Fryderyka Chopina) was held from 21 February to 13 March 1937 in Warsaw.
80 pianists from 22 countries took part in the competition, including two participants from Japan.
Contestants could choose between pianos manufactured by Bechstein, Bösendorfer, Pleyel and Steinway.
Out of 80 pianists in the elimination stage, 21 were admitted to the final, where they performed two consecutive movements of one of Chopin's two piano concertos with the Warsaw Philharmonic.
Fearing that the frenzied crowd would cause damage to the Philharmonic, industrialist Stanisław Meyer sponsored a special award for Hara.