Karel Opočenský [SEP] country of citizenship
won in Nice. In 1938, he tied for first with Hermann in Prague (CSR-ch).
Karel Opočenský played for Czechoslovakia four times in the Chess Olympiads. 
- In 1931, he played at fourth board in 4th Chess Olympiad in Prague (+7 –2 =4).
- In 1933, he played at fourth board in 5th Chess Olympiad in Folkestone (+10 –0 =3).
- In 1935, he played at second board in 6th Chess Olympiad in Warsaw (+5
Karel Opočenský
Karel Opočenský (7 February 1892, Most, Bohemia – 16 November 1975, Prague) was a Czech chess master.
Biography.
He was four-time Czech Champion (1927, 1928, 1938, and 1944). In 1919, he took 2nd, behind František Schubert, in Prague (Czechoslovak Chess Championship). In 1925, he tied for 3rd–4th in Paris (Alexander Alekhine won). In 1927, he won in Česke Budějovice (CSR-ch). In 1928, he