Career
In 1940, Barcza took third place, behind Max Euwe and Milan Vidmar, at Maróczy Jubiläum in Budapest. In 1952, he took fifteenth place in Saltsjöbaden (interzonal). In 1961, he took third place in Vienna.
In 1962, he tied for third/sixth place in Moscow.
In 1962, he tied for fourteenth/fifteenth place in Stockholm (interzonal). He was awarded the Grandmaster title in 1954.
Barcza is remembered for the opening 1.Nf3 d5 2.g3, known as the Barcza System. Harry Golombek once said of Barcza, " is a most versatile player in the openings.
He plays g2–g3 sometimes on the first, sometimes on the second, sometimes on the third, and sometimes not until the fourth move."
Gedeon Barcza vs Harry Golombek, Sweden izt (18) 1952, Queen"s Indian Defense: Spassky System (E14), 1–0
Gedeon Barcza vs Lodewijk Prins, Sweden izt (14) 1952, Zukertort Opening: Queen Pawn Defense (A06), ½–½
Gedeon Barcza vs Robert James Fischer, Zurich 1959, Formation: King"s Indian Attack (A07), ½–½.