Sándor Tyroler was born in Garamszentkereszt (Slovak: Hronský Svätý Kríž, German: Heiligenkreuz an der Gran) in Hungary (now Slovakia) into a Hungarian Jewish family. After World War I, following the Treaty of Trianon (1920), he became a citizen of Romania.
In 1912, he took 5th in Temesvár (Austria-Hungary), now Timişoara, Romania. In 1925, he won in Bucharest. In 1926, he won the first Romanian Chess Championship in Sibiu. In 1927, he won in Bucharest (ROM-ch). In 1928, he took 15th in The Hague (Amateur World Championship, Max Euwe won). In 1929, he won in Iaşi (ROM-ch). In 1929, he took 6th in Bucharest. In 1930, he took 3rd in Cernăuţi (ROM-ch).
Alexandru Tyroler represented Romania in the 2nd unofficial Chess Olympiad at Budapest 1926, where he won team bronze medal. He also played at 3rd board (+4 –7 =4) in the 3rd Chess Olympiad at Hamburg 1930.
- "Firsts in chess - by Bill Wall (Feb 7, 2005)". Archived from the original on 2009-10-25. Cite uses deprecated parameter
- OlimpBase :: 2nd Chess Olympiad The Hague 1928: Amateur World Championship
- OlimpBase :: 3rd Chess Olympiad, Hamburg 1930, Romania