Roberto Grau vs George Alan Thomas
1st olm final London ENG round 12 1927.07.27
Semi-Slav Defense: Meran Variation 0-1

Karl Ruben vs George Alan Thomas
Prague Olympiad Prague CSR round 3 1931.07.13
King’s Indian Defense: Four Pawns Attack 0-1

George Alan Thomas vs Philip Stuart Milner-Barry
Margate Margate ENG round 5 1936.04.20
Nimzo-Indian Defense: St. Petersburg Variation 0-1

George Alan Thomas vs Salo Landau
NED-ENG The Hague NED round 1.2 1939.05.28
Sicilian Defense: Accelerated Dragon 0-1

George Alan Thomas vs Gerald Abrahams
Kent County Premier Canterbury ENG round 2 1930.04.21
Semi-Slav Defense: Bogoljubov Variation 1-0

George Alan Thomas vs Adhemar Da Silva Rocha
Buenos Aires Olympiad prel-A Buenos Aires ARG round 7 1939.08.30
Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation 1-0

George Alan Thomas vs Matafia Scheinberg
Hamburg Olympiad Hamburg GER round 13 1930.07.23
French Defense: Classical Variation 0-1

Fred Dewhirst Yates vs George Alan Thomas
Scarborough Scarborough ENG round 10 1930.07.03
Ruy Lopez: Morphy Defense, Modern Steinitz Defense, Fianchetto Variation 1/2-1/2

Harry Golombek vs George Alan Thomas
BCF-ch 26th Hastings round 10 1933.08.10
Sicilian Defense: Richter-Rauzer Variation 1/2-1/2

George Alan Thomas vs Fred Dewhirst Yates
London London ENG round 11 1927.10.24
Indian Defense: Przepiorka Variation 1-0