mason vs Isidor Gunsberg
Nuremberg Nuremberg GER round 3 1883.07.17
Australian Defense 1-0

James Mason vs Joseph Henry Blackburne
Monte Carlo Monte Carlo MNC round 1 1901.02.04
Sicilian Defense: Taimanov Variation, American Attack 0-1

James Mason vs Louis van Vliet
London ‘‘Black and White’’ London ENG round 3 1893.03.01
English Opening: Agincourt Defense 1/2-1/2

James Mason vs Mikhail Chigorin
Berlin Berlin GER round 5 1881.09.02
Amar Gambit 1-0

Dionisio M Martinez vs James Mason
Third Match Philadelphia, PA USA 1875.03.??
Russian Game 1-0

James Mason vs Henry William Birkmyre Gifford
Paris Paris FRA round 19 1878.07.18
Ruy Lopez: Morphy Defense, Anderssen Variation 1-0

James Mason vs Beniamino Vergani
Hastings Hastings ENG round 13 1895.08.21
Blackburne Shilling Gambit 1-0

James Mason vs Karl August Walbrodt
DSB-07.Kongress Dresden GER round 5 1892.07.20
Bird Opening 1/2-1/2