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?
Roll over to see the solution: 1... Bf5+ 2. Kc3 Qe3#
FEN: r1b3k1/ppp3pp/8/3pB3/1P1P4/3K1P2/PP1n1q1P/R2Q3R b - - 0 1
About the players
Alexander Davidovich Flamberg (1880-1926). Born in Warsaw, he spent his early years in England, where he learned chess. After his return to Warsaw he became one of the strongest Polish chess players. 
Oldrich 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.
Bc8-f5+
2. Kd3-c3 Qf2-e3#
Very Simple. Took me 13s, first try.