Oldrich Duras

Oldrich DurasOldrich Duras (1882-1957) was a Czech chess master who was awarded the title of International Grandmaster for his activity by FIDE in 1950. Known as a chess composer, the Duras Gambit is well known in chess studies.

diagram of Alexander Flamberg vs. Oldrich Duras chess puzzle

Alexander Flamberg vs. Oldrich Duras

This is the end game between Alexander Flamberg and Oldrich Duras from their meeting at Opatija in 1912. Duras, with the black pieces, obtains a victory against Flamberg just in two. Can you figure out his strategy?