IFSB
On 2 December 1928, a new federation was formed in Berlin. To distinguish it from its predecessor, it was named the IFSB (Internationaler Fernschachbund). The founders were: R.Dührssen (President), J.Keemink (vice-president), H. von Massow (Secretary), K.Laue (Teasurer) and L.Probst (Managing Editor).
Freienhagen (and others from ICSB) continue in parallel with the IFSB. Freienhagen died in 1933.
After this, correspondence chess players started joining IFSB. At that time, there was only individual membership and only later did it become possible for countries to be members.
IFSB Champions: Eduard Dyckhoff and Eugen Busch (Germany), 1929; E.Dyckhoff, 1930; A.H.Priwonitz (Germany), 1931; Hans Müller (Austria), 1932; Marcel Duchamp (France), 1933; Hilding Persson (Sweden), 1934; Paul Keres (Estonia), 1935; Milan Vidmar (Yugoslavia), 1936; Miklos Szigeti (Hungary), 1937 and Edmund Adam (Germany), 1938.
IFSB European Olympiad: the Hungarian Team (Balogh, Nagy, Szigeti, Barcza, Boros and Szucz) won the Final (1937–1939).
When the Second World War began, the IFSB Board decided to discontinue its activity.
The top officials during the history of the IFSB here:
1928–1934:
R.Dührssen (President) – J.Keemink (vice-president)
1934–1935:
K.Schjorring (President) – I. Abonyi (vice-president)
1935–1939:
I.Abonyi (President) – H.W. von Massow (General Secretary)