 In correspondence chess, he won the first German Championship (1950–1952), the first Eduard Dyckhoff Memorial (1954–1956), and came second with Lucius Endzelins, behind Viacheslav Ragozin, in the second World Correspondence Championship (1956–1959).Schmid was awarded the International Master title in 1951, and the Grandmaster title in 1959.Schmid was awarded the International Arbiter title in 1975.